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Hot water boiler

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Just had a new water boiler installed to heat the building. There is a temperature sensor on the 3-inch steel heating pipe to turn on and off the circulating pumps. Marked on an adjustable scale are the degrees. So if I want the pumps on at say 90F supposedly I would just turn the scale to 90. The device is about 50 degrees out and no way to adjust it. Can anyone recommend a device I could replace that with
Thanks
Rick

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  • Larry Weingarten
    Larry Weingarten Member Posts: 3,304
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    Hi @Trickyrick , I think some photos of the sensor/thermostat, with cover on and off would give us the info needed to be able to help you without too much guessing. ;)

    Yours, Larry
    Hollywood111
  • Hollywood111
    Hollywood111 Member Posts: 6
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    W/o knowing actually what temp device as you specified is the issue, usually is set from your contractor and should not be adjusted. Having said that, do NOT adjust as it may not be what the contractor intended. MPT...