How to mend ... System Heating Water

hot water flow?

i live in a 5 bedroom house and we have a unvented heating system. Lately the flow of the hot water has got a ... [Read more]

Motorised valve for boiler?

I have a problem with my boiler- i only get hot water when the CH is switched on - i think the problem is with... [Read more]

Boiler Vaillant 824e turbomax ?

central heating has stopped working. it was connected with wireless thermostat, intially i thought something i... [Read more]

my Ravenheat 820/20 combi keeps overheating?

when the boiler powers up on central heating the boiler keeps running and makes the water presure go above 3 b... [Read more]

morco feb24 ed leaking hot water outside?

When the system boosts the heating it poor's hot water outside the caravan, the pressure was really high and w... [Read more]

Potterton EP2001 Central Heating Programmer Fault?

Programmer is in off position but Hot Water is being supplied to the tank. Only way to switch off hot water to... [Read more]

heating system?

vokrea boiler getting central working but cannot get hot water working for shower ect

boiler not heating water?

My boiler is heating the central heating but not the hot water. we have recently had a leak in the pipe and ha... [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]

Could this be a problem caused by the boiler or is it with the wiring?

I have a glow worm ultimate boiler. The boiler is 12 years old and appears to be functioning perfectly. The pr... [Read more]

Worcester28i junior?

I have a Worcester 28i junior the heating and hot water are working except my sink hot water tap runs slowly t... [Read more]

Potterton Programmer not controlling stat?

I developed a fault on my Potterton system as a direct result of trying to change the in room stat (Potterton ... [Read more]

Vaillant ecoTec 831 I have hot water but no heating?

Please help! Our heating has suddenly stopped working. The display shows that the internal pump is running, ... [Read more]

grundfos selectric 15-50?

Central heating working ok but hot water only luke warm. Large screw ! in center of pump is pointing to '130'... [Read more]

How can I get rid of trapped air in central heating system?

After replacing the small rubber seal on the shaft of the hydraulic actuator in my BIASI 24S Combi boiler, the... [Read more]

Condensing boiler overflow dripping?

We moved into a newbuild 18 months ago but over the last 2 months the overflow pipe to my boiler (located dire... [Read more]

Does my boiler need it's gas pressure adjusting ?

My Sabre 35 Combi boiler fires up ok when i turn on the hot water tap, but the water has to run for ages befor... [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]

Pressure constantly dropping and then the heating will not operate?

The pressure is set at approximately 1.5-2.0 bar. Over a period of 3-4 days the pressure drops to below 1.0 b... [Read more]

Greenstar CDi combi boiler overheating?

Hi, Greenstar CDi combi boiler 3 years old. Top floor radiators cold so bled, this dropped water pressure to z... [Read more]