How to mend ... Radiators Always Very Hot

I've got a Potterton Prima boiler (not combi).can anyone tell me how to fix?

what happens is that everytime we put the hot water on , the central heating comes on as well . is there a sel... [Read more]

halstead finest gold boiler problem with hot water?

when i just want hot water the radiators keep coming on. even though i have turned the ones with a thermostat ... [Read more]

Gas Heating gone mad ?

we have a gas heating and we basically have three switches, one is a little red one which i think turns on ... [Read more]

How can I fix my Worcester Bosch Combi boiler?

I have a 28cdi and when you run the hot tap the water gets hotter and hotter until the pilot cuts out. After a... [Read more]

boiler have heating but no hot water?

My boiler has stopped heating water but heats radiators whats gone wrong?

Why do the upstairs radiators come on when i run the bath?

I have a Glow-worm 38cxi combi boiler. Just recently the hot water runs just warm even if it is turned to maxi... [Read more]

valiant combi boiler?

when Iturn my central heating on with the thermostat on the wall the boiler fires up but after 30 seconds dies... [Read more]

radiators hot but heating off?

Hi, I have a Bosch combi boiler, the heating is turned off but some of my radiators are quite hot, dont want t... [Read more]

ferroli optimax he31c?

help my daughters hot water won,t work the radiators are ok, it is quite a new boiler, but she has no instruct... [Read more]

Worcester Heatslave 15/19 oil fired boiler problem?

When only hot water is turned on, radiators come on, sometimes not all of them and not always the same ones. T... [Read more]

cannot adjust temp on heating on vokera excell 80 sp?

i usually leave my heating on half way on the tempurature dial, but the radiators are boiling hot so it seems ... [Read more]

Radiators heat up when hot water is on?

HI anyone help? when I run my hot water tap my radiators heat up and the hot water is only tepid

No display on Ferroli Optimax HE 31 C control panel why?

Please help. The control panel has some lines on it (power is on) but no symbols at all - no fault codes, no p... [Read more]

how to get a Vaillant working properly?

My Vaillant doesn't seem to work properly the radiators seem to get really hot or nothing happens to them. But... [Read more]

HOW CAN I FIX MEGAFLO HEATING SYSTEM?

I have just fitted a Megaflo heating system with a Worcester 40 boiler .I have 18 radiators ,of which 4 do not... [Read more]

how can i fix my potterton prima 30 - 80?

the boiler switches off after about 20 minutes. the radiators warm up slightly, hot water does get hot, but on... [Read more]

Baxi Boiler/heating comes on when in off mode?

i have a baxi boiler.The heating is in the off setting for summer, yet whenever I use the hot water for the sh... [Read more]

Bocsh 280 Combi Boiler will not heat radiators?

I have a Bosch 280 Combi Boiler, when asking for hot water i have no problems. When switching to heat the rad... [Read more]

no hot water but hot rads?

My radiators are getting hot but the water is running cold from the tap. Any ideas on what I could do to get t... [Read more]

No Domestic hot water?

I have a Glow-Worm 30ci boiler. The heating side of it works well and all radiators are piping hot, however, t... [Read more]