How to mend ... Help Hot Central

how can I fix?

one radiator upstairs does not get hot when the central heating is on

boiler pressure drops to nil after use!!!?

i can use the hot water all day long and pressure stays same... i put central heating on and it works perfect,... [Read more]

The pump appears to be operating when central heating is not on?

The water pump seems to be operating even when neither the hot water nor the central heating system is calling... [Read more]

Problem with installing Drayton MA1 Valve & Actuator?

Hi everyone, I swapped out a failed switchmaster acutuator, and replaced it with a Drayton MA1 and wired it us... [Read more]

Potterton Puma 80 fires up then stops?

potterton puma 80? I run my central heating and the boiler ignites for about 20 seconds then stops. it will... [Read more]

Radiators not heating?

Hi Can someone help me please, i put my central heating on yesterday and this morning i found my radiators we... [Read more]

worcester bosch greenstar 24i?

central heating not working, hot water yes. no fault indications reset no effect. burner on green light comes... [Read more]

Vaillant Ecotec plus 824 with no central heating?

Please help!! We've been in this house for almost a year - so I'm not sure when the boiler was installed bu... [Read more]

i have full central heating but no hot water. a classic rxrs?

i have central heating but no hot water , no matter how long i leave it on .

How can I fix an F5 fault on feroli DOMIcompact boiler?

The boiler fails to ignite within 30 seconds when changing between hot water and central heating and vice vers... [Read more]

banging pipes?

i have an ideal icos he24 boiler.over the last 6 months the system has slowly developed a very very loud bang... [Read more]

halstead ace he 30 dhw problem?

Hi All, I wonder if there is someone out there who can help with a very strange fault on a Halstead Ace HE... [Read more]

How to relight My boiler?

My sime boiler super 105 mk11 wont light And i have no hot water or central heating.

potterton puma 80?

Central Heating Comes on, When Hot water is Turned On. potterton puma 80

why have i no hot water?

When i turn the hot water tap on the water is constantly cold. But when i put the central heating on the valve... [Read more]

halstead high ace?

my ace high works with hot water.every now and then it locks out and central heating works when it wants to.ho... [Read more]

hot water and heating timer?

i have got the old rotery style timer for water and central heating and i want to replace it with new one. how... [Read more]

icon 23t boiler help?

can anyone tell me why when i turn the hot tap on, the central heating turns on as well. have had the diverter... [Read more]

ikon 23t boiler help?

can anyone tell me why when i turn the hot tap on the central heating turns on as well. have had the diverter ... [Read more]

ravenheat 82et combi?

when i turn the domestic hot water on and run for 1 minute the central heating towel rail heats up also a smal... [Read more]