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Latest Questions

Mend 30 boiler fire flashing
2

Worcester 30 Cadillac combi boiler won’t fire up and the EA?

my worcester 30 cdi combi combi boiler wont fire up and ''ea'' keeps flashing? my worcester 30 cdi combi bo... [Read more]
Mend Heating, Home Heating Systems
1

Greenstar 24Ri boiler, fast flashing - can I reset?

Greenstar 24Ri boiler won't light and the blue light is fast flashing. From the manual I can see that the iss... [Read more]
Mend Heating, Home Heating Systems
1

Oil fired boiler thermostat?

I have a Velaire 110/135 oil fired domestic boiler. I think the boiler thermostat may be faulty. The manual sa... [Read more]
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Mend Combi

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We have 5921 questions about mending 'combi' in category Heating, Home Heating Systems

How to mend Combi

Mend pressure expansion tank
2

ferroli combi boiler Pressure?

I re-pressurised my expansion tank about 18 months ago using instructions below:- 1. Switch off the boiler.... [Read more]
Mend valve pressure answer
1

How to turn the valve to reduce pressure?

Vaillant combi-boiler pressure is going down below 1. How to reduce pressure? Which way to turn the valve? T... [Read more]
Mend britony combi 80

britony combi 80?

central heating works but no hot water
Mend fired boiler hot
6

Eurocal oil fired boiler - HOT water for 60 seconds them only warm water?

Hi, I’m hoping you can offer some assistance with a 5 years old (Approx) Eurocal Oil-fired combi boiler ... [Read more]
Mend hot heating help

(combi boiler)Sime super 90mk2 ?

there is hot water but no heating can ny one help please? thankyou
Mend pressure rising combi
1

pressure gauge rising?

how do I stop my presssure gauge rising on my vaillent combi boiler.
Mend problem start power
2

pump problem on baxi?

How do I repair my pump on a combi 80e it won't even start but I have power you it?
Mend ariston clas boiler
1

ariston clas 24ff is a good combi boiler?

Good evening Is it boiler a good boiler? Is It true that the assistance is cheaper than junkers assistan... [Read more]
Mend Heating, Home Heating Systems
1

our biasi(2001 make)combi boiler,goes on and off?

The boiler goes on and off,when it goes off there is a pulsing noise from a motor within the system,it pulses ... [Read more]
Mend problem ch 77
2

Problem with CH only on Ferroli Combi 77 FF boiler?

Hi I have a ferroli combi 77 FF boiler which works fine on DHW and is OK the first time it comes on with CH. H... [Read more]
Mend potterton performa 24 combi boiler
1

Potterton Performa 24 combi boiler ?

there is heating but no hot water what cause that please?
Mend timer combi boiler help

how to set the timer?

I have lost the timer instuctions for my Ferroli optima 901 combi boiler can you help please steve
Mend hot water combi boiler approx
1

hot water for vokera he 25 compact combi boiler?

Hi The hot water stays on for approx 3 mins then cold for approx same time any advice please
Mend combi gas boiler

Combi Gas Boiler?

My boiler is turned up to maximum on both domestic hot water and radiator temperature. The DHW is warm to medi... [Read more]
Mend central worcester 28i
1

Siemens RDJ10 thermostat, not switching on my central heating?

I have a worcester bosch Greenstar 28i Junior combi-boiler, with a Siemens RDJ10 thermostat. I have set the ti... [Read more]
Mend combi boiler fit

water filters and combi boiler?

Is it possible to fit a filter on the inlet water pipe, having problems with dirty water clogging things up
Mend increase pressure combi
1

how can i increase pressure on my valliant 828 combi boiler, it is on 0.2?

how can i increase pressure on my valliant 828 combi boiler, it has dropped to 0.2
Mend se boiler wont light
1

Britony Combi SE. Boiler wont light?

The indicator lights are showing that the pressure is low (lights 40 and 80 flashing). Which would indicate lo... [Read more]
Mend ideal isar combi boiler

Ideal ISAR Combi Boiler?

The boiler starts and heats the radiators and then switches off. The boiler displays a fault L9 and can only b... [Read more]
Mend turning worcester turned

Combi boiler can't restart after turning off for hols?

Worcester Si24-28 Combi boiler. Turned off at fascia panel for hols, turned back on and now no hot water or h... [Read more]

Try searching for...

Pressure Expansion TankValve Pressure AnswerBritony Combi 80Fired Boiler HotHot Heating HelpPressure Rising CombiProblem Start PowerAriston Clas BoilerProblem Ch 77Potterton Performa 24 Combi BoilerTimer Combi Boiler HelpHot Water Combi Boiler ApproxCombi Gas BoilerCentral Worcester 28iCombi Boiler FitIncrease Pressure CombiSe Boiler Wont LightIdeal Isar Combi BoilerTurning Worcester Turned
Mend vaillant f22 water hot

Vaillant ecotec 831 plus?
Mend Heating, Home Heating Systems

Greenstar 24Ri boiler, fast flashing - can I reset?
Mend worcester boiler radiators months

Worcester boiler dripping water?
Mend thermostat siemens rdj10rf receiver

Siemens RDJ10RF thermostat problem?
Mend Heating, Home Heating Systems

How to fix my fireplace?
Mend Heating, Home Heating Systems

Remove cover off gas boiler?
Mend remove cover front

Remove boiler cover?
Mend Heating, Home Heating Systems

Oil fired boiler thermostat?
Mend 30 boiler fire flashing

Worcester 30 Cadillac combi boiler won’t fire up and the EA?

How to mend ...

Mend Baxi Mend Bosch Mend Boulter Mend Britony Mend Dimplex Mend Drayton Mend Ferroli Mend Halstead Mend Heatline Mend Kohlangaz Mend Myson Mend Potterton Mend Remeha Mend Siemens Mend Switchmaster Mend Vaillant Mend Vokera Mend Worcester

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