How to mend ... Combi Heat Water

Rad hot even when boiler on hot water only setting?

Main radiator (in room with room thermostat has 2 locksheild valves) is always warm/hot even when combi (voker... [Read more]

heatline C28 boiler provides a low ch output ?

Heatline C28 combi boiler fails to provide adequate heat Raises temperature of water to 80/90 degrees then fl... [Read more]

New Glowworm 24c betacom- not heating radiators?

We had a brand new Glowworm 24c beta com combi boiler installed last week, with a digital thermostat in the li... [Read more]

How can I fix my worcester 15/19 oil combi boiler [heatslave]?

Boiler keeps demanding hot water when heating comes on and will not heat rads. Have replaced diverter valve a... [Read more]

vokera linea 24 combi boiler problem?

when my boiler switches on to heat water in both heating and or domestic mode the green light changes to flash... [Read more]

britony combi 80 no central heating???

i have a britony combi boiler 80, the hot water works fine when called for but when asked for heat for the CH ... [Read more]

combi boiler heating?

i have a heat line solaris 3 boiler it keeps flashing low pressure of between 0.6 and 0.9 bar so i top it up t... [Read more]

How can i fix my potterton combi 80?

I have plenty of hot water but when I put the heating on the boiler runs for about 2 minutes then cuts out th... [Read more]

Combi Boiler Sime90?

Heating working but the hot water running hot cold hot cold. Engineer so far has replaced Thermistor, Plate he... [Read more]

No hot water from Ocean 240 combi boiler?

I have an ocean 240 combi boiler. The central heating works fine but it does not heat up the hot water. Can an... [Read more]

How can I fix my combi boiler?

When you turn on the hot water, the radiators heat up at the same time so when you have a shower the water goe... [Read more]

How can I make the central heating start?

What does the code d2 mean on the ferroli optimax HE31C combi boiler? The hot water works well. We have put ... [Read more]

Room stat query regarding a relay?

Need to fit a ferroli combi for a customer, the only thing is the combi also goes through two zone valves to g... [Read more]

How can i increase the heat on a potterton performa 28 combi boiler?

I have a potterton performa 28 combi boiler. The hot water is fine but the heat wont go above 50 and therefore... [Read more]

What's wrong with my Worcester 350 combi boiler?

My Worcester combi sometimes shuts down just after it lights to heat the water for the central heating. It see... [Read more]

HOW CAN I FIX MY COMBI BOILER model vcw_ sine 18 t3 wf h valliant?

valliant combi boiler vcw_sine t3wf h,boiler fires up to provide hot water but wont fire up to heat the radiat... [Read more]

home heating?

Baxi combi 80eco. When hot water is run, rads heat up even when switched off. Boiler stays on for ages after... [Read more]

my ariston microgenus combi when i use the shower will fire up but no hot w?

is the problem the diverter valve if the boiler fires up for hot water but doesn't heat the water.this happens... [Read more]

no hot water?

30 year old vaillant combi boiler, when i turn the hot water tap on it does not heat the water instead it heat... [Read more]

Eurocal oil fired boiler - HOT water for 60 seconds them only warm water?

Hi, I’m hoping you can offer some assistance with a 5 years old (Approx) Eurocal Oil-fired combi boiler ... [Read more]