To do this connect a garden hose.
Water heater tp valve.
A good solution to this risk is the relief valve.
Tprs are designed to automatically release water in the event that pressure or temperature in the water tank exceeds safe levels.
Bronze nclx temperature and pressure relief valve with 1 1 4 in.
Shank mnpt inlet x fnpt outlet model 23576 0150.
Set your store to see local availability add to cart.
Place a bucket below the discharge tube.
How to test a dripping t p valve on a hot water heater 1.
Run hot water from the faucet nearest the heater for about a minute or until you re sure it has reached its maximum.
The discharge line must be the same size as the valve.
Cash acme 3 4 in.
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.
Make sure that the discharge tube is firmly attached.
Check the pressure of your water system with water pressure meter.
2 drain the water from the tank until the water level is below the valve s location.
A relief valve functions by discharging water it is essential that a discharge line be piped from the valve in order to.
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 amazing electric or gas bill and goes searching for the reason.
3 raise the.
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.
Screw the meter onto a basement hot water faucet.
Wear closed toe shoes to avoid scalding.
How to replace a water heater t p relief valve 1 shut off the cold water to the water heater and gas or electricity that heats the water heater.
Water heater manufacturers recommend regular checking of the t p valve.
Briefly pull back on the t p valve s metal lever to cause a small amount of water about.
What you need to know in normal operation of the water heater and t p valve no water should be discharged from the valve.
The relief valve is an important safety feature on the water heater.