How to mend ... Boiler Will Not Heat Water

my Ferroli optimax boiler is not working and is showing code noCn?

my boiler is twelve months old. Ferroli Optimax HE31 I have no heat or hot water. Where it would normally sho... [Read more]

Vaillant TurboMax Diverter Valve problem?

I'm sick of repairing this TurboMax. First, a history of problems. The diverter valve, then a switch on th... [Read more]

raven heat combinationboiler heating works ok but no domestic hot water?

when a hot tap is opened the boiler fires up but the burner goes off within a minute and the water does not ge... [Read more]

Boiler Problem?

I have a Glow-Worm Ultimate 120FF central heating boiler that stopped working last week. Under my Direct Line ... [Read more]

baxi 80/105 he when i turn on more then one hot water tap the others go off?

i have a baxi combi boiler 80/105 HE RANGEthe problem is when i turn on hot water tap ,and another hot tap on... [Read more]

Ferroli combi not responding to thermostat?

I have a 3 year old Ferroli combi gas boiler. A couple of years ago it stopped responding to commands from the... [Read more]

F 13 error on a glow worm 38cxi?

My 38cxi is approx 3 years old and I have had the normal problems with the boiler. F14 which is an over tempe... [Read more]

no hot water worchester bosch 240?

when you call for hot water only, nothing happens, when you swicth to central heat and hot water the boiler fi... [Read more]

BG C1 Boiler (Bosch)?

Hi I have a British Gas C1 boiler and over the last 6 years it's had 3 heat exchangers. It is now showing si... [Read more]

Potterton Suprima 60 Heat Exchange leaking?

Hi all, I have a Potterton Suprima 60 - about 10 years old. Over the weekend, a small water leak was evide... [Read more]

Glowworm 75/80 boiler. Fan stays on , water does not get hot enough?

Recently had a loud noise coming from my boiler then the fan has stopped completely (not sure if it is a swift... [Read more]

ravenheat rsf 84et central heating boiler?

i have just done aminor repair on the heat exchanger turned off gas and water on the boiler itself put it all ... [Read more]

Ravenheat RSF 84ET - not heating rads or water?

Good Morning guys, I am looking for some advice regarding my girlfriends Ravenheat RSF 84ET combi bo... [Read more]

radiators not coming on ?

I've had an engineer out to my house a few times about this problem but still no joy so hopefully you can give... [Read more]

Vallant TurboMax 828E?

My boiler which is 3 yrs old takes several mins before I get hot water from the tap. I have replaced the diver... [Read more]

how can I fix my ariston micro genus HE24?

There are no faut showing at all and the heating system is working fine. there are no blockages the heat excha... [Read more]

hot water problem?

i have a ariston microgenus 11 24 mffi. when running hot tap at either full flow or reduced flow the boiler fi... [Read more]

No hot 90 degree programme on servis m3008?

Does this mean my thermostat has had it ? I have both hot and cold connections but the hot water pipe is to o... [Read more]

worcester greenstar 28i?

when the boiler is turned on there is a blue light flashing fast, I havent got any hot water or central heatin... [Read more]

maxin vokera not heat water ?

heating works but when we run hot water boiler does not kick in