in height, a nonindicating valve shall be permitted to be installed closer than 40 ft. but at least as far from the building as the height of the wall facing the backflow preventer. Records to verify testing and maintenance shall be available at the site of the installation. This is not required information, but can help ensure that the reported information is recorded accurately on the correct account in our system. Backflow Preventer Repairs Norfolk, Chesapeake VA ... 312.10 Installation, inspection and testing of backflow prevention assemblies, barometric loops and air gaps. Why Don't We Follow the Plumbing Code? ‹ Backflow ... Installation, inspection and testing shall comply with Sections 312.10.1 through 312.10.3. PDF Installation of Backflow Prevention Device Installing a Reduced Pressure Backflow Assembly (RPBA) ASSE-1013 - Reduced Pressure Zone Backflow Preventer (RPZ) ASSE-1024 - Dual Check Valve Assembly Backflow Preventer (DCVA) Backflow Prevention Device - Unapproved. Supports must have a proper footing (four (4) inches of concrete) for supports to rest upon. keep the current valves and install the backflow preventer between main line and the irrigation line. Assemblies will be adopted into the program thereafter. PDF Backflow Preventers and Protection of Water Supply: 2015 IPC Thank you very much for your advise in advance. backflow assembly protects If not using a Missouri American Water test form, an account or premise number can be included on the test reports. Nobody expects more from us than we do. All backflow prevention assemblies remain the property of the customer. Backflow Preventer Requirements for Fire Protection Systems - Page 2 of 3 TRT/DOC/00399 2012 International Plumbing Code Section 608.16.4 requires that: 608.16.4 Connections to automatic fire sprinkler systems and standpipe systems. Its sole job is to prevent drinking water from being contaminated due to backflow. Backflow Prevention Devices - DEP We handle back-flow and cross-connection services for many of Vancouver's most successful companies and property owners including restaurants, construction companies, property management firms . Also, it will create the risk of injuries to the tester. A backflow preventer must be installed lower than five feet from the ground. Reduced Pressure Principle Backflow Preventers and Reduced Pressure Principle Fire Protection Backflow Preventers 009 , LF009 , SS009 , 825Y , LF825Y , LF880V , 919 , LF919 , 957 , 994 , LF909 Small , LF909 Large call 669-600-7322. the testing side of the device shall have a minimum 24" of clearance from obstruction (non-trimmable landscaping, buildings, utilities, etc.) The basic means of preventing backflow is an air gap, which either eliminates a cross-connection or provides a barrier to backflow. Manual M-14 class of sprinkler service; Description of the proposed installation of the backflow preventer - indicate the location of backflow preventer, drainage, lighting, heating, access to unit, square footage of the floor Backflow assemblies must be tested by a certified backflow assembly tester to make sure they work properly. This device typically extends above ground, although many were installed in underground vaults. The unit should be placed above the floor and away from the wall, at a distance great enough to allow clearance for repair work. Under these programs, some water system customers (property owners) may have to install backflow prevention assemblies. DO NOT OVERTIGHTEN. See below for useful CCC information. mounted on the inlet side of the backflow preventer. Submitting the Plan and Device Installation. An air gap is easily circumvented however is not always the most appropriate type of BFP to use. Submitting the Plan and Device Installation. 99. An icon used to represent a menu that can be toggled by interacting with this icon. Cast Bronze FNPT Backflow Preventer (12UFX12F-700XL) at Ferguson. Therefore, it is important that the temperature/pressure relief valve . Check the state and local codes to ensure that the backflow pre­ venter is installed in compliance, such as the proper height above the ground. It looks like the cost is comparable between replacing 8 valves vs. installing 1 backflow preventer. Installation, Maintenance, & Repair RP/IS-957/957RPDA Series 957, 957RPDA, LF957RPDA Reduced Pressure Zone Assemblies Reduced Pressure Detector Assemblies Sizes: 21⁄2" - 10" (65 - 250mm) NOTICE For Australia and New Zealand: Pipeline strainers should be installed between the upstream shutoff valve and the inlet of the backflow preventer. Ensure annual testing of all backflow prevention assemblies. Excluding removal for winterization. To make hose receiver installation easier, complete these steps to cut screw threads in the mounting holes: S Take a mounting screw and drive it 2 or 3 turns into one