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We have 2138 questions about mending 'combi boiler heating'

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Mend Heating, Home Heating Systems

Viessmann Vitodens 100 30kw combi?

Help/advice greatly appreciated. The boiler is heating water on demand but not heating rads. I’ve tried rese... [Read more]
Mend Heating, Home Heating Systems

Ravenheat heating thermostat transmitter does not work?

My Vaillant combi boiler provides hot water but the Ravenheat transmitter type thermostat has stopped working ... [Read more]
Mend Heating, Home Heating Systems

my boiler does not flair up when i pu heating on ?

the make of the boiler is sorry i dont know but it s an old combi it heats the water and raidiators and it d... [Read more]
Mend Heating, Home Heating Systems

water is not heating up instantly like it suppose to with combi boilers?

hi everyone i have an halstead ace high combi boiler, who doen't fire up instantly, when it does the water ha... [Read more]
Mend Heating, Home Heating Systems

baxi 105e combi?

does any one know out there why does my boiler go hot and cold stays on for one minute then goes off central h... [Read more]
Mend Heating, Home Heating Systems

modena 80 E combi boiler?

my boiler heating/hotwater is working,but yesterday i noticed that water was been expelled via the over flow.o... [Read more]
Mend Heating, Home Heating Systems

new worcester 550I combi boler?

When the hot tap is opened fully the temp of the water increases until the boiler trips out .Worcester service... [Read more]
Mend Heating, Home Heating Systems

Glow-Worm 30cxi combi boiler. No hot water.CH ok?

Turning on hot tap produces 30 secs.tepid water, then permanent cold. Central heating fine. Pressure 1.5 bars.
Mend Heating, Home Heating Systems

Glow-Worm 30cxi combi boiler?

On turning on water runs tepid for 30 secs. then cold thereafter. Pressure indicating steady 1.5 bars. Central... [Read more]
Mend Heating, Home Heating Systems

Biasi boiler high pressure problem?

I have a Biasi GARDA HE M96.28SM/B2 (combi) that keeps going to high pressure. I have replaced the expansion v... [Read more]
Mend Heating, Home Heating Systems

Baxi Combi HE heating does not turn off?

My boiler above is only 6 months old but now even when we turn the thermostat right down the heating does not ... [Read more]
Mend Heating, Home Heating Systems

how can i fix my combi boiler, johnson and starley, reno he30c?

my combi boiler keeps flashing E 40 and isnt heating the water or radiators, how can i fix this?
Mend Heating, Home Heating Systems

ideal combi boiler c95ff no hot water ?

we have had our plumber out to look at our boiler he said it was the main pcb board the woman at call centre s... [Read more]
Mend Heating, Home Heating Systems

Heating Problrm?

Hi,I have a heatslave 20/25 Combi boiler,Diverter valve was changed as went faulty. since then have no heatin... [Read more]
Mend Heating, Home Heating Systems

What's wrong with my Worcester Bosch 24i Junior Combi Boiler?

Hi, I've come home today to find I have no heating/hot water and a boiler that I thought had a frozen condense... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosch 240 combi boiler, ?

My boiler won't fire up, the pilot light won't come on consequently I don't have any heating or hot water and ... [Read more]
Mend Heating, Home Heating Systems

How can I fix my Worcester Bosch 24i RSF Combi Boiler?

The central heating side of my boiler will not fire up. The hot water starts straight away. The fan and pump a... [Read more]
Mend Heating, Home Heating Systems

How can I get rid of trapped air in central heating system?

After replacing the small rubber seal on the shaft of the hydraulic actuator in my BIASI 24S Combi boiler, the... [Read more]
Mend Heating, Home Heating Systems

Condensing boiler overflow dripping?

We moved into a newbuild 18 months ago but over the last 2 months the overflow pipe to my boiler (located dire... [Read more]
Mend Heating, Home Heating Systems

Does my boiler need it's gas pressure adjusting ?

My Sabre 35 Combi boiler fires up ok when i turn on the hot water tap, but the water has to run for ages befor... [Read more]

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