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BOILER IMMEDIATLEY BUILDS PRESSURE to 30LBS and PRV POPS
I have my boiler, and i had to replace the inlet because of complete rust blockage.
I replaced it with a Taco 334-T3, all was working fine, and pressure was at 15-20lb.
2 months later i get a call from my tenant, and the Grundfos pumps were banging, and making tons of noise.
They were shot. I replaced them, and all was fine, when i noticed that the pumps were whining, and i saw the temp gauge at 220 and PRV was leaking. I imediately cut the boiler, and waited till temps dropped....i saw that Aquastat was shot due to the fact that the Taco 334-T3 was dripping all over it. So i replaced aquastat as it was faulty, and now it works.
The boiler falls to 15 PSI when off, but second it calls for heat, pressure builds up to 30lbs, and PRV leaks....i lowered temp on the aquastat to 160, and its manageable for now.....I m thinking of replacing the expansion tank as most likely the culprit ....any thoughts??? I am also thinking that city pressure may be too high, but wouldnt 334-T3 fix that?
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Your Taco 334-T3 should take care of reducing city water pressure to 15 psi.
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