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Posted by HeatPro on August 12, 2005 at 17:59:32:
In Reply to: Adding a zone posted by Randy on August 12, 2005 at 13:01:37:
You will pump water to each zone on the command of the thermostat to a relay to start the pump and the boiler burner; you don't need zone valves. Get a control that handles three zone valves, such as the TACO SR503 - 1 multiple circulator controller and the wiring will be easy.