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We have 422 questions about mending 'boiler heat radiators'

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Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

Why when my boiler is on 'Water only' is my heating coming on?

My boiler is the Glow Worm - Space saver MK11 and is currently on water only, as we don't need the radiators (... [Read more]
Mend Heating, Home Heating Systems

FAO Bobby Rob re sime friendly combi boiler?

you seem to know what you are talking about re sime boilers, can you help me with this one? i have a sime fri... [Read more]
Mend Heating, Home Heating Systems

No CH with Potterton Puma 80?

I have a problem with a Potterton Puma 80 in that the CH does not appear to be working and there is no heat go... [Read more]
Mend D.I.Y, General D.I.Y

what is wrong with my worcester 15/19 combi boiler?

we put the water on and the radiators heat up - we cannot run enough hot water for a bath even if the water is... [Read more]
Mend Heating, Home Heating Systems

how can i fix my baxi combi boiler which has no hot water but the central h?

i have just moved into a house which has a baxi genesis combi.the radiators heat up fine but there is no hot w... [Read more]
Mend Bathroom Appliances, Baths and Showers

Vaillant Turbomax plus combi - CH runs when hot tap turned on?

I have a Vaillant Turbomax plus combi boiler - either the 824E or 828E, I cannot currently see which. I hav... [Read more]
Mend Heating, Home Heating Systems

How do I increase water pressure on my Valliant combi bolier?

I have removed two radiators, replaced them both, but the heat is staying in the lower part of the radiators. ... [Read more]
Mend Heating, Home Heating Systems

Boiler is hot, but my radiators are hardly working?

Long story short, have an enormous boiler downstairs in this old farm house - that is for the ground level of ... [Read more]
Mend Heating, Home Heating Systems

How can I fix my potterton netaheat electronic 10/16?

When I turn my heating on the Gas boiler fires up and I can hear the pump turn on but none of the radiators he... [Read more]
Mend Heating, Home Heating Systems

Hot water OK, central heating not, one radiator warm?

My system (Glow Worm Fuelsaver F boiler) is working fine for hot water, but the central heating won't come on.... [Read more]
Mend Heating, Home Heating Systems

How can I fix my BAXI SOLO 240 PF boiler?

The central heating comes on okay, and switches off by thermostat. But when I switch the hot water on the wate... [Read more]
Mend Heating, Home Heating Systems

Sime friendly format 80E?

Myboiler when in central heating mode will heat the radiators until the set temp is reached then trip out as i... [Read more]
Mend Heating, Home Heating Systems

vokera 80sp - when hot tap is turned on radiators heat up instead?

i have a vokera 80sp combi boiler , when i turn the hot tap on the radiators heat up instead of the hot water.... [Read more]
Mend Heating, Home Heating Systems

Potterton Suprima 100. Central Heating comes on above set thermostat temp?

House is very warm. House thermostat says ambient is 23 deg C, with the 'on' temparature for central heating t... [Read more]
Mend Heating, Home Heating Systems

Combi Boiler only heating water when the heating is on?

Our Fonderie Sime Combi Boiler will only heat the water when the heating is on. If it is off the boiler will ... [Read more]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

how can i fix my potterton kingfisher 2 gas boiler?

fires up then cuts out will not heat radiators etc
Mend Heating, Home Heating Systems

Cold Radiator?

My boiler seems to be working fine, but one of my radiators never warms up. The pipe coming to and from the b... [Read more]
Mend Heating, Home Heating Systems

why is no heat coming from radiator? baxi bermuda boiler?

There is no heat coming from my radiators! All valves are turned on and the radiators have been bled. The hot ... [Read more]
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