Zone valve problem

Discussion in 'HVAC Heating & Cooling' started by Ironworker1143, Jan 4, 2009.

  1. Ironworker1143

    Ironworker1143 New Member

    Messages:
    1
    Hello,
    I have a wood boiler and oil boiler hooked togeather to heat my home. Problem is Downstairs Thermostat will not open zone valve and cirrculating pump will not start. All the other 3 in my home work great.
    If I hold open zone valve manuall for the downstairs zone . The Pump with work and the zone will open. as so for the other valves I took thermostat apart on wall and joined wires and it still won't work but there is power on it because i can see blue spart. Is the basement zolve valve broke??? even if it will work if up hold it manual and pump and valve flow??

    THank you for your time.
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