How to mend ... Water Hot Heat Cold

while running hot water boiler runs hot & cold for the duration tap is on?

tested gas supply 21 mb flow rate 12 ltr removed heat exchanger dhw clear changed both ch &dhw sensors checked... [Read more]

baxi combi boiler?

i have a baxi combi boiler it works great on the central heating, but when i want hot water it starts off hot ... [Read more]

my hot water runs cold and radiators don't always heat?

I have a baxi combi boiler about 4 years old. For a few weeks now hot water has on occasions gone ice cold and... [Read more]

howling noise on start up what is causing it?

I have a Glow-worm 15hxi gas boiler for my hot water and c/h system fitted by British Gas approx 30 mnths ago ... [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]

Ravenheat CSI 85 A (T) combi boiler?

While the C.H is on, I turn the hot water tap on, the water runs cold and the boiler turns off. If I switch t... [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]

All the radiators work except one. I have tried a few things but still?

Hi, Hope you guys can help. This winter my radiator in my bedroom doesn't heat it up properly, it is warm a... [Read more]

HOT WATER?

We have 4 year old Ariston boiler and an extended warranty with D&G. Our hot water constantly alternates from ... [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]

why dose my hot water keep going hot and cold?

my hot water keeps going hot and cold ive put new diverty value heat exchange and heat sensors on it

i have a worcester 28i combi boiler ive got hot water radiators cold?

no heat at radiators but i have hot water at taps

how can I fix my Bristan Pisa shower - cold water only?

I have a Bristan Pisa which was working fine until a few days ago, now it is only giving cold water. The rest... [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]

HOW CAN I FIX MY COMBI F30?

THE PILOT LIGHT KEEPS GOING ON AND OFF, WHEN TAPS ARE SWITCHED ON, WHICH IS MAKING THE WATER BOILING HOT THEN ... [Read more]

Omega 2001, the heater will only blow cold. all the pipes are hot any ideas?

i have a 2001 Vauxhall Omega it wont heat up. it blows cold air but wont blow hot. the local garage said all t... [Read more]

Gainsborough Energy 2000x Heat Exchanger?

My shower just all of a sudden make a funny noise then the water turned cold, it still works but doestn produc... [Read more]

Vaillant Turbo MAX 282E?

Hi i have a vaillant Turbo Max 282E i have a problem that when i open the hot water after 3-seconds it goes co... [Read more]

Worcester oil heatslave 20/25 about 4years old. ?

When i ask for hot water I get the pre-heated hot water but when this is exhausted it runs cold. The boiler st... [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]