View Full Version : Miller thermostat change to honeywell visionpro serie th8000 only have 2 wires

Jun 17, 2010, 07:19 AM
How do I setup the honeywell with only 2 wires? 1 wire was hooked to W and 2nd wire was hooked to R on old one.

Jun 17, 2010, 02:59 PM
Is this unit located in a mobile home? Does the furnace have a switch for cool/off/heat?