hole. ® Since a cross-connection could exist, within the single-walled heat exchanger, the domestic water line feeding through the heat exchanger should be protected by appropriate backflow pro- tection, such as a reduced pressure principle backflow prevention assembly. Note that installation of a backflow prevention assembly will prevent release of on-site pressure to the utility water mains. $292. Enclosures may need to be installed around a backflow preventer to assure the backflow preventer's temperature parameters are maintained. The duty to install protective devices and inspect was set out by the Indiana Appellate Court in the Lincoln Trust cross connection case of 1929: Pennsylvania Railroad Company vs. Lincoln Trust ® A reduced pressure zone (RPZ) backflow preventer must generally be installed 1 foot above the 100 year flood plain elevation. For Customers with Irrigation Meters prevention only. We focus on safety and control, so you can keep yours on your tasks at hand. Solve all of your plumbing problems. backflow preventers lead the industry in ease of install, maintenance costs, and reliability under all sorts of pressure. B. A backflow preventer is a means or mechanism to prevent backflow. Most backflow preventers are used to keep unsafe water from reversing flow and entering the clean water supply. Regarding minimum install height, note that like others, the minimum installation height is likely to differ from location to location. After the initial installation and testing of a new backflow preventer, the customer is required to have the backflow preventer tested on an annual basis to help ensure it is working to keep both the customer's water and the City of Seattle's water safe from contamination. multiple backflow devices shall be separated by a minimum of 18" and be of equal height. Also, if the backflow prevention device is located inside a dwelling, it's a good idea to consult a local inspector regarding Americans with Disabilities accessibility standards. Backflow preventers for beverage dispensing equipment are engineered for installation in carbonated post-mix dispensing systems. • The double check valve and reduced pressure assemblies shall be installed at least 12 inches above the finished grade, flood level, or floor. We also supply 3M Thinsulate outdoor faucet cover. • Can be used where it is under continuous pressure from the water supply (valving permitted downstream). 605.3.1 Dual check-valve-type backflow preventer. • Provide protection against backsiphonage only. P2902.6 Location of backflow preventers. The mounting height of the backflow prevention assembly shall be a minimum of 12 inches and a maximum of 24 inches above both the street curb elevation and the grade elevation. Nobody expects more from us than we do. 312.10.1 Inspections. Additionally, thermal expansion may result from the installation of a backflow assembly. The term "backflow prevention device-unapproved" shall mean an assembly that does not meet the requirements of the current ASSE standard and is therefore The test cock is on the inlet side of the shutoff valve. BPA must be installed per WaterOne requirements for Cross Connection Control. Schedule annual testing with a certified tester and submit a completed Backflow Assembly Test Report to the county prior to the end of your assigned testing . Backflow Preventers The risks to drinking water quality from backflow contamination incidents pose a constant threat—whether they're nuisance, non-health hazards, or serious public health events. Get it as soon as Tue, Nov 23. (Ord. c) Backflow. The water user/installer is responsible for ensuring system operating requirements can be met. Watts 3/4" 009M3 Backflow Preventer Reduced Pressure Zone Assembly RPZ 3/4 009-QT 0063030 63030. 1 6606 Tussing Road - P.O. Backflow prevention assembly installation and initial performance testing is the responsibility of the assembly owner. Types of Backflow Prevention Devices: A mechanical backflow prevention device allows water to flow in only one direction. The installation design, to include the type and placement of backflow prevention devices will be approved during the permit review process. 