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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 30si

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We have 69 questions about mending '30si' in category Heating, Home Heating Systems

How to mend 30si

Pages 4321
Mend worcester fault light

worcester - bosch 30si fault light?

the boiler was very noisy switched it off then back on again error and blue light flashing every 2/3 secs, con... [Read more]
Mend couple months ago problems

how can i fix greenstar 30Si?

What does it mean? Can I sort this or do I need my engineer to come out? Is it safe? Or dangerous? Just put... [Read more]
Mend worcester bosch boiler greenstar

Any ideas?

We have a Worcester Bosch boiler Greenstar 25Si/30si. It has been losing pressure over the last few weeks and ... [Read more]
Mend Heating, Home Heating Systems

manual use?

How can I set my Greenstat 25Si/30Si Wocester boiler to use manualy instead of using the thermosthat? Tanks
Mend boiler hot heat red

how to fix greenstar 30si boiler?

have greenstar 30si boiler that isnt working no hot water or heat. red and blue light flashing at different t... [Read more]
Mend greenstar hot water

How can I fix my Worcester Combi 30si?

I have a Worcester 30si Greenstar Combi in my loft space .Last week we woke up to no hot water and no cent.hea... [Read more]
Mend reset boiler heating
1

How Do I Reset my Greenstar 30Si Combi Boiler?

I have no hot water or heating. I've checked the pressure gauge and set it to 1.5. I've switched it off at t... [Read more]
Mend greenstar 30 si

greenstar 30 si?

Hi our greenstar 30si packed in the other day a plumber came out and fixed it when i was at work now ... [Read more]
Mend worcester pressure heating

What is my problem, Worcester Bosch Grenstar25si/30si?

The pressure has become unstable on my combi greenstar. Just about holds up when heating on. If I isolate the ... [Read more]
Mend work switch time
5

cant get heating to work?

Have hot water but no heating?Not over sure how to switch on.I think I just go to timer put switch to day time... [Read more]
Mend water combi boiler green
2

i have no hot water through my WB greenstar 30si combi boiler???

hi, for some reason my boiler is not giving out any hot water, the green light is not lit up-think its the pil... [Read more]
Mend 30si will not up
2

Worcester greenstar 30si will not fire up?

I have a worcester greenstar 30si, i have had to renew the expansion vessel and purged gas and water but the b... [Read more]
Mend pressure combi boiler
1

how to fix my water pressure?

I have just removed three radiators from my bedrooms upstairs and I have just noticed that I now have zero pre... [Read more]
Mend pressure gauge high heating

how do reduce the pressure on my Greenstar 30SI?

my pressure gauge is on to high on my greenstar 30SI how do I reduce this and get my heating back to normal.
Mend worcester greenstar black
3

Re Worcester 30si Greenstar charging key?

I've just seen the question re how to charge your boiler but I'd like to know where I can buy the little black... [Read more]
Mend worcester boiler fire
2

worcester 30si?

boiler ok in ch wont fire at all in dhw
Mend over pressure turn central heating
1

over pressure when turn on central heating?

hi my worcester 30si is over pressure when i put central heating on pressure is set at 1 bar.but rises to 3bar... [Read more]
Mend water bring pressure

How do i refill water on my Greenstar 25si/30si to bring the pressure back ?

The water pressure on my Greenstar 25si/30si is very low,how do i refill instruction manual is difficult to un... [Read more]
Mend 3 come set times

How can I get my Digistat 3 to come on at set times ?

I had a Digistat 3 wireless installed in August 2006 together with a Worchester Greenstar 30Si combi boiler. I... [Read more]
Mend worcester bosch greenstar
3

whats wrong with my worcester bosch greenstar 25si?

Hello,iv got a worc/bosch 25si/30si combi,which has been switching itself off.When i attempt to switch it on i... [Read more]
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Worcester Fault LightCouple Months Ago ProblemsWorcester Bosch Boiler GreenstarBoiler Hot Heat RedGreenstar Hot WaterReset Boiler HeatingGreenstar 30 SiWorcester Pressure HeatingWork Switch TimeWater Combi Boiler Green30si Will Not UpPressure Combi BoilerPressure Gauge High HeatingWorcester Greenstar BlackWorcester Boiler FireOver Pressure Turn Central HeatingWater Bring Pressure3 Come Set TimesWorcester Bosch Greenstar
Mend 30 boiler fire flashing

Worcester 30 Cadillac combi boiler won’t fire up and the EA?
Mend worcester boiler radiators months

Worcester boiler dripping water?
Mend Heating, Home Heating Systems

Siemens RDJ10RF thermostat problem?
Mend Heating, Home Heating Systems

Remove cover off gas boiler?
Mend vaillant f22 water hot

Vaillant ecotec 831 plus?
Mend Heating, Home Heating Systems

How to fix my fireplace?
Mend remove cover front

Remove boiler cover?
Mend Heating, Home Heating Systems

Oil fired boiler thermostat?
Mend Heating, Home Heating Systems

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

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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