Backflow Preventer Hot Water Heater

Currently the only device approved for hot water operation.
Backflow preventer hot water heater. The 2018 uniform plumbing code also calls out in section 603 4 5 hot water backflow preventers. Backflow preventers for hot water exceeding 110 f 43 c shall be a type designed to operate at temperatures exceeding 110 f 43 c without rendering a portion of the assembly inoperative. For some homeowners thermal expansion could produce leaky faucets or set off the relief valve on hot water heaters. Before the backflow protection device was in place have a hot water heater.
Heating boiler backflow preventer valves bbfp. Camco s 23303 rv 1 2 back flow preventer allows water to only flow in one direction to prevent backflow. It stops water that has been heated rejoining your water supply because this can also affect the pressure in your water heater. You need to fit the backflow preventer onto the pipes before they reach the heater.
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. The backflow preventer creates an isolated or closed plumbing system. A backflow preventer allows water to flow into your home but stops it from flowing backwards and contaminating the public water supply. It is utilized on potable water applications for high health hazard protection from backsiphonage and backpressure of contaminated water.
This article describes check valves installed on the water supply to heating boilers to prevent heating system water from re entering the building potable water supply system and its piping. It has a heavy duty brass body with a stainless spring. Lead free bronze body feature three covers. Known as the cadillac of backflow preventers the 909 is constructed of high quality parts for reliabilty and ease of service.
When you are fitting the backflow preventer you should pay attention to some simple rules. Plumbing codes mandate that potable water supplies be protected against backflow at all cross connections. Fit before the heater. See cooltoday s response to recent issues regarding covid 19 800 226 2636.
3 4 watts lf909 qt hw reduced pressure zone assembly. 1 2 male x female npt. Backflow preventers are installed on hot water hydronic or steam boilers on the boiler water feed line as required by both good plumbing practice and by. Backflow and thermal expansion city of arlington tx the public water pipes.