How to mend ... Replaced Boiler Water

EA error showing for Worcester Bosch Greenstar CDi?

We awoke one morning recently to no hot water and discovered our boiler was displaying an EA error message. S... [Read more]

Heating/Hot Water Problems with Ravenheat RSF100ET?

Hi Original problem was not very hot DHW, but burner running flat out. Changed both DHW and CH thermistors, ... [Read more]

CH is ON in the off position and will not turn off?

I have a Halstead Finest Combi boiler, which the CH automatically came on at night and unable to switch it off... [Read more]

vaillant vc gb 221 h boiler cycling?

My boiler fires up as normal for about 15 seconds then switches off (pilot still on)cuts back in 10-15 mins la... [Read more]

Valillant Boiler VCW GB 242E ?

Keeps loosing pressure when pressurised to1.5 bar ,hot water work fine,but heating side. I have replaced new p... [Read more]

cannot control hot water vaillant ecoTEC plus 624?

We have a three year old ECOtek plus 624 that has been fine until now. We have just installed a new show with ... [Read more]

Why is my Potterton Puma 100e hot water not very hot?

Hi, I have just replaced the Modulation Control Board on my boiler, which burnt out (the printed circuit on th... [Read more]

hot water problems, on my boiler?

worcester bosch 24i rsf-l, problem, boiler will not fire up when turn on hot water tap. unscrew 1 screw on t... [Read more]

repair to glowworm swift flow 100?

when hot water is running the green running light goes out and also the mains amber light after a half run ba... [Read more]

Boiler expansion pipe blowing back?

Hi! I have a two-storey house, the boiler was originally on the ground floor. Seven years ago the boiler was r... [Read more]

ace high boiler problem?

replaced diaphram and diverter valve service kit , ch working ok , in dhw only mode both central he... [Read more]

eurocal boiler oil, radiators constantley on when no heating on. ?

the radiators upstairs are always hot, no heating is on and the boiler fires up when nothing is turned on such... [Read more]

boiler works does not work?

when turning the hot water on the gas fail light comes on .switch water off then on the boiler ignites . the p... [Read more]

Replaced radiators on a worcester boiler now heating is not working??

We are updating my late fathers house and a plumber turned off the heating to take off a radiator to plaster ... [Read more]

Worcester Heatslave 20/25 problem?

Worcester heatslave 20/25 oil combi boiler 8 years old problem as follows, with hot water only selected o... [Read more]

Vailant Ecotec Plus 837 Radiator heating issue. fault 22?

Hi I recently replaced my old boiler with a new Vailant 837 combi and my heaters dont seem to be heating up, t... [Read more]

how can i fix my vokera maxim combi boiler?

my combi is about 12 years old, but lately it has been cutting out when the central heating and sometimes the ... [Read more]

Problem with Worcester boiler pump?

I have a Worcester 28CDI boiler and i recently replaced a faulty pump. However, the new pump seems to operate ... [Read more]

F15 fault?

Hi, I have a F30E Theme Classic and have just replaced the 3-way valve as it had split (again). I have now ins... [Read more]

Vaillant TurboMax Problem - Help please?

Hi, I have a Vaillant Boiler Turbo Max around 11 years old. Now the boiler has stopped working as it s... [Read more]