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We have 781 questions about mending 'bosch' in category Heating, Home Heating Systems

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Mend Heating, Home Heating Systems

Domestic hot water very hot ?

Worcester bosch high flow 400 - hot water stat on the boiler is sett low but the water from the taps is extrem... [Read more]
Mend Heating, Home Heating Systems

worcester bosch boiler junior 28i?

Engineer has replaced PCB, thermistors, stepper motor and boiler still fails - reset light and mains power ind... [Read more]
Mend Heating, Home Heating Systems

Bosch w11 caravan boiler won't start ?

Have installed a Bosch w11 caravan boiler everything works but can't get hot water have changed the batteries
Mend Heating, Home Heating Systems

home heating systems?

We have a Worcester Bosch RD532 boiler but no thermostat. Which wireless thermostat would be best suited to th... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosch Highflow 400 - hot water not heating think pilot light off?

Can anyone help with this problem....There's a large expansion vessel in the way so can't see the pilot light ... [Read more]
Mend Heating, Home Heating Systems

Problem with Worcester Bosch Greenstar 38CDi Classic ERP Boiler?

We had a Worcester Bosch Greenstar 38CDi Classic ERP boiler installed at the end of July 2015. We keep gettin... [Read more]
Mend Heating, Home Heating Systems

Bleeding the boiler after a lock out?

I allowed the oil level to get too low resulting in a lock out with 2 red lights. How do I reset and bleed th... [Read more]
Mend Heating, Home Heating Systems

bosch 280 rsf boiler?

We are having problems boiler wont work at all gone by manual and it advises us to get a driver board. This is... [Read more]
Mend Heating, Home Heating Systems

Worcester greenstar combi boiler not heating above 35C?

I have a new Worcester Bosch 30i combi boiler which was installed a couple of months ago, but I just can't see... [Read more]
Mend Heating, Home Heating Systems

bosch greenstar 241/281condensing boiler fitted onthe wall?

I have a greenstar 24i boiler - the heating was switched off in the night a storm raged wind and rain next day... [Read more]
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Worcester bosch cdi 42 combi keeps firing every 10 mins?

I have hot water and heating but the boiler is firing up every 10 mins or so. It sounds like a tap is turned o... [Read more]
Mend Heating, Home Heating Systems

Bosch 35 he leaking & low pressure?

Bosch greenstar 35he plus low pressure & leaking inside boiler have replaced prv & expansion tank as both whe... [Read more]
Mend Heating, Home Heating Systems

hot water not coming on?

Worcester Bosch high flow 400 boiler hot water failing to come on
Mend Heating, Home Heating Systems

Bosch 24i Combi-boiler?

Went to turn the pressure up (done it many times before) but instead of the tap (can't think of a better word ... [Read more]
Mend Heating, Home Heating Systems

Siemens RDJ10 and new boiler?

I have a siemens RDJ10 I have just had a new Worcester Bosch boiler fitted and have been told I need a new the... [Read more]
Mend Heating, Home Heating Systems

how to replace oil pump?

i have a worcester bosch 18/25 external oil boiler.lockout is on.we have oil to pump.there is a buzzing noise ... [Read more]
Mend Heating, Home Heating Systems

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 Heating, Home Heating Systems

worcester bosch 2.8i junior?

red light constantly flashing - how do I re-light pilot lght
Mend Heating, Home Heating Systems

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

boiler fault light showing & will not reset
Mend Heating, Home Heating Systems

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]

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