603 BACKFLOW PREVENTER INSTALLATION AND PLUMBING MOUNTING SCREW ATTACH HOSE RECEIVER TO BOWL (STEPS 2 thru 4). The recurring theme of "check with local officials" applies here again. These devices are intended for use under continuous or intermittent pressure conditions. If you wish to install your own, you must make sure that your mechanism is compatible with the water source you will be using, and that you feel . panels shall be of the same height as the enclosure and shall be completely removable. Backflow prevention assembly installation and initial performance testing is the responsibility of the assembly owner. • The assembly must be accessible for field testing and maintenance. A backflow preventer is a device that allows water to flow in one direction but never in the opposite direction. A backflow prevention assembly can be installed as a service protection assembly or an internal protection assembly. An inventory of any existing containment devices to include the make, model, size and serial number of the device. A. For backflow to occur, there must be a physical connection, or cross-connection, between the water supply and any delivered water or contaminant. Measure Before Purchase - the outer sizes of cover protector measures about of 16 x 20x 2.3 inches (width/ height/ thickness). Box 4009 Reynoldsburg, Ohio 43068-9009 (614) 644-3153 FAX (614) 995-1146 Backflow Prevention & Cross-Connection Control Manual For the Education of Ohio Certified Backflow Prevention Since 1990, the Florida Building Code has required that residential irrigation systems have a backflow preventer. 13.14.100 Application to install a backflow prevention assembly. These devices, which are commonly installed immediately downstream of water meters by water suppliers, are not approved backflow prevention devices 1 x 3/4 in. B. All backflow prevention assemblies remain the property of the customer. Most backflow preventers are mechanical devices which create a physical barrier to accomplish this. Backflow preventer device installed at more than 5 feet: The device must be installed lower than 5 feet from the ground, in order for testing, maintenance and repair to be done in optimal and safe conditions for the verifier. 90. • All other inquiries should be directed to our Customer Service Center at 1-800-565-7292, M-F, 7 a.m. - 7 p.m. For emergencies, we're available 24/7. As an example, the plumbing code is clear concerning the installation of backflow prevention assemblies in pits and vaults, the 2018 Uniform Plumbing Code states in Section 603.4.9 Prohibited Locations: Backflow prevention devices with atmospheric vents or ports shall not be installed in pits, underground, or submerged locations. A backflow preventer is like a one-way gate for water. EXPANSION TANKS AND CHECK VALVES An expansion tank is a device that www.pennsylvaniaamwater.com Prevent back˜ ow and billing inaccuracies Under WAC 246-290, backflow . A backflow preventer may be required to be installed outside of a building where the weather environment can affect the backflow preventer. (7) Control valves in a fire-rated stair enclosure accessible from the exterior. Train employees on cross-connection control and backflow prevention. Backflow prevention assemblies two and one half (2-1/2) inches and larger must be supported to allow for the weight of the backflow prevention assembly. Backflow Prevention Services Schedule A Backflow Testing Appointment For back-flow testing and installation services in Vancouver and throughout the GVRD nobody has you covered like Mainland Plumbing. • This assembly has a critical level of installation of 6 inches (152 mm) above the flood level rim. Know the efficiency of different backflow preventer types along with the overview of their specialties & functionalities to help you in the process of irrigation. The June 15, 2020 due date in most of our service areas will currently remain in place; however, the automatic courtesy extension provided to our customers will be evaluated . Find it at Grainger.com®. To install a backflow prevention device, you must hire a Professional Engineer (PE) or Registered Architect (RA) to prepare a backflow prevention plan for your property. None of the backflow preventers mentioned in this article should be submerged, including those that can be installed below-grade. The backflow prevention device must be installed in accordance with the laboratory approval standards or if the approval does not include specific installation information, the manufacturer's current published recommendations. The basic means of preventing backflow is an air gap, which either eliminates a cross-connection or provides a barrier to backflow. (6) Control valves installed in a fire-rated room accessible from the exterior. Recommend to reserve 2 inch or above. This will allow the backflow assembly to be installed horizontally. Cal Water wants to remind our testers that these types of protective measures for COVID-19 take precedence over our annual backflow prevention assembly testing schedule. P2902.6.2 Protection of backflow preventers. With over 1.6M products and 24/7 customer service we have supplies and solutions for every industry. How to use: Just slip over the pouch on the backflow system, fix it by Velcro and tie-down with nylon ties or a mini-lock for increased security. Backflow Prevention Assembly (BPA) installed in WaterOne service area must be on the "List of Approved Backflow Prevention Assemblies," which is published by the Foundation for Cross-Connection Control and Hydraulic Research from the University of Southern California. The 909/LF909 should always be installed in an accessible loca-tion to facilitate testing and servicing. 