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We have 634 questions about mending 'help bosch boiler'

How to mend ... Help Bosch Boiler

Mend worcester combi boiler leaks

How can I fix my worcester bosch 24cdi combi boiler?

It keeps re-pressurising itself and the external overflow leaks a lot.
Mend bosch fault code display

Worcester Bosch 40CDi - Fault Code 5E?

I have this code 5E flashing on my display. Other answers suggest it is a servicing scheduling problem, but... [Read more]
Mend s worcester 24i junior combi boiler

What's wrong with my Worcester Bosch 24i Junior Combi Boiler?

Hi, I've come home today to find I have no heating/hot water and a boiler that I thought had a frozen condense... [Read more]
Mend worcester bosch 240 combi boiler

Worcester Bosch 240 combi boiler, ?

My boiler won't fire up, the pilot light won't come on consequently I don't have any heating or hot water and ... [Read more]
Mend worcester 24i rsf combi boiler

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 worcester bosch greenstar ea

Worcester Bosch Greenstar 42CDi EA flashing?

EA and blue light flashing on my boiler. All help seen so far suggests a frozen pipe but this can't be the cas... [Read more]
Mend Heating, Home Heating Systems

FC fault?

Radiators hot all the time,Fault FC? Thermostat TR2, boiler:Worcester Bosch RD532i. Multifunction display s... [Read more]
Mend hot thermostat bosch

Radiators hot all the time,Fault FC?

Radiators hot all the time,Fault FC? Thermostat TR2, boiler:Worcester Bosch RD532i. Multifunction display s... [Read more]
Mend boiler house bosch

should I change my Thorn boiler?

House was built in 1980's and has the original Thorn boiler. Should I change to Worcester Bosch?
Mend green button light

Worcester Bosch green star 30si?

The reset button and spanner light flash every second. All functions work, pressure ok. Reset boiler and the s... [Read more]
Mend power oil boiler

no power?

no power to 1519 bosch worcester heat slave oil boiler
Mend radiators hot thermostat

Radiators hot all the time,Fault FC?

Thermostat TR2, boiler:Worcester Bosch RD532i. Multifunction display shows fault FC,Text display shows Please... [Read more]
Mend boiler water central

worcester bosch combi boiler?

sometimes the hot water does not come on,sometimes the central heating does not come on, how do you fix it ?
Mend worcester greenstar boiler

Ihave a worcester bosch greenstar 30Si with a digital optimiser?

I have a worcester bosch greenstar 30Si combi boiler with a digital optimiser. The heating is full on and the ... [Read more]
Mend boiler round help

how can i fix my boiler please?

I have a bosch junior boiler& my son has pushed the round button in now the boiler is leaking like mad please ... [Read more]
Mend worcester bosch boiler

How do I program the timer on my Worcester Bosch 280rsf boiler?

Please can you tell me how I can program the time to set my boiler (Worcester Bosch 280) on and off, either on... [Read more]
Mend not re ignite

My Worcester Bosch highflow 400 will not re ignite?

My boiler will not ignite as describe in the manual by turning off the power, then turning on and turning the ... [Read more]
Mend air flow water hot

how do i fix an air flow fault on the water heating side of a combi boiler?

how do i fix an air flow fault on the hot water side of a worcester bosch 25 si ll combi boiler
Mend combi boiler water cold

Troubleshooting a Bosch ZWB28-3 combi boiler?

Currently it heats our hot water well but when cold is mixed in like in the shower the temperature of the wate... [Read more]
Mend hot temperature boiler tap

hot water temperature fluctuates?

boiler starts hot then goes cool. i have to reduce tap flow to get it hot again. its a worcester bosch 240

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