How to mend ... Boiler Fires Timer

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]

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]

Protherm 80 e intermittant hot water?

Since turning timer off but leaving boiler on winter setting I now find that boiler only fires up 1 in 2 times... [Read more]

How can i fix my Baxi 80e?

when my boiler is hot it fires up for about 3 to 5 secs goes of for about 20 to 30 secs. Timer not working as ... [Read more]

HOW CAN I FIX MY BOILER MICRON 50FF?

Hi My boiler doesnt always fire up. It fires up when the timer switches on but does not fire up again for a ... [Read more]

Boiler fires up for hot water but NOT for heating ?

Hi My Boiler fires up for the hot water and this works however my heating does not come on at all . The timer ... [Read more]

my hot water from the taps doesnt work?

i have a sime format 100, the boiler wont fire up when i turn on my hot water, the water is only luke warm whe... [Read more]

boiler fires up even when timer set to off?

I have a pottertonf boiler with an EP2001 timer. I have to switch the boiler off at the wall because the boil... [Read more]

Potterton Prima F50 startup problem?

initially the boiler doesn't fire up when instructed to by the timer. You can hear what sound's like a fan whi... [Read more]

Pilot light on but no hot water or radiatiors on?

The pilot light is on and the boiler fires up i think it makes the sound and kicks in to go along with timer b... [Read more]

We get hot water when we turn on the heating but not otherwise?

If we turn on the external heating thermostat, the central heating system works (boiler fires and radiators co... [Read more]

baxi bermuda 401 back boiler will not stay on?

I have a lovely old boiler that was serviced 2 months ago and suddenly now when the timer comes on the boiler ... [Read more]

SIME FRIENDLY FORMAT 80E WONT FIRE UP???? PLEASE HELP!!!!?

the boiler is set to turn on via the timer which it normally does without any problems in the morning.during t... [Read more]

my vokera combi 80excel timer does not work?

I have to keep my boiler switched off most of the time because when i have it on it fires up the heating. If ... [Read more]

what is wrong with my glow worm mark 2 boiler ?

i light the pilot light and thats ok, turn on the thermostat and the timer and the boiler fires up, stays on f... [Read more]

Ravenheat RSF 84ET operates continuously?

The boiler fires up on its own when there is no demand from timer or room stat and because the recirc pump is ... [Read more]

Potterton Prima 30B 0086?

my boiler fires up when it is actually switched off on the timer. It is located in the garage. I can hear th... [Read more]

How can I fix the timer on a Vaillant 282E turbo max?

The timer on my Vaillant 282E Turbo max, no longer fires the boiler, although the boiler itself does work and ... [Read more]

potterton 50e Boilier will no fire up central heating is only selected?

Hi all, Can anybody suggest what need replacing to fix the following problem Potterton 50e boiler. when t... [Read more]

Potterton Puma-no central heating but hot water ok?

Our Potterton Puma has been messing about over the past ew days. The heating simply will not come on either o... [Read more]