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Mend 30 boiler fire flashing

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

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

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 Heatslave 20/25

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We have 67 questions about mending 'heatslave 20/25' in category Heating, Home Heating Systems

How to mend Heatslave 20/25

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Mend light reset button second

Lock out light on Heatslave 20/25?

Have pressed reset button at top, light stays on. Ref. has been made to a second 'reset' button below expansio... [Read more]

Mend worcester oil fire

worcester heatslave 20/25 ?

agh we have good pressure, plenty of oil, not 'locked out' but won't fire up! Neither hot water or heating. ... [Read more]

Mend water dial bosch

replacement hot water dial for Worcester bosch heatslave 20/25?

HI does anyone know where I can buy a replacement hot water dial for Worcester bosch heatslave 20/25. thanks

Mend oil boiler pump

worcester heatslave 20/25 rso oil boiler?

is the circulating pump in operation when in hot water mode,ie heating turned off.

Mend pressure rising worcester

Why does pressure keep rising to 3 bar on Worcester Heatslave 20/25?

I have a 20 year old Worcester Heatslave 20/25. The heating and hot water are switched off. The pressure gauge... [Read more]

Mend worcester heatslave heating

Worcester heatslave 20/25?

Hi, I have been having a problem with my heating for some months now but very intermittent, occasionally the h... [Read more]

Mend running worcester heating

Boiler seems to be running cooler?

We have a Worcester Heatslave 20/25 boiler and it has been fine so far with regular maintenance. when the hea... [Read more]

Mend programmer three fitted

Problem with Worcester Heatslave 20/25 Programmer?

I have had three programmers fitted to my system for one reason or another. This one seems to be causing the ... [Read more]

Mend boiler after power

Boiler lockout after power cut?

Following a power cut my Worcester Heatslave 20/25 is on lockout. Oil burner will not ignite, would a power c... [Read more]

Mend worcester oil boiler

Fix my Worcester Heatslave 20/25 oil boiler?

Worcester Heatslave 20/25 boiler 10 years old - over heating the domestic hot water, dangerously hot despite a... [Read more]

Mend combi hot water minutes

How do I fix my Worcester Heatslave 20/25 combi?

If I run the hot water for a few minutes the temp drops to about 20 degrees, I've turned up the dhw thermostat... [Read more]

Mend combi valve changed

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 combi water heating

i have an heatslave 20/25 oil combi?

our heatslave 20/25 oil combi boiler seem to start but we are getting no hot water and no heating. i have pr... [Read more]

Mend replace water tank

replace water tank heatslave 20/25 boiler? its leaking?

Is it possible to replace the water tank? I have limited side access' so is it possible to pull out from front... [Read more]

Mend running motor runs

worcester heatslave sparking running on?

Hi my Worcester Heatslave 20/25 burner cuts in & out. The motor runs OK, the start sequence is OK in that moto... [Read more]

Mend worcester valve hello

Worcester heatslave 20/25 leak from valve?

Hello! A complete novice when it comes to boilers, so bare with me! I've got a Worcester heatslave 20/25 and t... [Read more]

Mend boiler water bled

How to fix heatslave 20/25?

Boiler on lockout had water in oil sorted that and bled boiler but now no oil coming through burner

Mend me if wireless

Can anyone tell me if there is a compatible wireless thermostat for a worc?

Can anyone tell me if there is a compatible wireless thermostat for a worcester heatslave 20/25 boiler? Th... [Read more]

Mend heatslave control box

my heatslave 20/25 will not spark to ignight boiler?

I have changed the control box but broke photocell now boiler will not spark

Mend worcester heatslave boiler

Worcester Heatslave 20/25 Lockout Light on?

Hi my lockout light came on on my boiler, I had run out of fuel totally! I have filled my oil tank to the top ... [Read more]

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Mend worcester boiler radiators months

Worcester boiler dripping water?

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Vaillant ecotec 831 plus?

Mend remove cover front

Remove boiler cover?

Mend Heating, Home Heating Systems

Siemens RDJ10RF thermostat problem?

Mend Heating, Home Heating Systems

Remove cover off gas boiler?

Mend 30 boiler fire flashing

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

Mend Heating, Home Heating Systems

Oil fired boiler thermostat?

Mend Heating, Home Heating Systems

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

Mend Heating, Home Heating Systems

How to fix my fireplace?

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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