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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

worcester bosch heatslave 20/25?

bar pressure rises to 3 and overflow active when cold drops back to normal 1 bar
Mend Heating, Home Heating Systems

Worcester Bosch Oil Heatslave 20/25 two years old?

Can not get the central heating to work; the water pump does not seem to be running. Hot water fine. Had a lon... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosch Heatslave 15/19, No water pressure?

I realise that mains water is needed to increase pressure, but I can't see any valves or connections where i ... [Read more]
Mend Heating, Home Heating Systems

how do i increase the water pressure on a worcester bosch 35cdi II boiler?

how can i increase the water pressure on a worcester bosch 35cdi II boiler.... the pressure is on 0 and not h... [Read more]
Mend Heating, Home Heating Systems

My Worcester Bosch Greenstar CDi is showing an error code?

My boiler is not working and is showing an error code of 5E or SE. I've tried to reset it and turn it off, bu... [Read more]
Mend Heating, Home Heating Systems

How do I increase boiler pressure /?

I have had a Worcester Bosch combi boiler for 8months and notice the pressure gauge has dropped to just above ... [Read more]
Mend Heating, Home Heating Systems

Worcestor Bosch 24 CDi combi prob?

Just one problem.... boiler turns on heating if boiler is powered up, even though program is set to OFF. Hot ... [Read more]
Mend Heating, Home Heating Systems

How do I ignite my Worcester Bosch 24i boiler?

h ow do I ignite my Worcester Bosch 24i boiler? I have followed the instructions from the user manual. I h... [Read more]
Mend Heating, Home Heating Systems

Combi stops firing for hot water when cold tap turned on?

Hi I have a Worcester Bosch Thermotechnik combi - on the boiler casing is a Bosch-stamped cert saying it is... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosch 45 CDI - Intermittent hot water?

My shower is producing water with fluctuating temperatures- Is this a big problem? What do I need to do?
Mend Heating, Home Heating Systems

replace the water to water heat exchanger in my worcester bosch 28cdi combi?

The manual tells me to remove the filling loop by removeng the two holding scews and then slide the assemble t... [Read more]
Mend Heating, Home Heating Systems

worcester bosch 240 combi?

when I demand hot water at the sink or shower, the radiaters get warm instead and little hot water comes thr... [Read more]
Mend Heating, Home Heating Systems

does a radiator need to be left turned on with a bosch 240 boiler? ?

We had a worcester bosch 240 boiler fitted about 11 years ago on a mixed 2 pipe and one pipe system, at presen... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosch 35CDi II - hot water fault?

After coming back from holiday we found that our boiler will only heat the hot water when the tap is turned fu... [Read more]
Mend Heating, Home Heating Systems

i have got low water pressure from my combi boiler?

I have just got installed a wocester bosch combi boiler - 24i junior. The water pressure has become low- is t... [Read more]
Mend Heating, Home Heating Systems

How do I clear a heat exchanger in a worcester bosch 240 combi ?

How do I clear a heat exchanger in a worcester bosch 240 combi and what does it look like?
Mend Heating, Home Heating Systems

worseter bosch boilers?

hi we have a greenstar cdi conventional that on start up makes a loud vibration noise until the speed settles ... [Read more]
Mend Heating, Home Heating Systems

Why does my Worcester bosch 240 have to be reset after 3 mins?

My worcester bosch 240 combi has to have the little red reset button pressed after we run the shower for about... [Read more]
Mend Heating, Home Heating Systems

How can i fix my worcester bosch 28i combi boiler prob?

How can I fix my worcester bosch 28i combi boiler. hot water not come sometimes from the tap but room heating ... [Read more]
Mend Heating, Home Heating Systems

How can i fix my Worcester Bosch 24i?

We have just had our kitchen ripped out and after 9 weeks of sheer hell, we are getting back to normal. My com... [Read more]
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