Looking for the nearest location to purchase Watts products and accessories? backflow preventer vent dripping Jim_47 Member Posts: 244 January 2008 When the boiler side of the device has a higher pressure than the supply or house side pressure. WATTS 909 - 709 DCDA - Repair Manual. Backflow Preventer & Vacuum Breaker Repair Kits - Grainger 0000000516 00000 n WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Backflow Preventer Cross Reference Guide CR-F-BP Valve Types FEBCO Ames Watts Conbraco Hersey Wilkins Cla-Val Flomatic . Part # WLF009NRSL. If a negative pressure develops in the supply line, the loss of pressure permits the check valve to drop sealing the orifice while at the same time the vent opens admitting air to the system to break the vacuum. Copper Silicon Alloy FNPT Backflow Preventer, Watts Series LF7R 3/4 in. . WATTS 909 RPDA - Repair Manu al. If the relief value discharge/leak stops, you know that the relief valve is working, it closed! From time to time all backflow reps, no matter the manufacturer, all get the dreaded same phone call, The backflow you shipped out to the jobsite is leaking, can you go fix it? Having worked on all sides of this issue, I can tell you that statistically backflow assemblies leaving the manufacturing plant are almost never defective because all manufacturers 100% pre-test assemblies to ensure they function correctly so that leaks or failures should not happen on the jobsite. Products Compliant to ASSE Standards Brass Union Female Threaded x Union Joint Backflow Preventer, Watts Series 9D 1/2 in. Did the assembly stop leaking from the relief valve? Manual Backflow Preventer BA BS - wattswater.eu Backflow prevention protects potable water systems from potential hazards. This table is meant to help guide you through product performance standards for Watts plumbing and flow control components. University of Southern California FCCCHR The following are some tips on how you can troubleshoot an assembly from your office or even your smart phone. For technical assistance, contact your local Watts representative. PDF Backflow Preventer Cross Reference Guide - Watts Series7 Dualcheck Backflowpreventers Copper Silicon Alloy Female Meter Threaded x Union MNPT Backflow Preventer, Watts Series LF007 1/2 in. Related Products. Terms of Site Use| Looking for help with product questions, support or a quote? Includes . Cast Copper Silicon Alloy FNPT Backflow Preventer, Watts Series 957 4 in. the device will allow any excess to go to the drain instead of backing up into the domestic water system. Zurn Wilkins Lead Free Backflow Assembly Cross Reference Guide for Watts. A protective cage can be installed over the unit to discourage vandals. DoNotSellorShareMyPersonalInformation| Looking for the nearest location to purchase Watts products and accessories? 304 Stainless Steel Flanged 175 psi Backflow Preventer, Watts Series LF009 1 in. No! Welcome It looks like you're new here. 2. For product-specific approval information, please refer to the products specification sheet (see literature section above) or ask a Watts representative. Cast Copper Silicon Alloy FNPT Backflow Preventer, Watts Series LF007 1-1/2 in. Tab will move on to the next part of the site rather than go through menu items. For field testing procedure, send for IS-TK-DP/DL. Back ow Prevention & Flow Control for Plumbing Watts 909 Series Basic Installation Instructions - ManualsLib 0 Item # 4525756. In the event of such defects within the warranty period, the Company will, at its option, replace or recondition the product without charge. wilkins cross-reference guide backflow preventers REDUCED PRESSURE PRINCIPLE (Small) ASSE 1013 WILKINS WATTS CONBRACO(apollo) FEBCO AMES HERSEY CLA-VAL FLOMATIC NETAFIM Copper Silicon Alloy FNPT Backflow Preventer, Watts 2 in. The first check in an RP has a minimum five-pound spring loaded to a closed position. For other repair kits and service parts, send for, For technical assistance, contact your local Watts, Reduced pressure zone assemblies, reduced pressure detector assemblies (16 pages), Reduced pressure zone assemblies (8 pages), Reduced pressure principle backflow preventers (4 pages), Reduced