PRV valve going off?
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PRV valve going off?
just noticed some water in my basement floor just a little bit last 2 days. the water coming from the pressure valve. i chaecked everything and temp is good 170 is the high! the pressure is 12 cold and about 16 hot. i checked the expansion tank and it has no air in it? i dont know why its a brand new tank would that casue this? there no air in my system? what is the pressure suppsoe to be at? i think it wat at about 12 psi when i installled it. is the preesure suppsoe to be few pounds above 12psi?
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is the expansion tank effecting this? i dont get it, i have not seen the preesure relife valve go off yet i just seen some water on ym floor and seen the valve was a little wet.
yes trooper you are right i just watched the boiler for about 15 min. and the pressure went upto 30psi.
yes trooper you are right i just watched the boiler for about 15 min. and the pressure went upto 30psi.

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no its coming from the boiler pressure relife valve, i felt it wet inside. only thing not abnormal is the expansion tank. the tank has no air prssure to it, could it have leaked its air out? be deffective? can i fill the tank up with air again? and how? should i wait till the system is cool? or no water flow running?
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