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View Full Version : Honeywell rth3100c wiring question


skipper25
Jan 10, 2010, 01:12 PM
I am trying to replace a 4 wire t-stat with rth3100c the old system is split with gas heat is it possible? I don't have w terminal on new t-stat.

hvac1000
Jan 10, 2010, 01:17 PM
See page 16 item 3

http://customer.honeywell.com/techlit/pdf/PackedLit/69-2340ES.pdf