Pressure rellief valvue was replaces a year ago for laking. Water pressue still reaching 40psi? Don't know why shoud be 30psi.. water still leaking off from the pressure relief valvue. I've tried to beeed oof water from the pressure relief valvue and the drain with n help. Pressuet still moves ut to 40psi. What should I be looking for?

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Originally Posted by pfrouge

Pressure rellief valvue was replaces a year ago for laking. Water pressue still reaching 40psi ?? don,t know why shoud be 30psi.. water still leaking off from the pressure relief valvue. I've tried to beeed oof water from the pressure relief valvue and the drain with n help. pressuet still moves ut to 40psi. What should i be looking for?

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Your expansion tank is full of water so the water when it gets hot cannot expand into a full of water tank space. Secure boiler water fill valve and drain expansion tank. IF you have the bladder type tank you will have to replace it since the bladder is ruptured internally and cannot be repaired.

The water pressure valve could also be defective along with the tank.