How to mend ... Combi Boiler Hot Water Heating Pump

old vaillant?

I have a 13 year old Vaillant combi boiler and the heating works but it's not heating the water, so I have no ... [Read more]

problem with Sime 105 Super Mk 2?

Hi, I have a problem (again) with my Sime combi boiler. When the burner flame switches off on either heating o... [Read more]

Alpha cb24 boiler no heating but hot water ok?

I have an Alpha CB24 combi boiler. The heating fires up for between 10 seconds and 3 minutes the cuts out keep... [Read more]

Boiler and Hot water not working properly-easy fix?

Hi, My oil-filled heating system isn't working. I have an external Grant combi-boiler, and suddenly, 3 days b... [Read more]

vokera combi boiler hot water but no heating?

when i turn heating on no heating at rads boiler overheats &shuts down pump seems to be working on setting 3 b... [Read more]

How do you fit an external switch to a Grundfos 15/50 pump?

How do you fit an external switch to control the variable speed on a Grundfos central heating pump fitted to a... [Read more]

Worcester 240 - one cold radiator?

Hi, I'd be grateful for your suggestions on the following problem - I's got me stumped! My Worcester 240... [Read more]

Thick smoke coming from outside flue?

Thick smoke coming from outside flue, no hot water, no heating. We have had new pump, new tubes, new nozzle. C... [Read more]

dhw continues to run even though the taps are off?

I have a baxi instant 105e combi boiler. often the pump continues running even there are no taps in use. The w... [Read more]

potterton combi 80 boiler no heating?

i have a potterton combi 80 boiler i have hot water ( no taps dripping ) but no central-heating but the pump s... [Read more]

central heating ?

my potterton combi 80 boiler heats water with no problem, however the central heating does not work, i put ... [Read more]

how to fix my valliant combi boiler?

i have a vailliant eco max combi boiler it gives us hot water no problem but when we turn the heating on it wo... [Read more]

How can i fix my Vokera Compact combi boiler ?

When i put my boiler on to central heating it fires up then runs for roughly 5-10 seconds then the flame goes ... [Read more]

Ravenheat CSI 85T?

Hello, I've had a good look around this site and can't find an identical issue, so I'm hoping someone can h... [Read more]

Problems with Ravenheat Combi RSF Fanned?

Boiler has no markings on, but have manual that says... Fanned Combi RSF 84E - RSF 100E RSF 84ET - RSF ... [Read more]

How Do I Rid Hot Water Brown Colour ?

I have a Myson Midas BF Combi Boiler. Early model ? This model has two pumps with electromechanical timer. One... [Read more]

BAXI 105 HE COMBI?

I have had the same problem for months now gas have been out 8 times the red pump/water pressure light keeps ... [Read more]

baxi 105HE combi is short cycling?

my Baxi 105HE combi boiler works ok for hot water but in heating it runs for 5 seconds and off for 15 seconds ... [Read more]

My central heating is lukewarm?

Can anybody help me pleeeeeeeeeease my hot water works but my heating is hot at the nearest rad but fades to n... [Read more]

Saunier Duval Boiler - SD30e cutting out?

Hi, I have an SD30e combi boiler (exactly the same as a Glow-worm compact) and recently a diaphragm had to be ... [Read more]