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Programing Rth230b Thermostat
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I have had my Honeywell RTH230B thermostat professionally installed. The installer left me with "you can program this when you have the time." We experienced a heat wave and I can't blame him since he was inundated with service calls. I have the 4 page Installation and User Guide in both English...
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I've read numerous threads on this model but could not find a solution. I just replaced my old thermostat with this model. The wiring on the old thermostat went as follows: Red - Rc jumped to Rh White - W Green - G Yellow - Y When I removed the old thermostat I noticed there was a blue...
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I installed a RTH230B Thermostat this winter. Heat worked fine all winter. Went to turn on the air this week and it wouldn't come on. I have 5 wires (Red, Blue, White, Yellow, Green). The thermostat has connections for Rh, Rc, W, Y, and G. I had the yellow wire in Rc and the blue wire in Y. I...
Honeywell RTH230B Thermostat
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I recently installed Honeywell #RTH230B thermostat to replace and old Honeywell # T87F( old round non digitital type). I have oil burner with basebaord water heat. Since my olf thermostat was 2 wire only and I have no AC I pulled the jumper wire between Rh and Rc as per the instructions. Thj9is...
Honeywell Thermostat RTH230B
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I see there are a few questions on this one, but mine seems simple. I have Red, Yellow, Green and White leads from the old Thermostat. I have no idea where to place the leads, in the channels under the screws or the channels on top. My leads do not reach from out of the wall to go under, and if it... View more questions Search
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