Looking for a Honeywell CMTA Programmable Thermostat? You can order online today at great prices and collect in your local branch or have it. Installation Guide. CM / CM Wireless Programmable. Room Thermostat & BDR91 Relay Box. Description. The Honeywell CM Wireless (CM or. Honeywell CM In my home (includes DIY) MoneySaving. There’s something about resetting the programmes on page 13 of the manual?.

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Please enable scripts and reload this page. Its only 3 years old but honejwell display is breaking up and failing, makes it near impossible to programme etc. Description Reviews 7 Questions?

Gadget itself paid for itself in a year as it is very efficient at calling for just enough heat to warm the house. I have a cm works fine but digits on control screen faded some figures not eligible.

Only Manuual can’t set the program manuap is because the controller missing some digits. The optimisation feature – it learns how quickly your system heats to set temperature and adjusts on time acccording to how cold the house is – works very well.

Honeywell CM927 Manuals

Enter your email to be informed when this product arrives: I would recommend following the route of the hot pipes when only that zone is on. I am re-newing an existing CM, will it work immediately or do I need to tune it in many thanks A: I’m afraid not as the CM is battery powered, but the receiver is mains powered, so you will need a mains connection. It has optimisation and automation features.


Any advice mxnual help would be appreciated as my local heating expert has just about given up!! Does this control hot water? I have a CM controlling a conservatory heated floor.

Can Manua, just switch a cm box for the cmt box A: D I have to replace it with a CM not impressed with a solid state device failing after 3 years or is there an alternative that will do the job?

What is the guarantee period?

So what can I do. I like all the features of the wireless Honeywell but do like a one hour boost for coming in late at night or coming home unexpectedly.

Room stat has started to xm927 a problem in that the digits are not displaying properly.

Honeywell CMT (CM) Wireless Programmable Room Thermostat

Honeywelo would leave the existing programmer which is outside the building with the boiler on 24hours A: The receiver and the controller both still working. Hi will this work with a Main Combi 30HE boiler. Will the CM operate more than one zone valve for heating purposes? Thanks very much for your advice.


Would this would with these. Drinking Water Protection Thermal Disinfection of hot water. Hello, Your privacy is important to us.

It will connect to the same 4 wires. Is this compatible with a Biasi Garda M96 combi boiler? Do I need the stat and receiver unit or just stat?

Honeywell CMT927 (CM927) Wireless Programmable Room Thermostat

honeywe,l We are not currently recommending the CM due to quality issues. If the light is going off, then the problem will lie with the receiver or another component e.

If this is not a similar replacement then what is?

Will there be a 3rd valve somewhere in the system and if so how the heck do i find it??? Is there a way to fix this? Welcome visitor you can login or create an account. I’ve got a CM, however when I put the slide to the off position, the radiators are still warming up even though the room temperature is over 19degC Manuap help A: Very pleased with the product and the service.

Click to read more Heating Controls Honeywwell reviews at Reviews.