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ultra 155 cycles on and off repetitively

Brotherhr
Member Posts: 1
in Gas Heating
My boiler sounds like it is turning on and off over and over all night sometimes. It makes heat though.
0
Comments
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Most likely a control problem -- or a wildly oversized boiler with no buffering. But we need a lot more detail on the system -- system size, boiler size, piping, controls...Br. Jamie, osb
Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England0 -
When was it opened up and serviced last?
Failing flame sensor has those symptoms.0
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