How to mend ... Problem Going Cold

hot watergoing cold?

boiler is an micro genus 2 -24 mffi whenrunning water it goes cold was told to change sensors for ch on divert... [Read more]

how to find a fault?

my sister-in-law has a glow-worm 30c boiler the central heatings ok but when they turn on dhw tap the water i... [Read more]

Central heating radiator doesn't gets hot sometimes and sometimes does?

I have a potterton kingfisher cf 50 boiler.My up stairs ch rads is fine but down stairs one of them is warm nd... [Read more]

Radiator problem ?

after a recent leak in my central heating system which is now fixed, i've refilled the radiators and fired the... [Read more]

ferroli optima 901 c/heating problem?

heating will not come on but hot water ok. pump runs. boiler fires up when stone cold for c/h eventually but w... [Read more]

Vokera boiler problem?

Central heating works fine but the hot water is a nightmare, can start hot but then runs cold I may be mistake... [Read more]

Have a vaillant ecotec plus 824. The water gets hot then goes cold?

Have a vaillant ecotec plus 824. Real problems!!The water gets hot for about a minute then goes cold and stays... [Read more]

vailant turbomax combi?

when hot water tap is on it will run hot for a couple of mins then go cold then hot again not ideal when showe... [Read more]

sorry i dont know the make ?

i have a combi boiler that looses time every day ,i set the timer to come on twice a day in the evening no pro... [Read more]

sorry i dont know the make ?

i have a combi boiler that looses time every day ,i set the timer to come on twice a day in the evening no pro... [Read more]

unidare storage heaters?

ive got 4 unidare storage heaters and all have the same problem. they only get hot on top and cold every where... [Read more]

How can I fix my Vaillant Ecotec Plus 428 boiler problem?

When the outside temperature is very cold, and the boiler fires up to heat domestic water and/or the central h... [Read more]

potterton performa 24 ?

my boiler keeps fireing up then going off within seconds when heating is on it does get radiators hot but same... [Read more]

Drayton SCR and RF1 set up?

I seem to be suffering the same difficulties as others with random functionality of the heating. Can some ... [Read more]

Glow worm 100E small burner flame, now hot water?

Hi, i hope you can help me with a problem that is just baffling me. I have a Glow worm 100E that has heating ... [Read more]

how to fix a baxi 105e dhw flow problem?

Hi I have a reduced flow to my dhw on a baxi 105e checked and cleaned both cold water inlet and flow regulator... [Read more]

'f19' error report - Saunier Duval 'Thermoclassic' boiler?

Recently my boiler is failing to deliver hot water. - It is hot at first then runs cold. On examination I fin... [Read more]

Boiler fails to start when cold?

Have got a vokera maxin 28e boiler which has been moved from kitchen into garage however now when cold it fail... [Read more]

how can i fix my boiler?

i have a vaillant turbomax 242e changed diverter valve but still not getting hot water .gasman told me dhw hea... [Read more]

Potterton Suprima, flashing amber light?

I had the dreaded PCB lockout issue a couple of years back, and had the PCB replaced. Bolier now works perfec... [Read more]