Wednesday, February 10, 2010

Weathertron To Honeywell I'm Trying To Upgrade An Old 8-wire Mercury Thermostat To A Digital Programmable. How Do I Connect The Wires?

I'm trying to upgrade an old 8-wire mercury thermostat to a digital programmable. How do I connect the wires? - weathertron to honeywell

Instructions are only cable systems 2-5, not 8-wire. They are even compatible? Passing a 239 Trane Baystate Weathertron a Honeywell RTH230B. Thank you.

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