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Mend Combi Heat Off Itself

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We have 571 questions about mending 'combi heat off itself'

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Mend Heating, Home Heating Systems

vaillant 242 eh combi/boiler leaking at the b t m.john?

please can anyone help me the heating engineer told me that my d. h. w.heat exchanger was leaking water also m... [Read more]
Mend Heating, Home Heating Systems

A chilling problem, ARISTON A/23 MFFI COMBI?

Whilst running any hot tap,shower etc, the boiler will only run for about one minute then go off with cold wat... [Read more]
Mend Heating, Home Heating Systems

How do I change a Diaphragm on a 20/80 flowmatic VOKERA combi boiler?

Central heating working ok.Hot water starts to heat up but then runs tepid.So how do I change the Diaphragm.
Mend Heating, Home Heating Systems

My CH boiler keeps blowing out when its windy outside!?

Hi, I hope someone can help me with this one. I have an old Baxi Wm 381 RS CH boiler in a house we just moved ... [Read more]
Mend Heating, Home Heating Systems

no hot water from my ariston euro combi boiler?

have heat but no hot water but the taps run with cold water
Mend Heating, Home Heating Systems

vaillant gb221h combi?

Domestic hot water fine. When heating calls for heat, the divertor valve plunger pulls in to the valve very sl... [Read more]
Mend Heating, Home Heating Systems

5 l/min out of 24i worcester combi?

only getting 5 l/min out of boiler,cold water to basin is 15 l/min but hot is 5 l/min inlet filter clean,coul... [Read more]
Mend Heating, Home Heating Systems

vokera 80sp - when hot tap is turned on radiators heat up instead?

i have a vokera 80sp combi boiler , when i turn the hot tap on the radiators heat up instead of the hot water.... [Read more]
Mend Heating, Home Heating Systems

combi boiler, no hot water? but have heating?

I have a G.Worm 100e compact (unfortunately) & although I have heating, whenever we draw water from the hot ta... [Read more]
Mend Heating, Home Heating Systems

how do I fix my boiler -Vaillant fault code information?

Does anyone know the meaning of F30 code on a Vaillant ECOmax Condensing Combi VUW286E . Does not ignite when... [Read more]
Mend Heating, Home Heating Systems

My Vokera combi boiler will not ignite?

Can anyone help me: My Vokera Mynute 14e Combi will not egnite when I switch on rads or hot water. I have foun... [Read more]
Mend Heating, Home Heating Systems

glowworm combi boiler?

Hi - My glowworm combi boiler has stopped working. The pressure light is flashing and the pressure needle has... [Read more]
Mend Heating, Home Heating Systems

How can i fix my Ariston Combi Boiler?

The water will only heat up when the heating is on? The shower will fluctuate from hot to cold whilst the he... [Read more]
Mend Heating, Home Heating Systems

Combi Boiler only heating water when the heating is on?

Our Fonderie Sime Combi Boiler will only heat the water when the heating is on. If it is off the boiler will ... [Read more]
Mend Heating, Home Heating Systems

ferroli falcon 2 combi boiler?

my hot water keeps going cold then hot then cold?ive been told its a heat sensor is this true and is it easy t... [Read more]
Mend Heating, Home Heating Systems

Hot water only when radiators are being heated?

I have a combi boiler which only now heats water when the room thermostat is under the set temperature and is ... [Read more]
Mend Heating, Home Heating Systems

Ravenheat hot water problem?

Hi I have a ravenheat rsf 20/20 combi boiler, and we can only seem to get hot water out of it when the heating... [Read more]
Mend Heating, Home Heating Systems

the heating on my valliant vcw 242e combi boiler will fire up?

the central heating on my Valliant VCW GB 242E combi boiler does not fire up when the heating is switched on, ... [Read more]
Mend Heating, Home Heating Systems

how can i fix my combi boiler?

suspect diapragm in the heat exchanger allowing the pressure to buld up from the normal 1 bar to up tp 3 bar i... [Read more]
Mend Heating, Home Heating Systems

Problem with netaheat profile 30e?

Hello, I have the above combi boiler and my problem is this. On the Honeywell control panel I can select the... [Read more]
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