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Hi I have an old radiator that needs replacing. Its around 15/20years old, and I believe it could be a Stelrad. The length is approx 175/180cm long and 60cm high. it is a twin panel with a single convector in between the panels. it has approx 43 raised sections along the front panel. The...

Tried pulling batteries. but no change. I will return it. Many thanks Dan for your help. Just a point, apart from the readout, the system works fine. James

uploaded picture As I say, the whole screen is filled with icons.

Picture of faxe of stat

pictures of stat

Your remark is uncalled for mickyg. We are not all knowledgeable on these controls, but thankfully there are people like Dan who is prepared to help.

It's more about look on the wall, than anything else. The recommended height looks a little silly on the wall. Since posting my original request, I have set the system up, but am finding that the digital display seems to be showing all icons on the screen, which seems wrong to me. Have you...

Hi Dan I'm back. I'm just about to install the new Honeywell CMT921 wifi system. I note that Honeywell show the controller at a height of 1.2 metres. This seems rather low on the wall. Is there any reason why it can't go a little higher, say 1.4 metres? James

Thanks Dan, you have been a great help. James

Do happen to know the difference between the CM921 and the CMT921

Understand now. Is the cm92x the same as the cm721

My existing live wire comes from a terminal black marked "CHO" and this is controlled by the programmer. Could it not say in that position. If I put the wire as suggested into a live feet, or place the system on constant for heating, will this not leave the heating on 24 hours a day.

Looking at the diagram for the RF receiver. It looks like the same wiring, regardless of direct boiler or zone valve. Is my thinking right.

Sorry to be a pain, but the existing wiring is three wire and earth. Is it not possible to use the existing wire and just move the wires around in the connection box next to the boiler, and then I can site the RF receiver in place of the existing thermostat.

Thank you for the information.

Many thanks Dan. I understand that the existing wiring will be redundant, my query was regarding the wiring. Do I now only use two wires for switching at the. Receiver, that's apart from the 240volt supply, and ignore the third wire.

A simple question. Can I replace my existing Honeywell T6360B wired thermostat with the Honeywell CM721 or 921 WiFi model. The reason for doing this is to relocate with minimum disruption. My existing stat has three wires. Will I only need to use two of them when I wire the receiver. My...