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PF140 - not igniting (peerless boiler)
The DHW is calling for heat and circulators on however boiler seems to be stuck on DHW Trial for Ignition. Water temp at boiler is only 94 degrees.
When I turn the power off and on it works for about 5 days then it happens again. 3rd time in the past few weeks.
The boiler doesn’t show any errors or lockouts. Any thoughts? I’m thinking the control board needs to be replaced. Unit is about 10 years old. Flame sensor and igniter were replaced 2 years ago.
Any thoughts? Many thanks
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