How to mend Heating System Honeywell

Wireless time clock broken?

Honeywell CM61 I think is the make and model and gas heating system. Can we just replace with a new clock or d... [Read more]

Boss wireless thermostat?

I followed the instructions given on the forum and reset the system, the heating comes on for a short while th... [Read more]

3

Ideal Classic no heating but have hot water?

HI all, i have just found this fabulous site, I wonder if anyone could help as right now things are just miser... [Read more]

2

Potterton Programmer not controlling stat?

I developed a fault on my Potterton system as a direct result of trying to change the in room stat (Potterton ... [Read more]

1

Converting to Y Plan system?

I am converting my heating system to a Y Plan using mainly Honeywell parts for the wireless room thermostat (H... [Read more]

1

isar he30?

help , i have a isar he30 combi boiler the problem i am having is heating is turned off via honeywell cm927 th... [Read more]

boiler trouble?

my digistat rf2 wireless system is constantly turning off my heating systems

3

heating, Oil boiler not running?

Having just drained my heating system to replace a number of failing radiators,I have re-filled the system but... [Read more]

Baxi Bermuda 401 ?

having just fitted a new electrical programmer after old one kept clicking and flashing and not lighting up ce... [Read more]

heating is erratic sometimes on then goes off fitter says system is overhea?

fitter seems to think system is overheating due to eitherpump grundfos1550 or programmer honeywell st699 being... [Read more]

1

Radiators not all working all the time???

We have a problem with our heating, we think it started after we bled some radiators and took one off to wash ... [Read more]

1

How can i marry my honeywell CM921 the the BDR91 relay box?

we have a Honeywell CM921 thermostat and a BDR91 relay box, for the past two years was working fine. However r... [Read more]

domestic heating system. honeywell plan 'Y'?

How do I clean my Potterton Kingfisher boiler ie burners etc?

Central Heating not coming on ?

Only get the central heating to come on when running the hot water,it's an old system with pre- lagged cylinde... [Read more]

Baxi Combi80 Eco No pilot light, no heat or hot water?

HI All, Think that this should be quick. Baxi Combi80eoc. Everything appears and sounds to work. Switc... [Read more]

1

Programming Honeywell CM921?

Hi: The heating engineer installed this unit during installation of a new boiler. This is a 1 day wireless pro... [Read more]

1

c h boiler heats HW supply only,no central heating?

My system is a fully pumped central heating installation, with room & cylinder thermostat. Could the motorise... [Read more]

How do I fix water hammer just started on closure of hot water valve?

My central heating system (vented, not sealed - boiler replaced about 4 years ago) has suddenly developed a lo... [Read more]

1

hot water but no heating?

hello. i have a worcester danesmoor oil boiler, its a sealed system, honeywell st699b programer honeywell V... [Read more]

1

Safety Release Valve, RSF84?

My central heating keeps loosing pressure. The drain off pipe on the outside drips when the heating is on. Wi... [Read more]