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Fix Fault Bosch

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We have 781 questions about fixing 'bosch' in category 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 extremely hot and also dangerous for showering, could it be the thermostat control on the front ... more
home Fix label Heating label_important Home Heating Systems category Worcesterdone

worcester bosch boiler junior 28i?

Engineer has replaced PCB, thermistors, stepper motor and boiler still fails - reset light and mains power indicator light both flash + pump switches on when there is no call for heat. Problem does n ... more
home Fix label Heating label_important Home Heating Systems category Worcesterdone

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
home Fix label Heating label_important Home Heating Systems category Bosch

home heating systems?

We have a Worcester Bosch RD532 boiler but no thermostat. Which wireless thermostat would be best suited to this boiler?
home Fix label Heating label_important Home Heating Systems category Worcesterdone

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 window?
home Fix label Heating label_important Home Heating Systems category Worcesterdone

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 getting EA 56 fault. The regulator on the meter has been changed and a new bigger gas line put i ... more
home Fix label Heating label_important Home Heating Systems category Worcesterdone

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 the pump so that I can restore heating and hot water. The boiler is a Worcester Bosch 20/25 ... more
home Fix label Heating label_important Home Heating Systems category Worcester

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 our third attempt as we have taken 3 back believing they were faulty. The boiler is just ... more
home Fix label Heating label_important Home Heating Systems category Bosch

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 seem to get the central heating to go above 35 deg! The pressure is fine, hot water fine, but ... more
home Fix label Heating label_important Home Heating Systems category Worcester

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 water was pouring out of the boiler. The water was dripping off the fan onto the electro ... more
home Fix label Heating label_important Home Heating Systems category Bosch

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 on for 2 seconds ends with a fart like noise. Then the boiler runs for say 10 seconds. Noth ... more
home Fix label Heating label_important Home Heating Systems category Worcester

Bosch 35 he leaking & low pressure?

Bosch greenstar 35he plus low pressure & leaking inside boiler have replaced prv & expansion tank as both where faulty isolated heating & pressure drops within two hours,suspect the heat exchanger go ... more
home Fix label Heating label_important Home Heating Systems category Bosch

hot water not coming on?

Worcester Bosch high flow 400 boiler hot water failing to come on
home Fix label Heating label_important Home Heating Systems category Worcester

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 for it - not to be confused with basin tap) turning the black pressure gauge spindle towar ... more
home Fix label Heating label_important Home Heating Systems category Boschdone

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 thermostat/control. Can I use my existing Siemens Thermostat with new boiler?
home Fix label Heating label_important Home Heating Systems category Worcesterdone

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 from it.think it is the pump as i took it apart and cog wheel not spinning unless you give ... more
home Fix label Heating label_important Home Heating Systems category Worcester

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 hot water- was surprised as it was a complete new heating system to replace the old gas-fir ... more
home Fix label Heating label_important Home Heating Systems category Worcester

worcester bosch 2.8i junior?

red light constantly flashing - how do I re-light pilot lght
home Fix label Heating label_important Home Heating Systems category Worcester

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

boiler fault light showing & will not reset
home Fix label Heating label_important Home Heating Systems category Worcesterdone

bosch greenstar 30si combi?

pressure gauge low but when i turn water valve open no water enters engineer cant find the problem, boiler is working ok
home Fix label Heating label_important Home Heating Systems category Bosch

Fix Fault - Heating, Home Heating Systems

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Fix Fault - Heating, Home Heating Systems

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