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Mend Bosch Home Heating Systems

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We have 1527 questions about mending 'bosch' in category Heating, Home Heating Systems

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Mend ea worcester boiler

Error code EA 258 on Worcester Greenstar compact 25i boiler?

Got in on New Year's day after a day at work and my partner said heating had been off most of the day and no h... [Read more]
Mend pump running boiler
1

pump running but boiler not lighting ?

Green light on boiler panel flashing very fast pump appears to be running but boiler won't light switch power ... [Read more]
Mend boiler firing green

greenstar ri boiler not firing up?

the green and blue lights come on there is gas but the boiler doesn't fire up why is this
Mend junior red light

worcester bosch 2.8i junior?

red light constantly flashing - how do I re-light pilot lght
Mend hot water s cold
1

Hot water go,s cold?

I have a worcester 24i combi boiler when we use the shower it runs hot then cold for a min then bacck to hot ... [Read more]
Mend heating hot boiler system gas

heating only comes on if hot water on?

we had a new worcester greenstar boiler and system installed by british gas a few years ago. we have a control... [Read more]
Mend boiler wont work
2

worchester 24i boiler ch wont work?

hi i have a worchester juniour 24i and the hot water works but the central heating wont fire up. pressed the r... [Read more]
Mend bosch light showing
1

how can i fix my worcester bosch greenstar 28i junior boiler?

boiler fault light showing & will not reset
Mend reset worcester 24i

reset pilot light of worcester 24i?

it has a red rest button supposedly on top of the unit however there are 2 and neither seem willing to move - ... [Read more]
Mend boiler fitted setting
1

boiler flashes h5. ?

i bought a new c/board. we fitted it in. press setting, it flashes H5 what does this mean please x
Mend pressure gauge valve

bosch greenstar 30si combi?

pressure gauge low but when i turn water valve open no water enters engineer cant find the problem, boiler is... [Read more]
Mend pilot light low bosch
1

how can i fix pilot light?

pilot light flame to low how to adjust it 10 year old w275 bosh boiler
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 water boiler turns

Keep getting F5 lockout even after reset, once water used F5 comes back?

I have reset the PCB but still goes into F5 when boiler turns off.
Mend boiler heating noise
1

worcester combi boiler makes banging noise?

for last few days notice when boiler comes on and when hot water tap is on makes explosive banging noise can h... [Read more]
Mend replaced thermostats heating

How can I fix my boss therm?

I recently replaced the batteries on my thermostats the other day the front display looks like it is working h... [Read more]
Mend boiler working time

Greenstar RI boiler not working?

We have a WB Greenstar RI boiler that is about 7 years old and has run pretty faultlessly in that time. It has... [Read more]
Mend worcester bosch greenstar

when the oil burner starts up the rcd trips out?

my worcester bosch greenstar utility 18/25 boiler will not fire up instead the rcd trips out. I switch the boi... [Read more]
Mend water system drained

heater will not ignite?

I have a Bosch W1359 LPG water heater which was new last year.It has not been used for 6 months. Our water sys... [Read more]
Mend worcester boiler red light
1

Worcester 28si 11?

I've changed psb and fan,when I switch boiler on red light flashes straight away with CH off and not calling f... [Read more]

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