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Can I replace my Honeywell thermostat?
You can replace an old analog thermostat. You’re presumably replacing your old dial-type Honeywell thermostat with a programmable or smart thermostat. Of course, your heating system may have needs that only specific types of thermostats can address, so do your homework before you buy.
What is the replacement for the Honeywell CM927?
The CM927 is a 7 Day Programmable Room Thermostat, that is no longer manufactured. The T4R (Y4H910RF4003) is the current replacement.
How do I reset my Honeywell CM921?
Can I perform a factory reset on the CM921 and CM927 Programmable Thermostats?
- Press the button to get to 19:FS (category 1) parameter.
- Press the and buttons to change factory settings.
- Press the green button to confirm the change.
- Set back to MAN or AUTO in order to exit the Installer Menu.
When to use the Honeywell cm921 thermostat series?
The CM920 series can be used to control the heating circuit in a Sundial S or Y Plan and is particularly well suited to control combination boiler installations or additional zones in a S Plan Plus system. The CM921 is for use where heating needs are the same from day to day.
When to use Honeywell cm927 24hr programmable radio frequency room?
The CM927 is for use where heating needs are different from day to day. Two wire, volt free connections are ideal for use with combination boilers. Can’t see what you want?
What is the Honeywell 7 day wireless thermostat?
Product description CM927 7 Day Wireless Programmable Thermostat The CM920 series of Wireless Programmable Thermostats is designed to provide wireless time and temperature control to heating or cooling systems in domestic and light commercial buildings.
Is the Honeywell cm927 a programmable roomtat bnib?
They are quite nice to use but the receiver is a bit annoying to install because there isn’t room to run 5-core behind it so you have to channel the wall a little bit. Siemens RDJ10RF/SET-GB Programmable Roomstat BNIB Bargain !!