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We have 104 questions about mending 'bosch boiler not working'

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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]
Mend Heating, Home Heating Systems

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 Heating, Home Heating Systems

worcester bosch greenstar regular gas boiler?

No fault light no heating or hot water when programmed to come on. Over ride not working either. Can any one h... [Read more]
Mend Heating, Home Heating Systems

no heating?

worcester bosch greenstar ri boiler. Hot water is working but central heating is not? Any ideas?
Mend Heating, Home Heating Systems

Worcester bosch 2.8i junior, cuts out with red flashing light?

My boiler has been working ok through the summer, heating hot water on demand, but now its getting time to put... [Read more]
Mend Heating, Home Heating Systems

What is wrong with our Worcester Bosch Greenstar CDi Conventional?

We have a Worcester Bosch boiler installed 5 years ago. It has been working fine and been serviced up until t... [Read more]
Mend Heating, Home Heating Systems

How can I fix my Worcester Bosch 24i RSF Combi Boiler?

The central heating side of my boiler will not fire up. The hot water starts straight away. The fan and pump a... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosch 25cdi boiler - central heating not working?

Hot water working OK but central heating won't work. Tried switching off Master Switch, leaving a few seconds... [Read more]
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Greenstar 30 CDi central heating not working?

Worcester Bosch Greenstar 30 CDi boiler supporting the central heating after being off all summer. Hot wate... [Read more]
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How do you fix intermittent heating problem?

I have a new Salus programmable thermostat (RT500RF) and a new Bosch Worcester Greenstar 24Ri boiler. Sometim... [Read more]
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The transmitter light if flashing constantly?

I have a Worcester Bosch Greenstar 24i junior/28i junior, and the heating stopped working, i realised that the... [Read more]
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wor bosch cdi 40 - not working?

our boiler is not working. I have tried to reset but it just appears to count down from 99 to 0 - I dont get a... [Read more]
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What part do i need?

My boiler is a Worcester bosch 240 Combi. The CH, when switched on works fine. When i turn on the hot water ta... [Read more]
Mend Heating, Home Heating Systems

radiators on upstairs but not down??

we had three power spikes yesterday within 2 hours since then our boiler has been playing up we have hot water... [Read more]
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Oil fired worcester bosch heatslave boiler not igniting?

After 3 hour power loss/low voltege (84v) boiler would not ignite. Checked fuses, ok. Pressed both reset butto... [Read more]
Mend Heating, Home Heating Systems

problem with boiler after replacing batteries in thermostat?

i changed batteries in boss thermostat and discovered that the boiler wasnt responding to thermostat, even tho... [Read more]
Mend Heating, Home Heating Systems

bosch combi 532i the lights have gone out on the wall sensor and the boiler?

what is the solution to the ststems wall sensor lights going out altogether .The room thermostat display is wo... [Read more]
Mend Heating, Home Heating Systems

Lockout?

I have a Worcester Bosch heatslave 20/25, 7 years old, serviced every year. Boiler has stopped working, no ... [Read more]
Mend Heating, Home Heating Systems

How do I get my Worcester Bosch 42CDi to work?

Hi, I have a worcester bosch green star 42CDi and have the same problem. It happened last Christmas, and the k... [Read more]
Mend Heating, Home Heating Systems

Any ideas?

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