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Vaillant timeswitch 150 analogue unit (clock stopped?

vaillant timeswitch 150 analogue unit. the clock has stopped working.
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Worcester boiler dripping water?

Worcester boiler dripping water, can I just tight the screw? The icon next to the valve looks like radiators... [Read more]
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Vaillant ecotec 831 plus?

Following a F22 fault where we had no heating and only cold water from the hot water tap, I topped up the syst... [Read more]
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We have 835 questions about mending 'valve heating help' in category Heating, Home Heating Systems which have been answered

How to mend ... Valve Heating Help

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over pressure?

I have a greenstar 24i boiler, pressure is normal, when I turn heating on pressure increases and eventually op... [Read more]
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ideal w rs460?

Hi there' im a electrician and have been asked to replace a programmer for this boiler ideal w rs460 which wa... [Read more]
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Vaillant vcw gb242 eh central heating problem?

Hi just wondered if anybody can point me in the right direction, central heating wont come on, if you press th... [Read more]
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Is my boiler a write off?

My 8 year old Baxi 105he appears to have a crossover between the hot water and heating system. When the heatin... [Read more]
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biasi m90e 24s no dhw?

My hot water has been intermittent for a while now it's become worse. The heating is working fine. I have lo... [Read more]
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Heating eratic?

My heating is sometimes very hot then other times just warm with just the heating selected and my new zone val... [Read more]
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Baxi Combi Instant HE80 boiler?

Intermittent fault on the hot water. Sometimes it comes on but when it doesn't I can sometimes get it on by tu... [Read more]
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Central heating not working?

My glow worm micron 50FF works for a short time then shuts down and both lights go out. Neither of the two lig... [Read more]
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how can i fix my baxi 105HE?

my boiler water pressure keeps on goin up to nearly 3bar and expelling alot of water outside.CH works when i ... [Read more]
Mend Heating, Home Heating Systems

combi oil Worcester greenstar heatslave 12/18 switches off?

I have a internal combi oil Worcester greenstar heatslave 12/18 Its has a built programmer and Hot water t... [Read more]
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What is wrong with my ravenheat white star combination boiler,?

I have a ravenheat white star combination boiler,it suddenly decided not to turn off,its on all the time,I hav... [Read more]
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When timer operating water heating the central heating is coming on aswell?

When my timer is operating the water heating the central heating is also switching on when not selected and by... [Read more]
Mend Heating, Home Heating Systems

He 30 ISAR boiler heating coming on when not set to?

My ideai he 30 boiler is set on timed but continually keeps coming on when not suppose have had new diverter v... [Read more]
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Vaillant ecotec plus 630?

Hi. I have a vaillant ecotec plus 630. I get the F.22 error message atleast once a month this year, which me... [Read more]
Mend Heating, Home Heating Systems

how to regulate gas?

hi we have a main combi 25 eco only four years old gas man says might be p c b but boiler shows no error codes... [Read more]
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Vaillant F22 fault?
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Worcester Bosch 532/i Combi Boiler?
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Vaillant ecotec 831 plus?
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Boiler cycle?
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How do I work my Storad storage heater?
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Remove boiler cover?
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Fan tries to run every 15 seconds then stops immediately?
Mend Heating, Home Heating Systems

Worcester boiler dripping water?
Mend Heating, Home Heating Systems

Siemens RDJ10RF thermostat problem?

How to mend ...

Mend Baxi Mend Bosch Mend Boulter Mend Britony Mend Dimplex Mend Drayton Mend Ferroli Mend Halstead Mend Heatline Mend Potterton Mend Remeha Mend Siemens Mend Switchmaster Mend Vaillant Mend Vokera Mend Worcester

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