pressure zone backflow preventer/ reduced pressure detector assemblies (11 pages), Reduced pressure zone assemblies, sizes: 1/4"-2" 8-50mm (8 pages), Pressure reducing control valve with solenoid (on-off) feature (12 pages), Two-way flow altitude control valve with solenoid (on-off) override feature (12 pages), Two-way flow altitude control valve (12 pages), Pump control control valve with rate-of-flow feature (12 pages), Modulating float control valve with solenoid (on-off) feature (12 pages), Pressure reducing control valve with downstream surge control feature (12 pages), Pressure reducing control valve (12 pages), Solenoid (on-off) control valve with hydraulic check feature (4" and smaller) (12 pages), Manual will be automatically added to "My Manuals", Instruction, installation, maintenance and repair manual, Water System Watts 909 Series Instruction, Installation, Maintenance And Repair Manual, Control Unit Watts 909 Series Installation, Maintenance & Repair, Control Unit Watts 900 Series Quick Manual, Control Unit Watts 994 Series Installation, Maintenance & Repair, Control Unit Watts 995 Series Installation, Service, Repair Kits, Maintenance, Control Unit Watts 919 Series Installation, Maintenance & Repair, Control Unit Watts AMES 910GD-15 Installation, Operation And Maintenance Manual, Control Unit Watts AMES 960GD-15-17 Installation, Operation And Maintenance Manual, Control Unit Watts AMES 960GD-17 Installation, Operation And Maintenance Manual, Control Unit Watts AMES 984GD Installation, Operation And Maintenance Manual, Control Unit Watts 979GD-15 Installation, Operation And Maintenance Manual, Control Unit Watts AMES 910GD-11 Installation, Operation And Maintenance Manual, Control Unit Watts AMES 910GD Installation, Operation And Maintenance Manual, Control Unit Watts AMES 930GD-01 Installation, Operation And Maintenance Manual. Stainless Steel Flanged 175 psi Backflow Preventer, Watts Series LF7 3/8 in. It is ideal for protection at health hazard cross-connections or for containment at the service line entrance. Copper Silicon Alloy FNPT Backflow Preventer, Watts Series LF7R 3/4 in. Burlington, ONT. See figure # 1 below. In the past, we might have walked miles to a well to collect water, but now we simply turn on the faucet and drink as much as we like. (s8?06 E ; 3@&| H`l\[f xX57 hGQsL230200:` p2 cF endstream endobj 137 0 obj 465 endobj 110 0 obj << /Type /Page /Parent 105 0 R /Resources 111 0 R /Contents [ 116 0 R 118 0 R 120 0 R 122 0 R 124 0 R 126 0 R 130 0 R 132 0 R ] /MediaBox [ 0 0 612 792 ] /CropBox [ 0 0 612 792 ] /Rotate 0 >> endobj 111 0 obj << /ProcSet [ /PDF /Text /ImageC ] /Font << /F5 112 0 R /F6 128 0 R >> /XObject << /Im1 134 0 R /Im2 135 0 R >> /ExtGState << /GS1 133 0 R >> /ColorSpace << /Cs5 113 0 R >> >> endobj 112 0 obj << /Type /Font /Subtype /Type1 /FirstChar 32 /LastChar 240 /Widths [ 333 344 564 668 563 688 688 297 427 427 573 668 260 500 260 613 531 531 531 531 531 531 531 531 531 531 260 260 667 667 667 406 927 635 583 604 688 510 510 688 750 396 365 646 510 844 750 729 563 729 625 479 615 750 635 958 625 625 573 458 613 458 306 500 333 458 552 438 552 458 354 458 583 313 313 563 323 854 583 552 563 552 427 375 354 583 490 781 531 500 448 396 611 396 667 333 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 479 604 0 302 0 0 0 771 0 0 0 333 0 0 333 668 333 333 0 607 333 333 333 333 333 0 0 333 0 0 0 0 0 333 0 333 333 0 0 0 333 0 0 0 0 0 500 0 0 0 0 0 0 333 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 333 ] /Encoding /MacRomanEncoding /BaseFont /JoannaMT-ExtraBold /FontDescriptor 114 0 R >> endobj 113 0 obj [ /CalRGB << /WhitePoint [ 0.9505 1 1.089 ] /Gamma [ 2.22221 2.22221 2.22221 ] /Matrix [ 0.4124 0.2126 0.0193 0.3576 0.71519 0.1192 0.1805 0.0722 0.9505 ] >> ] endobj 114 0 obj << /Type /FontDescriptor /Ascent 658 /CapHeight 599 /Descent -244 /Flags 262178 /FontBBox [ -192 -254 1029 845 ] /FontName /JoannaMT-ExtraBold /ItalicAngle 0 /StemV 144 /XHeight 435 >> endobj 115 0 obj 709 endobj 116 0 obj << /Filter /FlateDecode /Length 115 0 R >> stream In order for this scenario to take place, you will need to very patient. Ideally, the installation should not require platforms, ladders