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Posted by Heatpro on December 20, 2005 at 20:31:27:
In Reply to: Combining transformers posted by John on December 20, 2005 at 18:37:59:
The honeywell aquastat is overloaded with the gas valve and three zone valves. The SR501 transformer is for the relay inside it. You'd do better pulling the three zone valves off the 8124 and wire them to a seperate 40VA transformer, so you don't have a chance of miswiring or damaging either.
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