How to mend Boiler Central Heating Combi

ho to repair?

ARISTON EURO COMBI A/23 WORKS OK FOR HOT WATER BUT WHEN SWITCHED TO CENTRAL HEATING THE BOILER SHUTS DOWN (RE... [Read more]

How can I fix my Halstead Ace high Combi boiler?

Pressure in the central heating system is dropping with no apparent leakage

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]

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how can i fix my combi boiler ( glow worm swiftflow-s.i.t )?

why does the pressure fall well below the recommended setting after the central heating has been on

ferolli modena combi boiler?

The hot water works fine but the central heating wont come on in either clock mode or auto mode. Changed the h... [Read more]

how can i fix my valiant combi boiler?

Just had servo value changed and still not getting central heating to come on, when in constant mode and hot w... [Read more]

how can i fix my valiant combi boiler?

Just had servo value changed and still not getting central heating to come on, when in constant mode and hot w... [Read more]

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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]

Vaillant VCWGB242EH GC 4704413 Combi goes out immedi?

Hi, am working on the above boiler, was leaking at the auto air vent so tested the expansion vessel to find it... [Read more]

what can be the problem with my combi boiler?

hi can anyone help me. i have a static caravan with central heating run by a worcester 24i rsf combi,when the ... [Read more]

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Fix small leak in central heating system?

My (new) oil combi boiler loses pressure from 1 bar to 0 in about 24 hrs showing I have a weep in the system p... [Read more]

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putting up pressure on Greenstar 30Si combi boiler?

My pressure is on 0 and although the central heating is good, I have none in the loft conversion in the attic.... [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]

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HOW CAN I FIX MY VOKERA BOILER LOSING PRESSURE WHEN CENTRAL HEATING ON?

HOW CAN I FIX MY VOKERA LINEA 24 COMBI BOILER LOSING PRESSURE WHEN CENTRAL HEATING ON WITH WATER COMING OUT OF... [Read more]

Why does my Biasi combi boiler central heating pump run constantly?

I am not sure if this is normal or not, but mr combi boiler's pump runs constantly when on. It turns on and of... [Read more]

no hot water in combi?

i have a vailant combi boiler roughly 25 years old, everytime i turn the hot water on the central heating come... [Read more]

dhw? on combi boiler?

The central heating side of the boiler works but the dhw does not. If you run 2 taps for a while eventually th... [Read more]

How can I sort out pressure on my Worcester combi boiler?

The pressure gauge on my Worcester Bosch Combi boiler suddenly shot up to maximum and water was running from t... [Read more]

My Worcester 24i Combi was working perfecly until I ran hot water tap?

Last night my Worcester 24i Combi was working O.K. until I turned on a hot water domestic tap. However, after ... [Read more]

PROTHERM 80E?

my protherm combi is permantly switching to the central heating and even when in summer mode.And only closes d... [Read more]