boiler presure

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    • #276119
      Avatar photobruniezm

      oil fired boiler started over presureing when it calls for heat. unit uses a overhead expansion tank,do i need to drain it? it seems full

    • #293464
      Avatar photoHarold Kestenholz

      Yes, you need to drain it. Cloae off the valve to the tank, drain it, open the valve slowly.

    • #293465
      Avatar photojack66

      thanks harold,

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