Question about Heating & Cooling
I'm trying to wire (2) Honewell zone valves to my Weil McLain CG series boiler. The manufacturer's diagrams are confusing. I'm using a 24V transformer and have one circulator pump. My confusion lies around how to tie into the existing boiler circuitry. I found your 2-wire thermostat with a 3-wire zone valve helpful, but my zone valve has 4 wires, and I need to know how to tie it into my boiler.
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Posted on Jan 02, 2017
SOURCE: I have a Weil-McLain hot
Hello.Prob#1 valve has a bad END SWITCH,change the power head,thad brings the circ on when open.Prob#2 try manual overide lever.iS IT TIGHT OR SMOOTH?DOES IT JUMP/SNAP?motor very hot? all bad signs.Change that power head too.The transformers are OK because 1 trans can only run 3 valves max.
Posted on Sep 21, 2010
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