How to mend ... Fires Water Hot

Boiling over into Header tank?

We have a Potterton Netaheat 10-16 Boiler, which fires up OK, and gets very hot as do the pipes going to the p... [Read more]

POTTERTON PERFORMA 24 NO HOT WATER BUT CENTRAL HEATING FINE?

as soon as the hot water tap is opened the pressure on the boiler increases 0.5 bar to 2.0 bar. and the boiler... [Read more]

Hot water problem Worcester Heatslave 20/25?

The boiler fires up to provide hot water if a hot tap is used- even if the boiler control button for hot water... [Read more]

Saunier duval 623 combi not igniting?

No hot water or heating. When I press the ignition button it fires into action but goes off as soon as i take ... [Read more]

boiler not working properly?

we have a ravenheat combi rsf 100et. the problem is the heating fires up then goes off you have to keep switch... [Read more]

Screeching on my combi boiler ?

Just recently my Vokera combi boiler has started to make a really loud screeching sound when the heating or ho... [Read more]

biasi 24 fault finding dhw?

hi there have a biasi 24s i seem to be having a problem with the dhw when i turn the hot tap on the water some... [Read more]

Saunier Duval combi - central heating OK, yet no hot water?

Very useful to have these forums, so can anyone please help, or is it the changeover valve, as someone else's ... [Read more]

how can i fix my ravenheat boiler?

hi i have a ravenheat boiler on the blink i have no hot water and heating i have just had a new gas valve fitt... [Read more]

how can i fix my boiler?

we have an older type baxi boiler when we swith either the water or heating on the baxi fires up for a couple ... [Read more]

fix my halstead boiler?

my halstead quattro gold boiler sometimes fires up when you shake the clock although the hot water does not fi... [Read more]

water heating?

I have a myson medway super, multipoint water heater.when the hot taps are tuned on the boiler normally fires ... [Read more]

heating?

sime 90 combi no hot water unless the heating is on boiler fires up then clicks off

Worcester 24i RSF-L Combi problem?

When I turn the hot water tap on the boiler fires up and hot water is dispensed from the tap. However after a ... [Read more]

Worcester 24i?

Hi drained down the system to repair a couple of weeping radiators, refilled the system to 1.5 bar vented all ... [Read more]

baxi 105e domestic water led wont go out?

my baxi 105e when you call for hot water it fires no problem and delivers ok. But when you switch the tap off ... [Read more]

IGNITION FAILURE?

I have a two year old Ariston Genus H E 32MFFI and when i open the hot water tap it fires up for a few seconds... [Read more]

my vaillant Sine 18 combi boiler has fault?

While I appreciate that it's knocking on a bit, like myself, I feel that there is plenty of life left in the o... [Read more]

potterton flamingo 50 heating wont stay on to reach the temp ?

when i switch my boiler on it fires up normal but when all the rads get hot it turns off and wont come bk on a... [Read more]

low flame on water heater?

have a Mersey Super water heater with two problems..First prob is low flame on pilot which needs to be relit e... [Read more]