How to mend Bosch Boiler Water

worcester 240 rsf?

boiler fires up for hot water ok switch to heating pump runs changed heating themistor as reading was low is i... [Read more]

2

Worcester Bosh 24SI II?

When boiler initially switched on it ignites and the heating and hot water works. After about 5 minutes (has ... [Read more]

2

worcester greenstar?

the pressure on the boiler when i set it at 0.9 bar rises to 3 bar yet the pressure on the washing machine say... [Read more]

Greenstar 24i?

had a service last week all fine , and never had a problem woke up today no heating or hot water boiler is f... [Read more]

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 ?

how can i fix my worcheter greenstar cdi 37?

when running hot water slow from taps boiler makes noise and when in eco mode. but not in eco mode

1

Worcester boch 28 si?

My heating is working fine, when i turn a tap or shower on the water gets hot and runs for a minute then the b... [Read more]

1

Expansion tank hot?

Greenstar Ri boiler open vented system. When boiler switched on constant flow of hot water to expansion tank... [Read more]

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

How do I raise water pressure on my Greenstar 25si/ 30si?

I have a Greenstar 25si/ 30si combi boiler. About an hour ago it made an unpleasant noise and I turned it off ... [Read more]

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]

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

air trapped in worcester bosch 40 cdi ?

My worcester Bosch 40 CDI goes down nearly every time I manually switch it to radiator mode. It may run fine ... [Read more]

1

Worchester junior 28i hot water no heating 5 flashes in service mode?

I have a Worchester junior 28i boiler, the hot water is working but not the heating and the green burner indic... [Read more]

greenstar 24hr junior combi mk111 condensing boiler?

how do I reset the water pressure on a greenstar 24hr junior combi mk111 condensing boiler using the key, I've... [Read more]

Greenstar cdi combi boiler - no pressure, pump on ?

Been on holiday. Returned to boiler pump coming on/off every few minutes. No water pressure, but can't reach t... [Read more]

1

water flowing when recharging worcester bosch?

When recharging the boiler with filling key, a lot of water pours out of the system. Is this normal?

2

Worcester Bosch 25si not igniting?

Due to the recent very wet weather and strong winds, my boiler has gone into fault with flashing red light, I ... [Read more]

1

Blue light flashing on Greenstar CDI boiler?

The blue light is flashing on my Greenstar CDI boiler but pressing the reset button only works for a short tim... [Read more]

How to fix my boiler?

I have a Bosch-Worcester Heatslave 12-14 combi boiler, and it is not firing on demand although we do have some... [Read more]