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aquastat

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Bubbaphill
Bubbaphill Member Posts: 1
in Thermostats and Controls
I have a Honeywell Ra832A aquastat that will open up when I tap it. It will then circulate water for about a day until I tap it again. As you can tell by this post don't know much about this, any ideas.

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  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 7,833
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    #1. This is not an aquastat.
    #2. The control is probably getting stuck intermittently or the electrical contacts on the relay are pitted and not making a good electrical connection. The percussion of tapping then moves the relay clapper or contacts to a position of better electrical contact to complete the circuit
    #3 They are inexpensive enough to just replace it
    #4 If you are not comfortable with electrical control wiring and the safe practices needed to properly replace the control, then call a professional plumber or heating contractor to do the work.
    Edward F Young. Retired HVAC ContractorSpecialized in Residential Oil Burner and Hydronics
  • HVACNUT
    HVACNUT Member Posts: 5,833
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    The Taco SR501 is a good replacement for the RA832A. Pick one up, post back with some pics and we'll help you wire it if needed.
    Intplm.

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