Featured Innovations Examples of Backflow Backflow Basics Backflow Resources Our Backflow Brands. Backflow Preventers Dual Checks/Dual Checks with Atmospheric Vent LF9D 1/2 LF9D Part of the LF9D Series Ordering Code: 88006822 UPC: 098268028508 Lead Free: YES 1/2 In Lead Free Forged Brass Dual Check Valve Backflow Preventer with Intermediate Atmospheric Vent, Female Union Inlet and Outlet Connections A vacuum breaker should never be subjected to continuous pressure unless it is of the continuous pressure type and clearly identified for this service. Looking for the nearest location to purchase Watts products and accessories. 0000018076 00000 n July 25, 2014 What causes nuisance dripping of backflow preventers and how is it correctable? safety anytime, anywhere with eLearning courses and Just turning it off doesn't get protect it from freezing temperatures, it needs to be drained. : Dual Checks/Dual Checks with Atmospheric Vent - watts.ca A bitter taste and strong chemical odor in the water supply led a North Carolina clinic to contact the Wilson Water Distribution Division. Washer keeps failing. The pesticides are not harmful in small doses; however, ingestion of moderate doses triggers vomiting, and large doses cause life-threatening breathing difficulties. Backflow Preventers - Watts 1. your plumbing or piping system large PDF S-TSG Troubleshooting Guide - Watts Dual Checks/Dual Checks with Atmospheric Vent, Price List - Backflow Prevention Repair Kits & Service Parts, In-line design minimizes pressure drop across the valve, Instant check valve response prevents unnecessary vent discharge during pump's off cycle, Equipped with ball check valve that serves as a third check for added protection of water supply, Dual check valve assures positive, dependable seating protection. Maximum Working Pressure: 150psi (10.3 bar) Features In-line design minimizes pressure drop across the valve Yes, I herd about this I used to live on city water and did not have a backflow preventer. Again I would point out that repairs on these is not a DIY job because they must be tested using special test equipment by a certified inspector. The internals of a rppbfp almost preclude you from getting all the water out by draining it. Tee Tee Watts LFTC/LFNPT-TC Watts LFTC/LFNPT-TC Watts Series LFFBV-3C-M1 Shutoff Valve No. inspecting them to ensure they operate My city, while having many faults, does do this right. The trucks lines overwhelmed drinking water lines, pushing fire-suppression foam into the local water system. They inspect the installation of a new system. 0000009799 00000 n The Liddieville Water System initiated a flush, issued a boil-water advisory to all 441 connections in Franklin Parish, and started a program to alert customers about the problems with cross-connection. 0000013443 00000 n address protection against backflow. No! UPC: 098268051162. Can an atmospheric vacuum breaker be used under continuous pressure? professionals ensure our communities are safe Our boiler's backflow preventer valve started to leak out of the vent around Thanksgiving. for your community, environment, the device will allow any excess to go to the drain instead of backing up into the domestic water system. A city employee discovered a cross-connection between water and sewer lines during a routine inspection of a Colorado familys home. Cost of the inspection depends on the inspector, but range from $35 to $50. Removal of the BFP is good insurance against a freeze. Since I am replacing it wit the exact same watts 9d-m3, it is a simple twist off the 2 unions and twist back them on. 0000018851 00000 n For product-specific approval information, please refer to the products specification sheet or ask a Watts representative. Thanks for making the second annual National Backflow Prevention Day a success! The Watts Model LF07S Residential Fire Sprinkler Dual Check Backflow Preventer is designed for non-health hazard [i.e., pollutant] application on potable fire sprinkler service connections to protect against possible backsiphonage conditions that could inadvertently drain the fire sprinkler system. 0000004474 00000 n Backflow preventers should not be dripping constantly. If he is using city water, a backflow preventer is required. 0000017206 00000 n 1/2 LF9D - Watts Its compact modular design facilitates easy maintenance with a single access cover for in-line repairs. Will an anti-siphon vacuum breaker protect against a backpressure backflow condition? When a contracting company attempted to pump water from the potable supply into geothermal pipes, pressure caused backflow of a small amount of chemicals into the drinking water. 0000034324 00000 n They must be installed above the usage point. that may cause backflow. Maybe I have been super lucky. If you'd like to support the site, please allow ads. 0000014311 00000 n PDF Dual Check Valve with Intermediate Atmospheric Vent - Watts 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. This 2 inch lead free reduced pressure zone backflow preventer assembly is designed to prevent the flow of polluted water from entering into the potable water supply due to backsiphonage and . An example would be a hot water space-heating boiler operating under 15-20 lbs. (Spill resistant models for indoor use are also available). 0000047874 00000 n School officials urged students to watch for symptoms and seek medical attention if necessary.

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