How to mend ... Faulty Fault Switch

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]

Y Plan - Mid Position Valve 'fault'?

Hi, I have BGMVSP-23 'mid position' valve. (I believe a Y plan setup) Basically the pump only runs when ... [Read more]

Morco Feb 24E CH problem?

Hi My boiler CH heats up to a point then cuts out, possibly coming back on an hour or so later. It will come ... [Read more]

My Ideal Mini C24 Combi Boiler wont ignite?

Last night the boiler was working ok, went to switch the boiler onto constant this morning only to find that i... [Read more]

Hot Water but no CH Potterton Netaheat Profile 30e-80e?

In the last day or so we have noticed that we are getting hot water but no Central Heating (rads are cold etc.... [Read more]

Help with SABRE HE25 COMBI BOILER- RED LIGHT OF DEATH?

Hi, Im after some advise and hoping someone can maybe help me (please!) I have a Sabre HE25 Combi Boiler (sa... [Read more]

ravenheat rsf100et no hot water or heat?

i came to fault find on this boiler, pump runs, fan runs, pressure switch ok boiler lights on pilot light and ... [Read more]

No hot water & central heating - Sime Super 90 combi boiler?

Combination boiler is 9 years old, no hot water or central heating. When hot tap turned on switch clicks but p... [Read more]

Heatline s24 fan doesn't come on?

Hi I have a problem with my Heatline S24 boiler, The power is on but the fault on air preasure switch light is... [Read more]

Apollo Fanfare 15/30 fault?

Hi, My boiler packed in a month or so back, when switched on the fan would just make a struggling sort of n... [Read more]

Fault on Myson Apollo Fanfare30/50?

Hi, My boiler packed in a month or so back, when switched on the fan would just make a struggling sort of ... [Read more]

No heating - 3 port motorised mid-position valve?

I have a Tower Mid-Position Valve and although I can get hot water my heating will not come on when we switch ... [Read more]

Worcester 24i rsf no hot water?

I followed the fault diagnosis and replaced the flow switch. However the boiler reset kept tripping out (overh... [Read more]

Potterton Netaheat Profile 80e?

The boiler will not fire up when heat is called for. The pilot lights up and remains on with the fan working a... [Read more]

Problem with Potterton Netaheat 10/16?

Fans starts on demand, but boiler fails to fire. Pressure switch does not operate, but will operate when I blo... [Read more]

Ferroli hawk 2 air pressure switch fault?

The air pressure switch on my combi is faulty . Is a similar air pressure switch from another ferroli boiler s... [Read more]

My Glowworm Ulti.120FF,is continuously turning itself on and off?

The boiler fires up and runs ok for about a minute,before it starts to switch off and then reignite,this happe... [Read more]

How do I remove PCB board?

The 407677 pcb in my potterton profile 40 is faulty ( thanks to this site for finding answers to symptoms). I ... [Read more]

Potterton Performa 24 combi boiler on off cycling problem?

My Potterton Performa 24 combi boiler ignites correctly but only stays on for a minute initially then switches... [Read more]

PCB for worcester 35cdi mk2 rsf boiler?

Following the fault dianostics, given a fast flashing red lamp, on J flowchart in the owners manua (The fan no... [Read more]