How to mend ... Central Heating Timer

S Plan Plus System and Vaillant ecoTEC plus 831?

Vaillant ecoTEC plus 831 boiler is in and running the house heating and water. Control of heating is only by... [Read more]

Kingfisher Potterton Boiler?

Hi, I have a kingfisher Potterton floor standing boiler (old system with water tank) and for the past 2 day... [Read more]

worcester 24i rsf. intermittent pump and unreliable burner firing?

problem with boiler - when i demand hot water, the pump will work but sometimes burner will not fire up, somet... [Read more]

central heating timer clock memory?

ferroli optimax he 31C central heating timer clock does not keep time programed in. For more than 48 hours ... [Read more]

Baxi Combi Instant 105e hot water works but no heating?!?

Hi I have a Baxi Combi Instant 105e. The hot water preheat function works, and so does the normal hot wa... [Read more]

I need a wiring diagram for an apt timer?

would you oblige me with a diagram for an apt timer with an Off On Clock sliding switch. It is for oil centr... [Read more]

How can I fix my baxi combi 80eco?

baxi combi 80e central heating works even though the on/off selector is in the hot water only position and/or ... [Read more]

Heating light comes on regularly when when timer from thermostat is off ?

The 24 HE boiler is set on central heating and water. heating and is working well. However even when central h... [Read more]

how can i adjust temprature and make it work 24 hours?

i have a drayton gas central heating timer. It keeps on stopping and reverting to old temperature. i do not kn... [Read more]

f24 central heating linked to hot water use. ?

have f24 boiler. irrespective of the timer the central heating comes on immediately after the hot water is u... [Read more]

my timer is not bringing the hot water on but the central heating does come?

the timer has been woking perfectly untill recently when i started useing the central heating the heating come... [Read more]

How can i get heating back on after power cut?

I have a central heating system - the timer lost power for a long time while i was on holiday. I had to repla... [Read more]

central heating/drayton RF!?

my ch is controlled via a Drayton RF1 thermostat and wall mounted boiler timer/control box. The thermostat is ... [Read more]

combi boiler rsf 82et not working correctly?

my combi boiler is not working correctly, everytime you turn the tap on.its pot luck if you get hot water or n... [Read more]

How can I fix my Chaffotaux & Maury HE combi boiler?

When you turn the hot tap on the boiler fires up but then after a few seconds it stops working and EO4(no flam... [Read more]

My Baxi solo 3 PFL boiler will not fire up when on central heating only ?

My Baxi solo 3 will not fire up when set to central heating only. Will fire up when set to hot water only and ... [Read more]

how can i fix my potterton prima 40 f central heating?

We have turned off our central heating for the 'summer' but left the water on timer. When the hot water comes... [Read more]

Water heating is fine but central heating will not switch on?

Vaillant ecoTEC plus: water heating works fine but the central heating will not switch on - there are no error... [Read more]

I can't have my hot water on without central heating as well. Is it motoris?

I can't have my hot water on without central heating as well. Is it motorised valve or thermostatic timer cont... [Read more]

Ravenheat LS100T combi boiler?

The boiler is not working on either the hot water or the central heating. When I go to switch it on the green ... [Read more]