How to mend ... Hot Boiler Heats Thermostat

1980's Potterton boiler fires up, but radiators not heating?

My old boiler, regularly serviced, fires up, but the radiators don't get hot and I don't think the water is ci... [Read more]

Hot water boiler operates intermittenly?

Boiler will fire when operated manually from thermostat. Will cycle on/off a few times(1-3), then quit(will no... [Read more]

Central heating confusion?

I seem to only get hot radiators while my boiler heats my hot water but as soon as that get to temprature even... [Read more]

Potterton Netaheat 16-22 HW doesn't work without CH?

I have had this problem with our Potterton Netaheat 16-22 Boiler for a while now. It is fine during the winter... [Read more]

Greenstar boiler heating water but not central heating independently?

Hi folks I wonder if you could help me with the following problem - I have a Worcester Bosch Greenstar ri (... [Read more]

vokera linea combi boiler problem?

have just moved house, when the boiler is set to hot water only. when the water temp drops below 40 on the di... [Read more]

Hot Water but no CH Potterton Netaheat Profile 30e-80e?

In the last day or so we have noticed that we are getting hot water but no Central Heating (rads are cold etc.... [Read more]

worcester bosch combi?

i have a worcester bosch greenstar combi boiler, when i turn the hot taps on it takes ages to heat the hot wat... [Read more]

no hot water when central heating off?

I may have the same problem - the water heats up ok when the central heating is on, but when it's off the boil... [Read more]

Potterton Netaheat 1-16 MkIIF heats up water but not the heating?

It was working fine yesterday and today I put the hot water on and it fired fine, nice hot water no probs. Bu... [Read more]

My boiler cuts out?

When i turn on my Glow worm ultimate gas boiler it works perfectly for a while (water heats up and radiators h... [Read more]

Vokera boiler heats hot water tap , but keeps going cold but rads work ?

Vokera boiler heats hot water tap , but keeps going cold but rads work ? If I run a bath it only heats the hot... [Read more]

How can i fix my Glow Worm Space Saver 20 - 30F?

If i blow into the APS (via restrictor) the boiler lights up, heats and runs for about 5 minutes but will not ... [Read more]

Baxi combi 80Eco heats radiators when selector switch on water only?

Baxi combi 80Eco boiler heats radiators when selector switch is on both central heating and domestic hot water... [Read more]

Potterton Netaheat 16-22 boilier - Water heats OK but rads don't?

I have Potterton Netaheat 16-22 which has banging pipes when the water is heating. This is caused by hot water... [Read more]

Why is my Potterton Netaheat 16/22 cutting out?

Hi - can you help? My Netaheat 16/22 Electronic is cutting out. It was installed in 1987, serviced every 5 yea... [Read more]

How can I fix intermittent heating of hot water on my Feroli Modena 102?

When the hot water tap is turned on, The water heats up and cools down cyclically. Looking at the boiler, the ... [Read more]

sime 80 format boiler-no hot water?

Can anybody help my water no longer heats up. The radiators are working fine so i presume this can be fixed. W... [Read more]

Potterton Netaheat 10/16 Mk II - F heats up and cuts out?

My boiler will ignite and heat itself up to being hot to the touch and then turn off without heating the water... [Read more]

Hot water only when radiators are being heated?

I have a combi boiler which only now heats water when the room thermostat is under the set temperature and is ... [Read more]