Question about Honeywell Electronic Programmable Heat/Cool Thermostat - CT3300A100 Heater
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Posted on Jan 02, 2017
This will depend on type of system, standard high efficent furnance or heat pump. The orange terminal is for the reversing valve on the heat pump for the cooling cycle. Your best bet would be to get a thermostat that is fitted to your furnace instead of a universal t-stat. If I knew what brand of furnace, I could be more help.
Posted on Jun 01, 2009
SOURCE: where does the W2 wire go?
w2 wire is second stage heat does your furnace have two stages.look at gas valve it would have 2 valves/ sol w2 will go to w2 on stat. if a single stage furnace w2 is not used
Posted on Jan 25, 2010
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