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    taco 503 zone panel (3 Posts)

  • smitty smitty October 11, 2011 @ 6:48 PM
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    taco 503 zone panel

    the zone to my indirect hot water heater keeps turning on and off every couple of sec turning the circulator  on and off . changed the cube relay seemed to solve problem for a little while any suggestions on what is causing this.
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  • lchmb lchmb October 11, 2011 @ 7:00 PM
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    aquastat

    Did you check your indirects aquastat? Wiring for lose connections?
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  • smitty smitty October 12, 2011 @ 3:13 PM
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    thanks

    jumped out the aqustat found it to be bad replaced it everything working fine now                
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