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We have 113 questions about mending 'manual central heating' in category Heating, Home Heating Systems which have been answered

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vaillant VCW GB 240 X H combi boiler?

I have a valient combi boiler and want to set up a timer for the central heating at the moment it is completel... [Read more]
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operating manual for Ferroli Optimax HE 31 C?

Where can I get a manual for this combi boiler? It has been installed in my home and the contractors didn't le... [Read more]
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How do I alter the time on my central heating controller?

I have just bought a house which has a Randall 102 timer already installed. I do not have the users manual fo... [Read more]
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honeywell 4073A 3 position diverter.how do I fix this?

My Diverter valve is not changing from central heating to hotwater. there is a manual over ride,but nothing ... [Read more]
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Combi stops firing for hot water when cold tap turned on?

Hi I have a Worcester Bosch Thermotechnik combi - on the boiler casing is a Bosch-stamped cert saying it is... [Read more]
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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]
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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]
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Problems with Ravenheat Combi RSF Fanned?

Boiler has no markings on, but have manual that says... Fanned Combi RSF 84E - RSF 100E RSF 84ET - RSF ... [Read more]
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How can I set the heating timer?

I have moved into a house with a Jaguar combi central heating system. I do not have the manual for it though ... [Read more]
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Baxi WM532RS hot water working but not central heating?

We've recently moved house and have no manual for this aging boiler. The pilot is on and it appears to be doi... [Read more]
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i have a vaillant 837e boiler which indicates f24 in the display panel?

my vaillant 837e stops heating water and central heating once or twice a day,when it does this fault code f24 ... [Read more]
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How to set clock on Worcester Bosch Greenstar 28i Junior?

Hi there, our heating doesnt go off when the time goes past the time I set it for. I cant find clock setting i... [Read more]
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my vaillant wont let me have central hearting?

i have a eco max 824 and have hot water but no heating i also have no installation/instruction manual.
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Ferroli Optimax HE31c - What is fault code F12?

Ferroli say there is no such fault code, either I'm going blind and the manual just leaps for fun from F11 to ... [Read more]
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How can i fix my Ideal HE boiler?

My boiler goes through its start up sequence then goes off after a while with HE flashing on the display,the c... [Read more]
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manual for j15-22 mk3 modairflow johnson & starley?

could anyone help i need the instructions to use the above central heating system i have no instructions due t... [Read more]
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Why doesn't my worcester 350 give hot water?

I have a worcester 350 combi boiler and programmer. It recently decided to stop delivering hot water. When a h... [Read more]
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Valliant TurboMax Plus 828 / 2E have CH no hot water?

My Valliant Turbomax Plus 828 / 2E seems to have central heating working ok - at times there is no hot water. ... [Read more]
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Britony Combi 80 no pressure?

My Britony Combi 80 central heating system has stopped working (but hot water was OK) and the pressure gauge s... [Read more]
Mend Heating, Home Heating Systems

Britony 80 Combi Boiler?

When I set the timer for the central heating to come on (manual clock) it attempts to ignite but keeps trippi... [Read more]
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