How to mend ... Ch Central Heating

ace high boiler problem?

replaced diaphram and diverter valve service kit , ch working ok , in dhw only mode both central he... [Read more]

Problem with my potterton 2000 programmer?

The HW constant switch will turn the boiler on but I have no central heating as the CH constant switch has no ... [Read more]

Potterton Profile 100 CH but no HW?

My boiler seems to fire up ok, do the central heating ok, but there is no hot water at the taps/shower.

Alpha 280e?

It is 10 years old there is a lack of hot water, i can only get hot water from it if i have the central heatin... [Read more]

Potterton Puma 100 - slow hot water supply?

Have a Potterton Puma 100. central heating works fine but when drawing hot water it remains cold/cool until ra... [Read more]

potteron profile 100e, hot water, no central heating ?

can anyone shed some light on the matter? we have no problem with the DHW system, but we have no CH at all. Wh... [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]

Worcester Bosch Highflow 400 rsf boiler problem?

I have a problem with my Worcester Bosch Highflow 400 rsf boiler. If hot water is on, I cannot get central hea... [Read more]

why does the DHW work and not the Central Heating Worcester 24i rsf combi ?

the pressure is fine the boiler fires up when you run the hot water but the CH is not working. Have put it on ... [Read more]

Central Heating and Water on continuously?

New CH pump fitted a month ago by a registered plumber. Since then the Central heating and water runs continuo... [Read more]

Rayburn Driven Central Heating Problem - Upstairs Cold?

I have a Rayburn Gas CH system with a seperate pump. The cooker / boiler is in the basement kitchen with 3 ra... [Read more]

Gas is not igniting in the small see thru window whilst both CH & water on?

Any suggestions how to fix my glow worm bolier that the gas is not igniting whilst central Heating & Hot water... [Read more]

got CH but burner wont light for hot water. help?

the burner fires normally for central heating but when you select hot water the light comes on but burner does... [Read more]

Hot Water But No CH Poterton Neataheat Profile 30e-80e?

In addition the my previous question (with same title), I managed to get the Central Heating (CH) working for ... [Read more]

Hot Water but no CH Potterton Netaheat Profile 30e-80e?

In the last day or so we have noticed that we are getting hot water but no Central Heating (rads are cold etc.... [Read more]

Hot water ok but what's wrong with central heating?

That time of year to turn on central heating. Hot water been working fine all summer, tried CH today but no jo... [Read more]

pressure loss in my Vaillant boiler?

my vaillant boiler model VC GB 242 EH is installed as a pressurised central heating & hot water system. The... [Read more]

Horstmann channelplus model H37 - ch won't come on?

hi - have just tried to fire up my central heating and it won't work. I pressed the middle button which is th... [Read more]

Fer Falcon no central heating?

Decided to put on my central heating tonight only to find out it no longer works, my hot water works fine but ... [Read more]

No hot water & central heating - Sime Super 90 combi boiler?

Combination boiler is 9 years old, no hot water or central heating. When hot tap turned on switch clicks but p... [Read more]