or lifts for access. has no control. For troubleshooting guide, send for S-TSG. Assembly Backflow Preventers are designed to prevent, Price List - Backflow Prevention Repair Kits & Service Parts, Specification Sheet - Watts Air Gaps, Elbows and Test Cocks, Separate access covers for the check valves and relief valve for easier maintenance, Top-mounted test cocks reduce installation clearances and make testing easier, Bottom-mounted relief valve reduces installation clearances, Innovative plastic seat guides and check valve plastic cover bushing for trouble-free guiding. Where is a double check valve assembly used? They have a bronze body construction, two poppet style check valves, and replaceable check seats, with an intermediate relief valve. Test cocks positioned for easy testing and winterization. Therefore the above, limitations may not apply to you. Backflow Preventers The risks to drinking water quality from backflow contamination incidents pose a constant threatwhether they're nuisance, non-health hazards, or serious public health events. %%EOF If installed on a, fire sprinkler system, all mechanical checks, such as, alarm checks and backflow preventers, should be flow, tested and inspected internally in accordance with NFPA, Limited Warranty: Watts Regulator Co. (the "Company") warrants each product to be free from defects in material and workmanship under normal usage for a period of one year from the date of. Add to Cart. At this point the relief valve will open, discharging water once the relief valve spring tension is overtaken by the now higher pressure in the reduced pressure zone caused by the backpressure thru the fouled second check and open second shut off valve. PDF S-TSG Troubleshooting Guide - Watts %PDF-1.2 % The only option that you cannot order with a backflow prevention assembly is rocks, dirt, or debris. Backsiphonage can be created when there is a stoppage of the water supply due to nearby fire-fighting, repairs or breaks in city main, etc. Copyright WILKINS CROSS-REFERENCE GUIDE BACKFLOW PREVENTERS DOUBLE CHECKS - Zurn WATTS 008QTLF008QT008PCQTLF008PCQT - Repair Manual, WATTS800QT 800M2 800M3 800M4-Repair Manual, WATTS 957957RPDALF957RPDA -Repair Manual, WILKINS375, 375A (R), 375DA & 375ADA (R) -Manual, WILKINS 475 -475V -475DA & 475DAV -Repair Manual, AMES 4000 5000-SS-2-1-2-to-6-in -Repair Manual, American Backflow | American Backflow Specialties | DUKE Products | DUKE Hydrovalve 2021, Installation, Operation,Maintenance Parts and Kits, PDFManuals forBackflowPrevention Assemblies, WILKINS375, 375A (R), 375DA & 375ADA (R) -. How To Troubleshoot A Reduced Pressure Backflow Prevention Assembly (RP) Pressure vacuum breakers may be used as protection for connections to all types of non-potable systems where the vacuum breakers are not subject to backpressure. Backflow Preventers & Valves - SupplyHouse.com Part # 0122612. The risks to drinking water quality from backflow contamination incidents pose a constant threatwhether theyre nuisance, non-health hazards, or serious public health events. Apply for the Watts Backflow Tester Scholarship Today! Up and Down arrows will open main level menus and toggle through sub tier links. the Series 7 Backflow Preventers offer: Low pressure drop. 25 0 obj <>stream Ferguson Enterprises, LLC. 919 PrivacyPolicy&Security| Cast Copper Silicon Alloy NPT Backflow Preventer, Watts Series LF009 2 in. (Also see #7). Your backflow was leaking, you did your steps and still your relief does not leak, you have wait until the reduced pressure zone pressure is increased by enough backpressure thru the fouled second check in order to make the relief valve open. Backflow Preventers & Vacuum Breakers at Lowes.com Cast Copper Silicon Alloy FNPT Backflow Preventer, Watts Series LF007 3/4 in. He currently works for Edwards, Platt & Deely as an outside representative calling upon contractors, engineers and code officials. Series 919 compact modular design facilitates easy maintenance and assembly access. An example is the common garden hose attached to a sill cock with the end of the hose lying in a cesspool. Cast Copper Silicon Alloy NPT Backflow Preventer, Watts Series 9D 3/4 