How to mend ... Boiler Help Hot Water

how to change thermistor on biasi m1132sm/e?

as above, on demand the burner goes on and off thus water goes hot and cold even with tap on half demand, boil... [Read more]

Potterton Netaheat Electronic Boiler?

My Potterton Netaheat Electronic Boiler won't fire up to heat the water unless the central heating is also on.... [Read more]

why is my vaillant combi firing on and off when the tap water in on?

when the hot water is on the boiler keeps firing on and off

Boiler will sometimes not fire up?

I have a Ferroli Combi 77 FF which has started to play silly beggars. Sometimes when the hot water tap is tur... [Read more]

Heating/hot water?

Hi, I have a Glow worm Swift flow multipoint boiler. My problem is that, more often than not, I have to switc... [Read more]

what do the flashing lights on my greenstar 24i boiler mean?

My greenstar 24i boiler keeps turning itself off when i run the hot water,when this happens the blue light fla... [Read more]

My Baxi Boiler .Can I have just water heating. ?

have programmed my boiler for twice a day in Summer .The hot water comes on only warm. How do I have hot water... [Read more]

DHW fluctuates too much hot/ cold?

I have a BAXI LUNA 310 Fi.high efficiency wall mounted combination boiler. The DHW cycles toooo low allowing ... [Read more]

intermittent hot water - Valliant Combi?

Hi, I have a Valliant Combi (about 10yrs old, no model number that I can find) that sometimes just doesn't giv... [Read more]

i have a glowworm 35ci. there is a f5 fault code?

the boiler stays on but when turn on the hot water tap or the heating the fault appears straight away

potterton flowsure plus?

hot water and central heating work however my problem is this: couple of weeks ago boiler seemed to 'cycle' a... [Read more]

my vokera boiler wont stay on!!!!?

when we turn on the hot water the green light comes on then after about 30-40 seconds just turns off and goes ... [Read more]

range powermax 155x hotwater problems?

when I turn hot water tap fully on a clunk and a groan comes from the boiler and the water stops flowing imedi... [Read more]

how can i fix ravenheat LS100 combi boiler?

my Ravenheat combi LS100 would not give hot water without turning the heating on. we put up with this until th... [Read more]

no hot water?

Hi my boiler is working for the heating but not for the hot water, any idea what might be the problem please. ... [Read more]

Ideal Classic LXFF & FF Fanned Flue Gas Boiler FF280?

We have just moved into a house with an Ideal Classic LXFF & FF Fanned Flue Gas Boiler FF280, but have no inst... [Read more]

central heating not working,xtafast,combi boiler 96/10?

The hot water works great but not the central heating

How can I fix my Sime Super 80 low pressure?

The grey handle on the dial to the front right hand side of the boiler has dropped to zero. My hot water is no... [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]

Potterton Performer 24?

Hi, when we turn the shower on the boiler flames goes on and off the whole time ? So we get hot water for 1 m... [Read more]