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Hot water baseboard system

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JimGlose
JimGlose Member Posts: 3
in THE MAIN WALL
Hot water baseboard system, 5 zones
In two of the zones, when the thermostat calls for heat, the valve opens, but the circulator doesn't come on.
Where is the problem?

Comments

  • Jamie Hall
    Jamie Hall Member Posts: 26,835
    Check all your wiring and the end switches on the valves for starters.
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
  • delta T
    delta T Member Posts: 884
    most likely bad end switches. Are these honeywell zone valves? depending on how old they are, you can most likely change out the head without draining any water.
  • JimGlose
    JimGlose Member Posts: 3
    Thanks fellas!

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