in. Privacy Settings. The sole purpose of a backflow device, which is required by state and local code, is to protect your family's tap water from harmful contaminants present on the lawn. Cast Copper Silicon Alloy FNPT Backflow Preventer, Watts 1 in. Watts Double Check Valve and Double Check Detector Assemblies are used to prevent backflow of non-health hazard pollutants that are objectionable but not toxic from enter- ing the potable water supply system. They must be installed above the usage point. <<1F369169595B1E459B0A44E48EBCCC18>]>> Backflow Structure training is now available Easy maintenance and service. Copper Silicon Alloy Female Meter Threaded x Union Female Threaded Backflow Preventer, Watts Series LF009 1/2 in. Watts Water Technologies EMEA B.V. is the European Holding of Watts Water Technologies Inc. Sitemap. Fire protection systems are most commonly constructed of uncoated black iron pipe which is considered by plumbing officials to be unacceptable as water system piping material. Looking for help with product questions, support or a quote? Watts Series LF009 2-1/2 in. Amazon.com: Watts Backflow Preventer Cast Copper Silicon Alloy FNPT Backflow Preventer, Watts Series 774DCDA 12 in. Enter and space open menus and escape closes them as well. When the manufacturer ships an assembly, this is how the internals are positioned. Can an atmospheric vacuum breaker be used under continuous pressure? For Use With. Plumbing codes mandate that potable water supplies be protected against backflow at all cross-connections. Brass FNPT 700 psi Backflow Preventer, Watts Series LF07S 2 in. Ironically, the ordinary garden hose is the most common offender as it can be easily connected to the potable water supply and used for a variety of potentially dangerous applications. They can be used anywhere you need to protect direct connections from foreign material that might enter the potable system in concentration which does not constitute a health hazard. Stainless Steel Flanged 175 psi Backflow Preventer, Watts Series 757 4 in. 2023 The remedy described in the first paragraph of this warranty shall constitute the sole and exclusive remedy for breach of warranty, and the Company shall not be responsible for any incidental, special or consequential damages, including without limitation, lost profits or the cost of repairing or replacing other property which is damaged if this product does not work properly, other costs, resulting from labor charges, delays, vandalism, negligence, fouling caused by foreign material, damage from adverse water conditions, chemical, or any other circumstances over which the Company. Example: Yes, I would like to receive emails from Backflow Prevention Journal. Things like; fertilizers, fungicides, pesticides and animal droppings are present on most all lawns as well as the surrounding areas. Copyright Sometimes this last step takes minutes and sometimes it could take hours. Copyright 2023Zurn Industries, LLC. Products; Solutions; Case Studies; Downloads; Company; . Maximum Working Pressure: 175psi (12.06 bar). endstream endobj 16 0 obj <> endobj 17 0 obj <> endobj 18 0 obj <>/ProcSet[/PDF/Text]/ExtGState<>>> endobj 19 0 obj <> endobj 20 0 obj <> endobj 21 0 obj <> endobj 22 0 obj <> endobj 23 0 obj <> endobj 24 0 obj <>stream The second shut off valve must leak, there must be enough backpressure to cause flow to pass back through past the second shutoff valve and the second check must be fouled by debris or otherwise not closing. Most people don't give a moment's thought to their drinking water. Brass Female Meter Threaded x Union FNPT Backflow Preventer, Watts Series LF7R 1 x 3/4 in. As water tends to flow in the direction of least resistance, a backpressure backflow condition would be created and the contaminated boiler water would flow into the potable water supply. With the #2 shutoff closed, If the relief valve continues to leak, we have a fifty-fifty chance of what is causing the leak. Depending upon how much water is passing through the second shut off valve and through the second check will depend on the reaction time on how fast the relief opens.
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