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How do you replace a pressure relief valve?

bender1227
Member Posts: 35
in Gas Heating
Comments
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I have a Weil McLain Gold GCT boiler with an expansion tank and a separate hot water heater.
My pressure relief valve isn't releasing pressure when the gauge reads 40 psi so I am going to replace it.
The current valve is a watts m330-m1
30 SPI
375,000 btu
How do I replace this?
Are there any precautions I should be doing or extra servicing that needs to be done after this installation?0 -
I almost never say this, but please, please, hire someone.
If you tell us your area I'm sure we can recommend someone good that will treat you fair.Single pipe quasi-vapor system. Typical operating pressure 0.14 - 0.43 oz. EcoSteam ES-20 Advanced Control for Residential Steam boilers. Rectorseal Steamaster water treatment4
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