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We have 362 questions about mending 'central hot switch'

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Mend Heating, Home Heating Systems

Baxi 105HE Heating fault?

I have a Baxi 105HE combi boiler. When the hot water is in demand the boiler will run ok no matter how many t... [Read more]
Mend Heating, Home Heating Systems

Promax HE not heating radiators?

I have had a potterton promax 28 HE installed some months ago. The installer cannot now be contacted :( It wor... [Read more]
Mend Heating, Home Heating Systems

My vaillant 824e only either gives hot water or central heating?

My vaillant 824e combi boiler only gives hot water or central heating. If I am wanting hot water I have to swi... [Read more]
Mend D.I.Y, Plumbing

How do I fix my hot water tank?

I have a free standing boiler and when I switch on the heating for water or central heating it boils excessive... [Read more]
Mend Heating, Home Heating Systems

how can i find out what is wrong with worcesster 350 rsf combi bioler ?

as soon as i put my central heating on my boiler cuts completely i have to reset overheat switch but if i onl... [Read more]
Mend Heating, Home Heating Systems

baxi 105e domestic water led wont go out?

my baxi 105e when you call for hot water it fires no problem and delivers ok. But when you switch the tap off ... [Read more]
Mend Heating, Home Heating Systems

Profile 60E Boiler, Hotwater but no Central Heating??

Hi, I have a Potterton Profile 60E boiler, seems to operate fine for the hot water but not for the central hea... [Read more]
Mend Heating, Home Heating Systems

Operating Instructions?

Does anyone know where i can get operating instrucions for a Landis & Gyr central heating/hot water system? I ... [Read more]
Mend Heating, Home Heating Systems

Sime Friendly Format 80E - flame cuts out intermittently?

Hi, I hope someone can give me some advice. My boiler cuts out after it has been on for a while. Initially... [Read more]
Mend Heating, Home Heating Systems

How can I get hot water Mynute 14se?

I recently bought a property with this boiler but no operating instructions. I get central heating fine but n... [Read more]
Mend Heating, Home Heating Systems

baxi 105e, central heating perm on?

Hi I have a Baxi 105e. The heating is on constant even when the manual programer on the boiler is switched... [Read more]
Mend Heating, Home Heating Systems

Ravenheat CSI 85AT Boiler. Central Heating not working?

After switching the setting on my Ravenheat CSI 85AT Boiler to Central Heating and Hot Water (its been set to ... [Read more]
Mend Heating, Home Heating Systems

tank of hot water but no central heating?

the hot water switch starts everything working and heats a tank of water, plus one radiator! however, the cent... [Read more]
Mend D.I.Y, Plumbing

Why don't I have hot water after installing a washing machine?

Hello there I hope someone can help... We disconnected and reconnected the dishwasher and washing machin... [Read more]
Mend D.I.Y, General D.I.Y

Worcester combi 440 boiler?

I got an 18 month boiler which was working ok till few month ago. I noticed that the pressure is dropping and ... [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

How can I fix a Potterton Prima F Boiler?

I have a Prima F Boiler. The problem I am having is when I call for either hot water or central heating the f... [Read more]
Mend Heating, Home Heating Systems

Why does my boiler go g-g-donk and then lock out?

My Chaffoteaux & Maury Britony combi has an intermittent problem. About a minute after turning hot water off, ... [Read more]
Mend Heating, Home Heating Systems

i cant get no hot water from my britony combi 80?

can anyone help when i switch hot water on and run the hot tap, water is cold and the central heating comes on... [Read more]
Mend Heating, Home Heating Systems

Potterton Suprima 50?

Hi, I have a Potterton Suprima 50 that was constantly locking out. The upgraded PCB sorted that problem but no... [Read more]
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