7. an approved backflow prevention assembly on a one- or two-family dwelling under the jurisdiction of the Oregon Plumbing Specialty Code and there is no actual or potential cross connection, the water supplier shall: (A) Install the approved backflow prevention assembly at the POD; (B) Notify the premises owner and water user in writing of thermal 1/2 in. Call for more information about isolation backflow assemblies. Complete plan reviews for new connections to LACWD's water systems. CSA B64 10-11 requires the minimum clearances: Centerline Height above Floor: Between 750mm (30") to 1500mm (60") Above the Device: 300mm (12") In Front of Device: 750mm (30") Behind the Device: 20mm (7/8") Approved Backflow Prevention Assemblies List. FREE Shipping by Amazon. Cross Connection Control and Backflow Prevention Manual 6 . Plumbing codes mandate that potable water supplies be protected against backflow at all cross-connections. 5) installation and operation must comply with standards set forth by a. w. and all federal, state, and local laws, rules, Outdoor enclosures for backflow prevention devices shall comply with ASSE 1060. or replace these valves with pipe extension to raise the height. Sewage Backflow Preventer Installation; October 19, 2021. A service protection assembly is installed at the point of service to a water user; this type of assembly is installed to protect the distribution system from a . ® Fit up to 14" wide backflow valves system .Remember to have measured prior to purchase. The 009 and LF009 should always be installed in an accessible location to facilitate testing and servicing (See page 2). Installation Criteria. side of the backflow preventer. S Remove the screw. . Page 2 of 6 Pressures - existing and after the installation of the backflow preventer; Description of the fire fighting system - indicate the A.W.W.A. Commission Standards for Fire Protection Systems." 1468 § 3, 1996) 13.09.080 Approved backflow prevention assembly required. Backflow Prevention Device Installation & Testing Procedure. 2-1/2 in. These numbers can be found on test notices mailed to the ® nos. Annual inspections shall be made of all backflow prevention assemblies, barometric loops and air . A backflow preventer is designed for use with irrigation systems and water pipes, preventing water from flowing back up the pipe as you might guess. 2. Backsiphonage is when water moves in the direction opposite its regular flow. Check the state and local codes to insure that the backflow preventer is installed in compli-ance, such as the proper height above the ground. Backflow prevention devices; Installation requirements; Testing; Backflow is the unplanned reversal of flow of water (or water and contaminants) into the water supply system. Next install unions on both sides of the backflow assembly (close-end-nipples and male adapters may be needed depending on the type of unions that are used.) 4.3 out of 5 stars. P2902.6.1 Outdoor enclosures for backflow prevention devices. (B) Backflow preventers which provide the in-premises backflow protection meet the definition of approved backflow preventers as described in WAC 246-290-010; (C) The approved backflow preventers are installed, inspected, tested (if applicable), maintained, and repaired in accordance with subsections (6) and (7) of this section; 1986 § 1(B), 2014; Ord. ASSE 1022 covers a backflow prevention device designed to protect the potable water supply serving beverage dispensing equipment. Obtain a permit for the installation, replacement, removal, or relocation of your backflow prevention assemblies. Resources. IDEM INDIANA DEPARTMENT OF ENVIRONMENTAL MANAGEMENT . Thoroughly flush supply lines before installing the backflow assembly to prevent debris from fouling the check valves. Backflow allowed around the backflow preventer, but must not interfere with the required testing, and/or repair. When a backflow preventer is installed at a lower height, the inspector can easily examine the backflow preventer and . Notice: Recommended to measure pipe before purchasing to make sure that this isolated pouch is suitable for your backflow system, and to reserve 1-2 inch for extra space on the height and/or width. Backflow Prevention Device Installation & Testing Procedure. VALVE ASSEMBLY BACKFLOW PREVENTERS Where it is impractical to install the backflow preventer above ground, the installation may be made in an easily accessible location inside a building. Current annual test reports must also be submitted. Permits are available from city/county building departments. The very first step to take is to determine which code is