How to replace light bulb in my honeywell thermostat? Model # RTH5100B?
Jul 13, 2010 by jim s | Posted in Maintenance & Repairs
Usually these are permanently soldered to the thermostat, and requires replacement of the entire device in order to get a new bulb, especially those that use LCDs.
Hopefully replacement of your device isn't too costly, I replaced several thermostats
Yuzuha S | Jul 13, 2010
Honeywell Thermostat Rth5100b Part
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