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  1. HVAC
    Hi there, I have a 20 year old Weil-McLain Gold CGa gas-fired water boiler that drives two heating loops in my house. We've apparently had a pinhole leak somewhere in the system forever, so the internal pressure of the system would slowly drop from 20 psi to near zero by the end of each...
  2. HVAC
    Hello all just looking for some advice. My safety valve keeps popping on my furnace. Last year I replaced the automatic make up feed water valve due to leaking by and over pressurizing. I turned off the manual feed water valve before that and watched the furnace operation. It was working fine...
  3. HVAC
    Hello, I have a Dunkirk XEB-6 furnace. First, the pressure was a little bit high around 25 psi. The manual said that the pressure should between 12 and 20 psi. I thought that the relief valve is not working. so i went ahead and tested it by lifting the lever and releasing some water. after...
1-3 of 3 Results