Honeywell RTH230B 5-2 Day Programmable Thermostat for sale online | eBay
User manual Honeywell RTH230B (English - 4 pages)
How to Install a Programmable Thermostat - YouTube
Does anyone know what model this Honeywell thermostat is? Having an extremely difficult time identifying it to find the manual for programming… thinking of just replacing it. : r/hvacadvice
Random Teardown #006: Honeywell RTH230B Thermostat - YouTube
Thermostat Honeywell RTH230B digital - electronics - by owner - sale - craigslist
NEW Honeywell RTH230B 5-2 Day Programmable Thermostat | eBay
Honeywell RTH230B 5-2 Day Programmable Thermostat for sale online | eBay