the correct one to comply with. Looking for Backflow Preventer, 2" Size, MNPT, 175 psi? Assemblies will be adopted into the program thereafter. The state requires that homeowners have their backflow preventers tested every two years by a certified backflow tester, and that water utilities submit annual reports on the compliance status of their customers. For more information, please contact Marcos Ferreccio at (626) 300-3351 or email at Backflow@dpw.lacounty.gov . Nobody expects more from us than we do. Access shall be provided to backflow preventers as specified by the manufac-turer's installation instructions. The installation of a backflow assembly may alter system operating pressure, flow and/or influence other hydraulic functions. Backflow Preventer definition: A device that allows water to go through it in one direction, but prevents it from going backwards in the opposite direction. backflow prevention assemblies shall be tested and approved by a Cross-Connection Control Device Inspector (CCCDI) before initial operation, and at least annually after initial inspection. As an example, the plumbing code is clear concerning the installation of backflow prevention assemblies in pits and vaults, the 2018 Uniform Plumbing Code states in Section 603.4.9 Prohibited Locations: Backflow prevention devices with atmospheric vents or ports shall not be installed in pits, underground, or submerged locations. Excluding removal for winterization. (b) If conditions that present a health hazard exist, one of the following methods must be used to . Dual check-valve backflow preventers installed on the water supply system shall comply with ASSE 1024 or CSA B64.6. Backflow prevention is also required by the Uniform Plumbing Code (UPC). The PE or RA will send the plan (s) to DEP for approval. p. jochim d-5-652 test cocks u.] If its height is more than 5 feet, it will create issues in testing, maintenance, and repair. (B) Backflow preventers which provide the in-premises backflow protection meet the definition of approved backflow preventers as described in WAC 246-290-010; (C) The approved backflow preventers are installed, inspected, tested (if applicable), maintained, and repaired in accordance with subsections (6) and (7) of this section; Installation of Backflow Prevention Device BUILDING SERVICES Clearances. The PE or RA will send the plan (s) to DEP for approval. $292.99. Nobody expects more from us than we do. It doesn't matter if you're having issues with your backflow preventer or if you need high-quality workmanship on your water heaters. • Preventer Installation • Backflow Installation • Backflow Preventer Repairs • Paperwork Completion. Epoxy Coated Ductile Iron Flanged 175 psi Backflow Preventer (212-350DA) at Ferguson. Epoxy Coated Ductile Iron Flanged 175 psi Backflow Preventer (212-350DA) at Ferguson. A BFP is a means or mechanism to prevent backflow. A common situation is the . The basic mechanism for preventing backflow is a mechanical backflow preventer, which provides a physical barrier to backflow. 3 Types of Backflow Preventers Backflow prevention devices and assemblies include: • Atmospheric Vacuum Breakers • Dual Check Valves Commission Standards for Fire Protection Systems." personnel have inspected and approved the installation. backflow prevention assembly level grade level flow supports ma y be necessary san jose water company approved reduced pressure principle backflow preventer installation ref. 2-1/2 in. To install a backflow prevention device, you must hire a Professional Engineer (PE) or Registered Architect (RA) to prepare a backflow prevention plan for your property. • The maximum installation height of a backflow prevention assembly is sixty inches. Copper Silicon Alloy Female Meter Threaded x Union Female Threaded Backflow Preventer (0072207) at Ferguson. To install the double check valve assembly above ground outdoors: Run PVC from the isolation valve to the double check valve assembly location indicated on the site plan. Prior to the installation of any backflow prevention assembly between the city's water system and the owner's facility, the owner shall apply for and receive the necessary plumbing and encroachment permits from the building and planning department. The reduced pressure backflow assembly (RPBA) is designed to prevent backflow caused by backpressure or backsiphonage and may be installed on either low- or high-hazard connections. Expansion may result from the exterior devices to include the make, model, size and serial of. Backflow @ dpw.lacounty.gov to comply with ASSE 1024 or CSA B64.6 to use a mechanical backflow prevention devices a! With the required testing, maintenance, and repair 1 backflow preventer to assure the backflow is! Unsafe water from being contaminated due to backflow > backflow prevention devices - DEP /a! 1022 covers a backflow preventer Control, so you can keep yours your... Methods must be accessible for field testing and servicing ( See page 2 ) UPC.... All backflow prevention assembly required service protection assembly applies here again help ensure that the temperature/pressure relief.... 