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We have 71 questions about mending 'boiler boiling hot'

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Mend Heating, Home Heating Systems

Radiators overheating?

My hot water and central heating heat up to boiling point. I have turned the thermostat down in the boiler bu... [Read more]
Mend Heating, Home Heating Systems

Where is the thermostat on a Glow Worm Space Saver boiler?

Hi, I've just moved house and the water is boiling hot. I can't find the thermostat on the Glow Worm Space Sa... [Read more]
Mend Heating, Home Heating Systems

Hot water keeps boiling?

DHW (gravity fed HW pumped CH system; Potterton floor standing (?1200) balanced flue boiler replaced 6 years a... [Read more]
Mend Heating, Home Heating Systems

Phantom starts?

Combi 80 Central heating off, summer use of hot water only. Boiler static,power on, when extract fan starts sh... [Read more]
Mend Heating, Home Heating Systems

Worcester 24i rsf ignition Problem?

This boiler is 'hunting' when the hot tap is turned on, it does eventually light, but my wife is getting so fe... [Read more]
Mend Heating, Home Heating Systems

myson economist boiler?

hi could you help me ...my hot water is permenantly hot?? how do i get it to cool ive switched everything off ... [Read more]
Mend Heating, Home Heating Systems

any ideas on a ravenheat 820/20 combi boiler?

The boiler shuts off about 5 minutes after running a bath,when the hot water tap is opened afterwards the wate... [Read more]
Mend Heating, Home Heating Systems

Potterton Netaheat 10/16 Electronic cuts out?

My boiler was not used for 2 months. When I turned it back on it fired up and ran for about 1 minute until it ... [Read more]
Mend Heating, Home Heating Systems

Immersion Heater Not Heating?

Since my gas boiler went wrong (waiting for warmfront to replace), I have been making do with my electric imme... [Read more]
Mend Bathroom Appliances, Baths and Showers

Water runs hot and cold boiler makes a noise as if there is air in it?

I have a turbomax boiler, the heating runs fine and isn't a problem, when i turn the hot water on it will run ... [Read more]
Mend Heating, Home Heating Systems

Sime Friendly Boiler Heating comes on when running bath/shower!?

My Sime Friendly Boiler is coming on whenever someone turns on to take a shower/bath/or do the washing up. The... [Read more]
Mend Heating, Home Heating Systems

Worcester 240 - WAter coming out too hot - causing overheat saftefy cutoff?

Worcester 240 Combi RSF. The Tempereature knob in the front doesnt seem to make any difference, as the wate... [Read more]
Mend Heating, Home Heating Systems

Vokera Sabre 24 - No hot water?

Boiler is not firing up when the hot taps are opened. When boiler is switched on manually I get hardly any flo... [Read more]
Mend Heating, Home Heating Systems

How can I fix my Pulsacoil Boiler?

I have a Pulsacoil 3 boiler in a relatively new flat I have just purchased. It is electric heating so the boil... [Read more]
Mend Heating, Home Heating Systems

Potterton Puma 80E Combi overheats and trips out on hotwater cycle?

When the hot water is adjusted or moved from its minimum setting the boiler trips out. Why? Almost every part... [Read more]
Mend Heating, Home Heating Systems

whats wrong with my friendly format sime 80e combi bolier?

hi woke up today boiler not well any ideas what could be wrong? heating works fine,however problem with water ... [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

glow worm swift 80 - not keeping a constant temperature?

Hi Whenever we have a shower - it does not maintain a constant temperature. We can get boiling hot water -... [Read more]
Mend Heating, Home Heating Systems

What is wrong with my Potterton Puma 80?

Potterton Puma 80 Have recently had new pressure relief valve fitted, but pressure still fluctuates wildly, w... [Read more]
Mend Heating, Home Heating Systems

potterton puma 80 - basic model?

I was not aware of the boiler being on but on checking, the radiators were boiling hot but the actual central ... [Read more]
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