How to mend ... Heat Water Temperature

Powermax 155x Lack of hot water?

I have a powermax 155x with expansion tank in the loft, the supply of hot water is very minimal both in volume... [Read more]

Boiler keeps switching off Alpha CB24x?

I have an APPHA CB24X COMBI BOILER. My boiler starts working ok, but after a while it switches itself off. and... [Read more]

Boiler keeps switching off?

I have an APPHA CB24X COMBI BOILER. My boiler starts working ok, but after a while it switches itself off. and... [Read more]

hot water only going to 60c, ?

cheaned the plate heat exchanger and replaced temperature sensor, do i need to replace the plate heat exchange... [Read more]

Vokera Linea 24 hot water temperature anybody?

Need some advice on our vokera linea24. Had a proper look in manual,but can't find all answers.We have a prett... [Read more]

I think that I have an air lock at the bottom of my hot water system?

I have a potterton boiler, feeding the heating and hot water. The hot water is held in a vented cylinder and h... [Read more]

heating stays on same temperature,and the hot water stayes on ?

Hot water stays on after being turned off on main switch, and the heating stays same temperature even if the d... [Read more]

Potterton Suprima 30?

I have a Potterton Suprima 30 boiler fitted with the latest PCB board. British Gas have just replaced my pump,... [Read more]

How can I fix my Chaffoteaux Britony boiler SE 80?

The hot water, whether the heating is on or off, fluctuates between hot and cold in a 30 odd second cycle. The... [Read more]

problem with Sime 105 Super Mk 2?

Hi, I have a problem (again) with my Sime combi boiler. When the burner flame switches off on either heating o... [Read more]

What's wrong with my Vaillant Ecotec Plus boiler?

When my central heating (but not hot water) is turned on there is a brief ignition of approximately 30 seconds... [Read more]

Micron 40ff heating up then cooling right down before starting up again. ?

Please help I have a Micron 40ff with radiators with TRV's & a room stat, I replaced the old style PCB about 3... [Read more]

Potterton Kingfisher MFL lockout?

boiler is locking out occasionally (once a day). Prior to lockout all radiators get VERY hot and there seems ... [Read more]

How do I overcome thermostat response delays in my underfloor heating?

I have a new house with hot water underfloor heating and 8 zones. Some zones have ceramic floor tiles and tak... [Read more]

my central heating boiler runs but doesnt heat the radiators?

the problem is as follows, when i swithch on my boilerthe pump runs (not sticking) and it ignites heats up the... [Read more]

Potterton Puma 100/100e - hot water but no heating!?

Hope someone can shed some light on this problem before we have to get a new boiler installed. Our hot wate... [Read more]

Vaillant powermax ?

Am having a problem with my central heating. I can't seem to get the temperature of the house to be any more ... [Read more]

No heating - 3 port motorised mid-position valve?

I have a Tower Mid-Position Valve and although I can get hot water my heating will not come on when we switch ... [Read more]

Baxi 105HE Heating fault?

I have a Baxi 105HE combi boiler. When the hot water is in demand the boiler will run ok no matter how many t... [Read more]

Vaillant Combi VCW 25/1 T3 Hot water temperature lowish?

My boiler has been in operation since 1983 and I have replaced various parts over the years so am fairly happy... [Read more]