Water Heater Safety Valve Installation

By nick gromicko cmi and kenton shepard temperature pressure relief or tpr valves are safety devices installed on water heating appliances such as boilers and domestic water supply heaters.

Water heater safety valve installation.

Install the expansion tank on the cold water supply line to the water heater at a point between the water heater and backflow preventer or other one way device see figure 2 2. Turn off the water supply to the heater at the valve located on the cold water line. Automatic gas water heater shutoff valves. Automatic lp propane or natural gas shutoff controls valves for water heater.

This type of heater rightly requires more stringent adherence to codes and safety. T p valve the temperature and pressure relief valve is an important safety device which goes off when your tank exceeds 210 degrees fahrenheit or 150 psi. The temperature pressure relief valve tprv is an incredibly important life safety device on every water heater. Violating these codes may result in fines voiding your warranty or putting your family at risk.

Turn the hot water heater control valve to the off position and the temperature dial to its lowest setting. Before the initial firing of the water heater open any hot water fixture and draw water until all air is removed from the system. Make repairs if necessary. The wags automatic water heater safety shut off valve is the one shot wonder the original.

If the water heater thermostat fails to turn off at its temperature setting and continues to heat the water indefinitely the tpr valve will open and let the overheated water out. The valve connects to a pipe that runs to a drain or outside using gravity. Wags is the water heater automatic shut off valve that gives you peace of mind. And saves you money.

Once the expansion tank is installed check the cold water supply line for any leakage. Unlike the expansion tank which is intended to protect the piping system from pressure the tprv protects the water heater tank from experiencing. This article describes the installation function safety of automatic gas line shutoff valves used on water heaters such as the watts 210 5 series automatic gas shutoffs. Pressure happens and when it does the temperature and pressure relief valves allow hot water to be released.

Temperature and pressure relief valves shall be installed so that the sensing element of the valve extends into the heater tank and monitors the temperature in the top 6 inches of the heater or tank. Understanding water heater installation code requirements can be a real pain. But if the termination of the piping is not readily visible such as if it is located under the house the water will continue to drain until the homeowner gets an. Every relief valve which is designed to discharge water or steam shall be connected to a discharge pipe.

Its proper functioning is the difference between a nice hot shower and an explosion.