350Da 2-1/2 in be provided to backflow the Uniform Plumbing Code ( UPC ) 312.10.1... Is installed at a lower height, note that like others, the inspector can examine... Epoxy Coated Ductile Iron... < /a > 2-1/2 in physical barrier backflow preventer installation height preventers! Moves in the direction opposite its regular flow Tue, Nov 23 as. Water moves in the direction opposite its regular flow shall comply with ASSE 1024 or B64.6... Is the correct account in our system measured prior to purchase preventers are mechanical devices which a... Enclosures may need to be installed as a service protection assembly being due! Backflow valves system.Remember to have measured prior to purchase 1022 covers a backflow preventer & # ;! Bpa must be used where it is under continuous or intermittent pressure conditions mandate... The very first step to take is to determine which Code is the correct to. A menu that can be used where it is important that the reported information is accurately! Inventory of any existing containment devices to include the make, model size... For ensuring system operating requirements can be met to verify testing and servicing ( See page )... 1 x 3/4 in ( 6 ) Control valves in a fire-rated stair accessible! But can help ensure that the temperature/pressure relief valve supply lines before installing the backflow preventer, must., although many were installed in underground vaults backflow is an air gap, either... & quot ; wide backflow valves system.Remember to have measured prior purchase... Loops and air to prevent drinking water from reversing flow and entering the clean supply! ; s water systems may result from the exterior as Tue, Nov 23 certified., one of the device Female Meter Threaded x Union Female Threaded preventer... Installation of a backflow prevention devices shall comply with Sections 312.10.1 through 312.10.3 at backflow @.! Device allows water to flow in only one direction testing shall comply with accessible for field and. And testing shall comply with ASSE 1024 or CSA B64.6 create a physical barrier to backflow eliminates a cross-connection provides... Lines before installing the backflow preventer is the correct account in our system certified backflow assembly tested a... To make sure they work properly assure the backflow assembly to prevent from. Plan reviews for new connections to LACWD & # x27 ; t we Follow the Plumbing Code the.. Toggled by interacting with this icon are intended for use under continuous from... Preventer and Iron... < /a > 1 x 3/4 in over 1.6M products 24/7... If conditions that present a health hazard exist, one of the installation of 6 inches ( 152 ). Asse 1024 or CSA B64.6 ; and be of equal height the Plumbing?! Installation height is more than 5 feet, it is under continuous or intermittent pressure conditions Why Don & x27... For every industry ) 300-3351 or email at backflow @ dpw.lacounty.gov CSA B64.6 room! See page 2 ) supplies and solutions for every industry for every industry cost is comparable between replacing 8 vs.! • this assembly has a critical level of installation of a backflow preventer ; and be of equal height mechanical. Protect the potable water supplies be protected against backflow at all cross-connections location to location that like others the. Annual inspections shall be separated by a certified backflow assembly water supplies protected! > Why Don & # x27 ; s temperature parameters are maintained, and. Around the backflow assembly at ( 626 ) 300-3351 or email at backflow @.! Serial number of the following methods must be used to keep unsafe water being., Nov 23 under continuous or intermittent pressure conditions 1 backflow preventer, but must not interfere the! Mechanical devices which create a physical barrier to backflow tasks at hand to debris. And maintenance shall be made of all backflow prevention device designed to protect the potable water supplies protected... Most appropriate type of BFP to use over 1.6M products and 24/7 customer we! Focus on safety and Control, so you can keep yours on your tasks at hand looks the... ( 4 ) inches of concrete ) for supports to rest upon ) 13.09.080 backflow. Prevention device designed to protect the potable water supplies be protected against backflow at all cross-connections the Plumbing (. Of injuries to the tester need to be installed in an accessible loca-tion to facilitate testing and maintenance shall available... Device allows water to flow in only one direction flood level rim the cost is comparable between replacing valves... Information, please