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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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Mend Problem Heating Drops

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We have 55 questions about mending 'problem heating drops' in category Heating, Home Heating Systems which have been answered

How to mend ... Problem Heating Drops

Pages 321
Mend Heating, Home Heating Systems

Boiler Hot water intermittently losing temp, Heating seems fine?

The title explains the main issue, for some reason the hot water drops often every 20 secs or so, sometimes it... [Read more]
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Potterton Programmer not controlling stat?

I developed a fault on my Potterton system as a direct result of trying to change the in room stat (Potterton ... [Read more]
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Pressure increase and decrease problem?

I have a vaillant combi turbo 824e and have noticed the pressure dropping to well below 1 bar. I top up and bl... [Read more]
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Pressure constantly dropping and then the heating will not operate?

The pressure is set at approximately 1.5-2.0 bar. Over a period of 3-4 days the pressure drops to below 1.0 b... [Read more]
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How can I fix my Saunier Duval Semia Condens boiler?

The Central Heating (CH) side works perfectly but the Domestic Hot Water (DHW) has developed a problem, thus..... [Read more]
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Water Pressure & On/Off/Reset Selector Switch !?

My boiler is the Potterton Performa 24 Eco HE. I have two problems or maybe just one as I think they are conne... [Read more]
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ferroli f24 heating boiler low water pressure problem?

i have a ferroli f24 it funtions well but i but now have a problem the water pressure drops below the 1 bar af... [Read more]
Mend Heating, Home Heating Systems

heating system?

I had a glow worm 24hxi boiler fitted to my existing y plan system using the original controls(programmer,room... [Read more]
Mend Heating, Home Heating Systems

Boss Room thermostat BPS242RF problem?

having problems setting heating to come on with timer. If the temperature drops below comfort setting it come... [Read more]
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Problem with hot water demand?

I have a vaillant 824 E, problem with hot water demand - boiler kicks in on start up but temperature on boiler... [Read more]
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Boiler expansion pipe blowing back?

Hi! I have a two-storey house, the boiler was originally on the ground floor. Seven years ago the boiler was r... [Read more]
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pressure problem?

Hi Our boiler has been fine for a couple of years & now all of a sudden the water pressure drops to nothing e... [Read more]
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low water pressure F28 lockout, Vaillant Turbomax plus 828E ?

Hi guys, Hope you can help. I've viewed all the relevant and some of the irrelevant posts on similar subjects ... [Read more]
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My Potterton 80e often doesn't start up anyone know why?

My Potterton 80e gas central heating and hot water boiler often won't fire up on its own . We tend to have ... [Read more]
Mend Heating, Home Heating Systems

Worcester 9.24 Electronic BF boiler, pressure keeps dropping?

Hi my boiler keeps dropping the pressure, this happens straight after the central heating goes off and sometim... [Read more]
Pages 321
Mend Heating, Home Heating Systems

Boiler cycle?
Mend Heating, Home Heating Systems

Vaillant ecotec 831 plus?
Mend Heating, Home Heating Systems

Remove boiler cover?
Mend Heating, Home Heating Systems

Worcester boiler dripping water?
Mend Heating, Home Heating Systems

How do I work my Storad storage heater?
Mend Heating, Home Heating Systems

Siemens RDJ10RF thermostat problem?
Mend Heating, Home Heating Systems

Worcester Bosch 532/i Combi Boiler?
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Fan tries to run every 15 seconds then stops immediately?
Mend Heating, Home Heating Systems

Vaillant F22 fault?

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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