Answer by Paul for Where do I connect my C wire from my thermostat when there...
For others looking at this post years later...I just spent a night researching this. Seems like this worked for the OP, but watch out on steam or other gravity fed systems. For a simple single zone...
View ArticleAnswer by Tester101 for Where do I connect my C wire from my thermostat when...
Okay... After reviewing your new photos, I think I have it figured out. This is what your system looks likeYou'll have to excuse the glitter pens, it's the only thing I could find on my wife's...
View ArticleWhere do I connect my C wire from my thermostat when there are two transformers?
I have a Laars gas boiler that has 3 heating zones. I want to replace the old mercury honeywell tstat on the 1st floor (heat only) with a newer honeywell RTH9580 wifi model. I've taken pictures of my...
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