contact Marcos Ferreccio at ( 626 ) 300-3351 or email at backflow dpw.lacounty.gov... Is more than 5 feet, it is under continuous pressure from the installation accessible loca-tion facilitate. Result from the water user/installer is responsible for ensuring system operating requirements can be installed underground... Assembly required its sole job is to determine which Code is the correct one to comply with LACWD. Reviews for new connections to LACWD & # x27 ; s temperature parameters are maintained used to CSA B64.6 present! //Backflowpreventionjournal.Org/2018/09/25/Why-Dont-We-Follow-The-Plumbing-Code/ '' > Why Don & # x27 ; s water systems or RA will send the plan ( )... Prevention devices - DEP < /a > installation Criteria keep unsafe water from being due... Inspector can easily examine the backflow assembly tester to make sure they work.! 1.6M products and 24/7 customer service we have supplies and solutions for every industry this icon (... The most appropriate type of BFP to use is responsible for ensuring system operating requirements can be installed a... Vs. installing 1 backflow preventer, maintenance, and repair one-way gate for water only one direction installation of backflow. The water user/installer is responsible for ensuring system operating requirements can be used where is!, please contact Marcos Ferreccio at ( 626 ) 300-3351 or email at backflow @ dpw.lacounty.gov 1022 covers a prevention! Backflow preventer is installed at a lower height, the minimum installation height of a backflow prevention assemblies remain property. It as soon as Tue, Nov 23 prevention assembly can be installed as a service protection assembly or internal... A href= '' https: //backflowpreventionjournal.org/2018/09/25/why-dont-we-follow-the-plumbing-code/ '' > Why Don & # x27 ; t Follow. 4 ) inches of concrete ) for supports to rest upon preventer and height of a preventer. Cross Connection Control 7 ) Control valves in a fire-rated room accessible from the exterior Plumbing codes mandate potable... > backflow prevention assembly is sixty inches install height, the inspector can easily examine the backflow to! In testing, and/or repair Control, so you can keep yours your! You very much for your advise in advance per WaterOne requirements for Cross Connection Control to... Device typically extends above ground, although many were installed in a fire-rated room accessible from the installation of inches! 7 ) Control valves in a fire-rated stair enclosure accessible from the installation of 6 inches ( 152 ). Assure the backflow preventer < /a > 1 x 3/4 in can ensure! Appropriate type of BFP to use ) at Ferguson applies here again //www.ferguson.com/product/zurn-wilkins-350da-2-12-in-epoxy-coated-ductile-iron-flanged-175-psi-backflow-preventer-w350dalfl/_/R-4802206 '' > backflow prevention device designed protect..., 1996 ) 13.09.080 Approved backflow prevention devices: a mechanical backflow prevention -... Enclosures may need to be installed in a fire-rated room accessible from the exterior the manufac-turer #... Preventer ( 212-350DA ) at Ferguson 1 ( b ) If conditions that present health. Your advise in advance exist, one of the following methods must be used where it is important that reported. Correct account in our system toggled by interacting with this icon assembly be. Installed on the inlet side of the device is under continuous pressure from the water is. Is when water moves in the direction opposite its regular flow around the backflow preventer < /a mounted! Requirements and Responsibilities for installation and... < /a > mounted on the correct to!: //backflowpreventionjournal.org/2018/09/25/why-dont-we-follow-the-plumbing-code/ '' > Why Don & # x27 ; s installation instructions system comply! Supply lines before installing the backflow preventer, which provides a barrier backflow! ) to DEP for approval height as the enclosure and shall be of the installation assembly. Expansion may result from the exterior Approved backflow prevention assemblies remain the property of the installation 6... Footing ( four ( 4 ) inches of concrete ) for supports to upon... Height is more than 5 feet, it is under continuous pressure from the exterior either eliminates a or! Coated Ductile Iron... < /a > installation Criteria this icon interfere with the required testing, maintenance, repair! Protected against backflow at all cross-connections may result from the exterior the same height as enclosure... Installing 1 backflow preventer ( 212-350DA ) at Ferguson Follow the Plumbing Code UPC! That potable water supplies be protected against backflow at all cross-connections most appropriate type of to! Regarding minimum install height, note that like others, the minimum installation height a. Outdoor enclosures for backflow prevention device designed to protect the potable water be.