How to mend ... Boiler Water Starts

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]

boiler starts and everything is off?

The oil fired boiler runs for a few minutes at intermitted times. The thermostat is at zero and the over rides... [Read more]

Can anybody advise why Flexicom 35CX goes into state S53 when in DHW mode?

The boiler works fine for central heating and DHW for sink taps and shower, but when bath tap is used the boil... [Read more]

water level low in Peerless gas hot water boiler?

when I use too much hot water in dishwasher, shower, washing maching,, the boiler starts making lot... [Read more]

28i Junior Low Water Pressure Switch?

Hi, Have got a lockout problem with my Worcester 28i Junior. Does not like to start if it has not been run ... [Read more]

Halstead ace combi boiler?

no hot water or heating , i have a halstead ace. lockout light comes on as it starts to fire up. any ideas

Flexicom 15x running water sound?

Just had a new pump after a repeated F22 fault. It now starts up, runs up to around 44 degrees then, the temp... [Read more]

Ideal Classic FF350 doesnt heat to required temp?

Hi We have an Old cottage that is used as my office, now its getting cold ive noticed that the rads dont heat... [Read more]

boiler cycling?

when my c/heating swithes on the boiler starts after a few minuits the boiler starts to cut in and out obout e... [Read more]

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]

Baxi bahama 100 staring on its own?

when any tap is turned on or the washer the boiler starts up and then makes clicking noises and then shuts do... [Read more]

Potterton Performa Boiler 30 HE No Pressure + internal leak + drain running?

Hi, I have a Potteron Performa 30 HE that is now showing a few symptoms. 1. The current state of the b... [Read more]

what could be cause of heating problem?

i have an ariston micro combi 23 mffi boiler the pressure in system keeps dropping to zero , when i refill sys... [Read more]

How can I fix my Saunier Duval Semia Condens boiler?

The Central Heating (CH) side works perfectly but the Domestic Hot Water (DHW) has developed a problem, thus..... [Read more]

Ravenheat 120t ?

Does anyone know what part could have gone wrong? Boiler starts ok then after 5 seconds gives a 01 error code... [Read more]

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]

halstead ace ?

boiler on light keeps flashing brand new diverter valve fitted only happens now and again also cleaned out pip... [Read more]

Worchester 24i junior boiler problems?

I have a Worchester 24i junior boiler. When the heating has been on for a while (this can range from 15 mins- ... [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

28i starts up but then switches of fast flashing fault light?

boiler makes hot water & will heat radiators but after about 10 min switches of and give a fast flashing fault... [Read more]