How to mend Central Heating Boiler Thermostat

9

Boiler fires up when demand for hot water but doesn't when demand for C/H?

I have a Potterton Netaheat Profile 80e boiler, Honeywell V4073A mid-position valve, Honeywell ST699B programm... [Read more]

4

how can fix my baxi combi instant boiler 105e?

the little LED's are lit up to show that theres no flame, theres a fault on the fan or flue and the safety the... [Read more]

1

Potterton Suprima/Suprima L. constant central heating?

We cannot get our central heating to switch off unless we switch off the boiler. When calling for hot water on... [Read more]

2

Ravenheat CSI-85 Combi, erratic operation, any ideas?

Boiler now 2 years old. Works fine generally, however it has now started to operate even when the settings sa... [Read more]

1

How can I fix my modena 80 e ferroli boiler?

My central heating boiler is not working. I have switched the thermostat on and the boiler is not firing up. T... [Read more]

1

Baxi Bermuda boiler not igniting?

My Boiler won't ignite to either heat water for the taps or central heating. The pilot light is on. The thermo... [Read more]

3

Faulty Ideal Classic NF80 Combi Boiler?

Hi, our boiler will not work properly. When it is switched for hot water only it fires even if the water is no... [Read more]

1

boiler not staying alight for long when hot water switched on?

when the hot water is switched on the boiler lights ok but only stays on for short period of time. water does ... [Read more]

3

Worcester 350 Combi Plate heat Exchanger - Is engineers diagnosis correct ?

We have a Worcester 350 Combi and recently when we have been running the hot water the system has been overhea... [Read more]

4

How to fix a biasi 24s combination boiler?

Biasi 24 s combi boiler. The problem is the central heating comes on randomly even though the thermostat for h... [Read more]

4

What is causing my boiler to randomly operate the central heating?

My boiler, a Potterton Puma 80e, works fine on the hot water cycle, but randomly operates the central heating.... [Read more]

1

My boiler is heating the hot water but not the radiators?

I have a Glow-worm conventional boiler but at the moment the boiler is heating the hot water but not the centr... [Read more]

1

Central Heating Control?

Every ten days or so the central heating system ignores the programming set into the clpock programme. It rem... [Read more]

1

Problem with central heating, could it be a fauly room thermostat, urgent!!?

Hi, this week my ideal isar combi boiler has developed a problem. The problem is that it now only supplies the... [Read more]

3

how can fix my Vokera compact 28 boiler hot and cold water issue?

i'm getting hot and cold and then hot again water every time with shower or tap. central heating ok. is it a e... [Read more]

2

baxi solo wm/4rs?

pilot light on when thermostat is swiched on pump starts boiler does not ignite for hotwater or central heatin... [Read more]

2

central heating not coming on -boiler will not kick in?

I have a Baxi Bermuda Back Boiler, it is 12 tears old, the hot water system works fine , but when the timer is... [Read more]

1

Potterton Profile 30E keeps tripping on Central Heating?

My Potterton Profile 30E keeps tripping off and requires the reset button to be pressed to restart. This typic... [Read more]

10

Baxi Solo 50/4 Wall Mounted PF Burner Shutdown Problem?

My Baxi Solo 50/4 Wall Mounted PF gas fired central heating boiler ignites when the thermostat calls for heat,... [Read more]

1

how to rewire from scratch my central heating system?

we have a baxi bermuda back boiler central heating system that is twenty years old now. we have replaced the p... [Read more]