Water Heater Pressure Relief Valve Drain Line

The temperature pressure relief valve or tpr valve on any heated appliance that contains water such as a heating boiler hot water tank water heater water cylinder must have a drain line or discharge tube properly installed routed and made of proper materials.

Water heater pressure relief valve drain line. The pipe leaving the relief valve should be the same diameter as the exhaust port of the valve usually 3 4 inch. Pan serving the water heater. The valve should be connected to a discharge pipe also called a drain line that runs down the length of the water heater tank. In the future follow these steps to drain a water heater.

Supply line softener 4 supply line wh 13 temperature and pressures valve 20. Operates when the pressure inside the tank reaches the rated pressure of the tank. If the valve is doing its job and hot water is dripping or spewing out of the tpr drain valve turn down the temperature on the water heater controller and or turn down the water pressure. The tpr valve will activate if either water temperature measured in degrees fahrenheit or pressure measured in pounds per square inch psi exceed safe levels.

T p valve the. Heating element pressure relief valve rheem water heater accessories gas valve water heater accessories treater smokers hotwire. Check the pressure relief valve. Understanding water heater installation code requirements can be a real pain.

Before you drain a water heater check its pressure relief valve the means by which the tank. A good solution to this risk is the relief valve. Most areas require a drain pan with a drain line under it. Here are other things to pay attention to.

The two can be combined in one device so long as it meets the requirements for both individual valves. 4 termination of the discharge piping can be to any of the following. Get free shipping on qualified drain tube water heater accessories or buy online pick up in store today in the plumbing department. This reduces the risk of water damage from leaks and aids during flushing.

The relief valve is an important safety feature on the water heater. If the water inside the unit gets too hot usually above 210 degrees or pressure builds up too high above 150 psi the water heater can become damaged or even explore. For more on this. Violating these codes may result in fines voiding your warranty or putting your family at risk.

In the example below an upper pressure relief valve drain not visible behind vent connector has been tied into the drain for the lower one. If at any point the temperature or pressure reaches an.