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hot water heating boiler

Discussion in 'Electrical Engineering' started by Ronald Murray, Oct 8, 2004.

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  1. Hello
    The plumber has the furnace & all the controls in place. The zone valves
    have 4 wires , 2 red , 2 black. The four thermostats have 2 wires each. Can
    any one send me a wiring diagram for this system , OR point me to a web page
    that may help. I need to know where the 4 wires on the zone valve get
    terminated. I think the thermostat wires go to the black wires on the zone
  2. SQLit

    SQLit Guest

    what voltage? There must be 100 manufactures out there for this equipment.
    With out specific information on the equipment any information would be a
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