How to mend ... Boiler Seconds Water

Saunier duval Thema F23E. Hot water does not stay constant?

My boiler gas comes on when the water is turned on but goes off after about 30 seconds. The hot water pipes in... [Read more]

Combi drain down now no hot water !?

I have a five year old Biasi boiler. It has been working fine. Today had to swap radiator and drained down sy... [Read more]

worcester bosch 24i intermittent ignition?

Hi, My WB24i has an intermittent ignition fault developed over the last few weeks. the DHW demand seems ... [Read more]

how can i fix my ravenheat rsf 820/20?

hi every one, my boiler lights up for about 30 seconds starts hissing (only way 2 discribe) then shuts itself... [Read more]

no hot water when central heating off?

I may have the same problem - the water heats up ok when the central heating is on, but when it's off the boil... [Read more]

problem with Halstead Ace High Boiler?

My boiler won't fire up the central heating or hot water, the burner fires up for about 5 seconds and then sto... [Read more]

no hot water?

heating works fine, but when i turn hot tap on the boiler keeps cutting out, fires up for 5 seconds then cuts ... [Read more]

ideal isar he 24?

ideal isar he 24 dhw open tap to draw hot water the boiler fires up and pump is running fine, it can take 20... [Read more]

Boiler problem further data on earlier question ?

Thank you for your helpful responses. I have made further observations and these are as follows: I have two... [Read more]

ferrolli optimax 25c?

ferroli optimax 25c i have no hot water and no ch code f3, now is it, the diverting valve ?how can i check it ... [Read more]

worcester 350 combi boiler?

why do the radiators work but the hot water only works for about 10 seconds then cuts off and goes cold

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]

How can I fix my Puma 100e combi boiler from constantly turning on and off?

I have monitored the running of the boiler for over 30 minutes and it fires up and stays on for 30 seconds the... [Read more]

burner started on and off?

i have boiler Potterton performa 28i , its burner goes ON and OFF in a seconds and getting problem in hot wat... [Read more]

Baxi Eco80 Combi Boiler?

Hi... I have a Baxi eco80 combi boiler which has been working fine until a couple of months ago. What is happe... [Read more]

Vaillant Turbomax constant ignition?

I have a Turbomax 242 with an intermittant fault which has now become permanent. when the boiler is switched i... [Read more]

boiler on, radiator light on but no hot water or ch?

my central heating goes on for 5 seconds then off no flashing lights though

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]

problem with classic LXFF&FF fanned flue gas boiler?

We have hot water and the boiler is firing up but only staying on for 30 >60 seconds.. the radiators upstairs ... [Read more]