How to mend ... Intermittent Water One

Vaillant 831 PCB issue?

The boiler is very intermittent when it comes to putting the Rads on, the hot water is fine and has no problem... [Read more]

Sabre he29?

The hot water is intermittent. It stays hot for a couple of mins and then cuts out for about 20 seconds before... [Read more]

How can I fix my Vaillant Ecotec Plus 428 boiler problem?

When the outside temperature is very cold, and the boiler fires up to heat domestic water and/or the central h... [Read more]

'f19' error report - Saunier Duval 'Thermoclassic' boiler?

Recently my boiler is failing to deliver hot water. - It is hot at first then runs cold. On examination I fin... [Read more]

Luke warm water Halstead Ace High?

Last week we had intermittent hot water CH fine, we replaced the pcb board & still no change so we replaced th... [Read more]

I have a problem with my Potterton Promax Combi HE Plus boiler?

I have a 6 year old Potterton Promax Combi HE Plus boiler, which stops working and gives the E160 error messag... [Read more]

Boiler has intermittent fault with firing up?

Have baxi solo 3 pfl 40 gas boiler. It powers up fine inthe morning but after a while it goes off. Boiler ligh... [Read more]

Intermittent loud noises from 37cdi boiler?

worcester 37cdi boiler has suddenly taken to making loud intermittent growling noises when either heating or h... [Read more]

Saunier Duval Combi Boiler Pressure Rises?

Hi Hopefully someone can answer this problem for me please? I have a Saunier Duval Thema Condens F30e Bo... [Read more]

Intermittent hot water on Baxi 105e?

Hi,my boiler has developed a fault on DHW supply,when asked for hot water, system fires up runs for 30 seconds... [Read more]

How do you fix intermittent heating problem?

I have a new Salus programmable thermostat (RT500RF) and a new Bosch Worcester Greenstar 24Ri boiler. Sometim... [Read more]

Where can the thermister sensor be found and how can it be replaced?

I have intermittent hot water supply and have been told that the thermister sensor is on the blink. I have man... [Read more]

valliant eco plus 837 boiler ?

hi i have a vaillant eco plus 837 boiler , and recently had a small pipe change for shower head to downst... [Read more]

intermittent hot water?

I have a glow worm swift flow combi boiler about 10 years old, i have had different parts replaced over the ye... [Read more]

intermittent hot water ?

I have wall mountd worcster 30cdi - 3 yrs old .CH is working fine. the hot water supply pipe runs between dwn ... [Read more]

Intermittent piezo not firing up?

My boiler didn't always fire up even though the fan was on and and asking for heat. The piezo igniter didn't ... [Read more]

intermittent problem with central heating valve not opening?

We have a Drayton wireless for our central heating, and a Drayton ZA5679-2 2 Port motorised valve also for hea... [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]

Vokera Linea 24?

Boiler fires up then cuts out. heating is on but hot water is intermittent, usually when I run a tap the boile... [Read more]

Synchronous Motors - Hot Water No CH Poterton Neataheat Profile 30e - 80e?

Hi, Further to my recent (and ongoing since Oct/Nov 2009!!) Answer/Post/update - under title; 'Hot Water Bu... [Read more]