How to Test a Thermal Relief Valve How to Test a Thermal Relief Valve

What You'll Need
Thermal relief valve
Screwdriver
Bucket
Wrench

thermal relief valve is pretty small in size, however it plays a big role in protecting from expansion due to extra pressure that is put on a system. Without this valve, there could be serious mechanical and safety issues. If you are interested in learning how to test your thermal relief valve to see if it is working, here is a quick guide that can help you through the process with ease. 

Step 1 – Gain Access

The first thing that you need to do is gain access to the actual valve. Depending on where it is located in your pump, you may or may not need to use a screwdriver to get to it. Carefully remove any screws and be sure to save them to re-attach later.

Step 2 – Check the Valve

To check the actual valve, you will need to place a bucket underneath to catch any water that may come out. Then, lift the lever and then lower it back carefully once the water has drained out. The valve will need to be replaced if you find that the water does not flow out freely.

Be careful while working with the thermal relief valve so as not to burn yourself.

 

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