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-   -   I have a weil-mclain boiler. The zone valve opens but no heat in zone. What do I do? (https://www.askmehelpdesk.com/showthread.php?t=424249)

  • Dec 11, 2009, 05:31 PM
    wylde4rose
    I have a weil-mclain boiler. The zone valve opens but no heat in zone. What do I do?
    Have replaced the zone valve actuator, but it doesn't seem to be fixing the problem. What else can I do?
  • Dec 11, 2009, 06:38 PM
    hvac1000
    Check system pressure. Minimum of 12 psi for a single story home. Did you bleed all the air out of the system? I would check these items first and while you are at it is the valve you repaired operating correctly?

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