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hot water baseboard

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captkirb
captkirb Member Posts: 1
after a service, weil boiler w/ hot water baseboard w/ 2 zones w/ zone valves, the downstairs zone will not heat unless the upstairs zone is on and pumping. i suspect a circulating pump wiring problem. any thoughts on this would be appreciated

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  • STEAM DOCTOR
    STEAM DOCTOR Member Posts: 2,012
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    Take a look at zone valve. Is it in the hold open/manual position.
  • Big Ed_4
    Big Ed_4 Member Posts: 2,806
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    The end switch in the down stairs zone valve seems to be faulty

    There was an error rendering this rich post.

    Jolly Bodger