Honeywell Rth6400d Thermostat - RTH6400
Honeywell Rth6400d Thermostat
Similar Questions
Rth6400d Wiring Question
My old thermostat had a black wire going to terminal C. Where do I put the black wire on my new HW R...
My old thermostat had a black wire going to terminal C. Where do I put the black wire on my new HW R...
(Posted by imagine585 7 years ago)
My Thermostat Will Not Respond To Any Of The Setting Buttons Even With A New Bat
This thermostat is about 15 years old. Does it need replacing -even with a new battery is will not a...
This thermostat is about 15 years old. Does it need replacing -even with a new battery is will not a...
(Posted by deborah7 10 years ago)
I Installed A Honeywell Rth6400d Thermostat In My Home
I installed a Honeywell RTH6400D thermostat in my home and when I installed it found that the heat w...
I installed a Honeywell RTH6400D thermostat in my home and when I installed it found that the heat w...
(Posted by barrycurcio 12 years ago)
Thermostat Screen Is Blank And Won't Turn On The Ac Or Heater?
Thermostat screen is blank and does do anything. It does not turn on the ac or the heater?
Thermostat screen is blank and does do anything. It does not turn on the ac or the heater?
(Posted by avandor11 12 years ago)
How To Connect The 2 Wires From My Existing Thermostat?
I just bought a Honeywell RTH6400 series thermostat but I have problems to connect it. My old 24v th...
I just bought a Honeywell RTH6400 series thermostat but I have problems to connect it. My old 24v th...
(Posted by huguessimard300 13 years ago)