How to mend ... Combi Central Heating Ok Hot

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 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]

Vokera combi- flashing 04?

Came home to find no hot water or central heating, light and error code 04 flashing. Appear to have no pressu... [Read more]

worcester 24i combi heating system?

hot water runs ok but no central heating. i think it may be the timer switch can i connect the wires to overri... [Read more]

ariston combi boilers CENTRAL HEATING NOT WORKING?

WHY IS THE HOT WATER WORKING AND NOT THE HEATING

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]

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'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 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]

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]

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]

how can I fix my central heating firebird 90 combi?

hot water working ok but not heating radiators, pump is working ok as new but not firing up for central heatin... [Read more]

britony combi 80?

central heating works but no hot water

Losing pressure?

My combi boiler normally has between 1-2 bar pressure on the gauge but recently it has been losing pressure ov... [Read more]

how can I fix my baxi 105e combi?

my baxi 105e thinks the hot water tap is running all the time and won't switch to the central heating.could th... [Read more]

My central heating boiler keeps tripping out?

My combi boiler keeps tripping out, which means i have no hot water or heating. I can reset it at the boiler a... [Read more]