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We have 151 questions about mending 'change combi boiler'

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Mend Heating, Home Heating Systems

How can I fix my Baxi Combi 105e?

The boiler (about 7 years old) loses pressure quite regularly and I now know how to increase this, but I am ha... [Read more]
Mend Heating, Home Heating Systems

how to change timer times on ravenheat combi boiler rsf25/20et?

Our ravenheat combi boiler rsf25/20et is set at factory settings I meed to change the times so they come on an... [Read more]
Mend Heating, Home Heating Systems

how to change a dry fire thermistor?

i have a ignis He30 combi boiler from looking at the fault code it is indicating that the dryfire thermistor h... [Read more]
Mend D.I.Y, Plumbing

how do I change my electric shower for a thermostatic shower?

Im having new bathroom fitted, and want to change my existing electric shower for a thermostatic one fed from ... [Read more]
Mend Heating, Home Heating Systems

changing to combi?

My conventional Potterton boiler is over 15yrs old and British Gas want over £3,000 to change it. I'm now th... [Read more]
Mend Heating, Home Heating Systems

No Hot water with Valiant Combi Boiler. How do i fix?

From other questions on this topic, it looks like its the flow restrictor or diverter....how do i change this ... [Read more]
Mend Heating, Home Heating Systems

Heatline C24 virtually no hot water to Bath taps unless tap open only a bit?

Hi The heatline 24 combi boiler supplies hot water to bath taps only when run very low, ie tap on only a litt... [Read more]
Mend Heating, Home Heating Systems

how do u turn the hot water pipe off on a combi boiler?

i need to change the taps in the bathroom,but i dont know how to turn off the hot water in my newly installed ... [Read more]
Mend Heating, Home Heating Systems

Ariston microGENUS HE 32 MFFI combi boiler A01 fault?

keep getting the A01 fault on my Ariston combi. It does not fire up in alloted time, although the piezo's spar... [Read more]
Mend Heating, Home Heating Systems

Baxi combi boiler 105he DHW Valve swop!?

Is it within the scope of an ex mechanic to change the DHW pressure differential valve? It looks a quite an ea... [Read more]
Mend Heating, Home Heating Systems

What is the operational relationship between boiler and thermostat?

I have a Worcester 28CDi combi boiler with a Honeywell T40 thermostat. I wanted to change the thermostat to a ... [Read more]
Mend Heating, Home Heating Systems

We have a combi alpha 240/e boiler, we have no hot water . ?

The water used to come through hot then change to cold then hot again but now it just will not click the boile... [Read more]
Mend Heating, Home Heating Systems

Hot Water Problem with Ideal Isar He24 Combi?

Hi, Can anyone help? A friend of mine is having problems with her hot water supply from her Ideal Isar He2... [Read more]
Mend Heating, Home Heating Systems

Vokera Linea 28 combi boiler DHW problem?

My central heating works fine on the boiler, but the domestic hot water (DHW) does not, barely gets above 30 c... [Read more]
Mend Heating, Home Heating Systems

How do I change the diaphragm in the diverter valve of a Ariston Euro Combi?

Hi, can anyone advise me how to replace the diaphragm in the diverter valve of my Ariston Euro Combi boiler. ... [Read more]
Mend Heating, Home Heating Systems

Hello all, boiler not working properly?

Hello all, i have a very old combi c.h boiler (solaire model ghb 21/f t.02) which no one has heard of, i would... [Read more]
Mend Heating, Home Heating Systems

how do i isolate the boiler to change the dhw heat exchanger?

i need to change the dhw heat exchanger on a baxi combi 80e i want to know how to isolate the boiler and press... [Read more]
Mend Heating, Home Heating Systems

Ravensheat boiler?

I have a ravensheat combi boiler. every few days the pilot light will go off and the boiler therefore will ... [Read more]
Mend Heating, Home Heating Systems

vaillant ecotec pro28r, not enough hot water?

hello all, i have vaillant ecotec pro 28r combi boiler, problem is there is not enough hot water but heating i... [Read more]
Mend Bathroom Appliances, Baths and Showers

lukewarm water to my shower and bath but fine elshere in house?

Since the cold weather arrived, my new shower (Triton Mira, 2 levers, 1 for temp, the other for flow) and new ... [Read more]
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