air from thermostat

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    • #272455
      MasterPlumbers
      Keymaster

      I am hot in my office and my thermostat is hissing all the time. It sounds like a gas leak or something. Am I in danger or am I just being cooked slowly.

    • #285766

      This sounds like an air operated thermostat or pnuematic T-stat in the trade. This T-stat is connected to a valve in your ceiling or radiator and is a valve that also works on air pressure. Because heating valves fail to the open position the office is getting hotter because the rubber diaphram in the valve or air line going to or from the valve is leaking air and is allowing the valve to always stay a bit open. The hiss that you hear from the T-stat is the stat trying to make up the the leaking air.

      WHAT I AM SAYING IS YOU NEED A PLUMBING & HEATING TECH.

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