How to mend ... Change Central Heating Boiler

Problem with Potterton Promax HE24 Boiler?

The hot water system works ok. I have fitted a thermometer to the outlet from the boiler and this goes up to o... [Read more]

diverter valve not operating?

Hi I am having a problem with my potterton performa 28i boiler. Central heating works fine. Dhw giving cold ... [Read more]

Potterton EP4001?

I have a EP4001 attached to my central heating and even though there is power to the unit, it won't fire up th... [Read more]

valliant eco plus 837 boiler ?

hi i have a vaillant eco plus 837 boiler , and recently had a small pipe change for shower head to downst... [Read more]

Problem with Ideal Isar HE24?

Hi All, I wonder if anyone can help me. The problem that I am having is that the central heating does not see... [Read more]

no hot water?

i have got a optimax 25c boiler central heating is working but no hot water,i have change the pump diverter, f... [Read more]

worcester cd35i ii pressure problem?

i have a problem with my combi worcester cd35i ii the pressure of the unit is at just over 1 bar and when you ... [Read more]

baxi wm51/3rs?

i have drained the central heating system to change a radiator and add some tvrs i have put the water back on ... [Read more]

Cost for changing a Vailant diverter valve???

The central heating are not working, so we have been told to change the diverter valve to our Vailant boiler. ... [Read more]

vaillant ecomax 824e flashing e20,e13,f20. How to fix it?

Thing is, that my boiler (which is vaillant ecomax824e) use to go through these codes e20 and then f 20, or e1... [Read more]

Heatline C24 virtually no hot water to Bath taps unless tap open only a bit?

Hi The heatline 24 combi boiler supplies hot water to bath taps only when run very low, ie tap on only a litt... [Read more]

Can can I fix an airlock in the central heating system?

I have recently had a new valliant eco plus gas boiler fitted, along with 13 new lockshield valves and TRV's o... [Read more]

how can i fix my boiler, valiant turbo max242E?

although the boiler is constantly giving central heating, the hot water is not always awailable or the water t... [Read more]

Vokera Linea 28 combi boiler DHW problem?

My central heating works fine on the boiler, but the domestic hot water (DHW) does not, barely gets above 30 c... [Read more]

Sime super 90 plus problems?

Hi, We have a super Sime 90 plus boiler and about a year ago we had to change the dreaded diaphram in the dive... [Read more]

lukewarm water to my shower and bath but fine elshere in house?

Since the cold weather arrived, my new shower (Triton Mira, 2 levers, 1 for temp, the other for flow) and new ... [Read more]

Boiler stays Lit but look warm?

I have a modena 102 combi and have just put in new heat sensors for for the CH and DHW as the flame kept going... [Read more]

Ferroli DOMIcompact F24B losing pressure?

My boiler has been losing pressure for some time. It only appears to lose pressure when the central heating is... [Read more]

hot water problem?

i have an alpha cd32c combi boiler(4 years old) and when i turn the hot tap on the hot water flows but then it... [Read more]

Potterton Promax 24HE - No Central Heating?

Since the weather turned colder a couple of weeks ago we have been unable to have heating without the hot wate... [Read more]