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We have 261 questions about mending 'heating central timer'

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Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

how can i fix my glow worm micron boiler?

When my hot water timer ignites it also turns on the central heating altough the ch timer is switched off and ... [Read more]
Mend Heating, Home Heating Systems

Potterton ep2001?

Hi we seem to have a problem with our control panel, all the lights are on, and the hot water is currently set... [Read more]
Mend Heating, Home Heating Systems

wiring thorn emi m44/54b To a Tempus 7?

Does anyone know how to wire a Tempus 7 timer to a thorn emi m44/54 boiler. I've got the water heating but not... [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 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

how to fix timer on Saunier Duval boiler?

The timer on my SD boiler doesn't go around as it should. I can hear it ticking when I put my ear close and if... [Read more]
Mend Heating, Home Heating Systems

have central heating working but no hot water?

Have an old potterton SP2000 programmer can set for central heating or just hot water or both. The timer is w... [Read more]
Mend Heating, Home Heating Systems

My boiler pump runs continuously and fires even when timer switch is off?

I have a potterton boiler, potterton time switch with HW and CH having separate controls. The boiler recently... [Read more]
Mend Heating, Home Heating Systems

Saunier Duval Thelia 623 has hot water but no heating help?

For the last 4 weeks i have had the boiler on Summer mode ie just used fof hot water which is ok , but when i ... [Read more]
Mend Heating, Home Heating Systems

Baxi 80E heating is on constantly even with timer switch in off position?

Central heating pump is constantly running. Boiler lights up intermittently, runs for few seconds, then flame ... [Read more]
Mend Heating, Home Heating Systems

How can i fix my Baxi boiler ?

My Baxi boiler Instant 105 HE seems to come on to central heating even when the timer is not set to do so? It ... [Read more]
Mend Heating, Home Heating Systems

Protherm 80e Control Board?

It looks as if my control board on my Protherm 80e has blown. No central heating, hot water or LED's. The time... [Read more]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

Potterton Suprima 50?

I have a Potterton Suprima 50 boiler and the red light keeps staying on permanently (not flashing) and the gre... [Read more]
Mend Heating, Home Heating Systems

Heating keeps going off?

My central heating & hot water are not coming on if I turn them on at the wall or on the set timer. However, i... [Read more]
Mend Heating, Home Heating Systems

Baxi combi 80Eco heats radiators when selector switch on water only?

Baxi combi 80Eco boiler heats radiators when selector switch is on both central heating and domestic hot water... [Read more]
Mend Heating, Home Heating Systems

How Do I Rid Hot Water Brown Colour ?

I have a Myson Midas BF Combi Boiler. Early model ? This model has two pumps with electromechanical timer. One... [Read more]
Mend Heating, Home Heating Systems

My heating will not come on, I have a Ferroli F24b... Any ideas?

I have hot water but no central heating. I have checked the output of the timer model and this is working. W... [Read more]
Mend D.I.Y, Plumbing

Central heating not working at all?

Boiler is working, hot water in the taps, pump is working on the boiler, thermostats and timer working okay, t... [Read more]
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