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relief valve

  1. 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...
  2. 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...
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