Model RTH221B - Honeywell
Model RTH221B
Similar Questions
Lamp Replacement And Size / Model Of Lamp
Lamp apparently has burned out, need size/model and availability and if I can install it myself
Lamp apparently has burned out, need size/model and availability and if I can install it myself
(Posted by walterwiley 8 years ago)
Installed Model # Rth221b Honeywell And Heat Will Not Turn Off
(Posted by bullwhfl 9 years ago)
Furnace Is Off. 30 Degrees Outside. New Baby. Have Model Thermostat T8112d10050
How to get furnace on with this model? Have new AA batteries. They were dead.
How to get furnace on with this model? Have new AA batteries. They were dead.
(Posted by pogowills5 10 years ago)
Model Rth221
Set the time and then after about 1 hour time resets to 12:00 and starts flashing. This only started...
Set the time and then after about 1 hour time resets to 12:00 and starts flashing. This only started...
(Posted by cherylhutchinson 10 years ago)