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a4007035 replied to the thread Motorized valve stuck in open position..

Yes that's right. When the boiler is off, and the thermostat is turned up the light on the zone valve is on. When thermostat turned...

Wednesday at 9:53 PM
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a4007035 posted the thread Motorized valve stuck in open position. in Plumbing and Central Heating.

Hi We have 2 thermostats for our house. One for upstairs and one for downstairs. When the downstairs thermostat is turned all the...
Wednesday at 9:11 PM