How to mend ... Hot Intermittent Boiler

Intermittent boilet fails to fire on heating?

I have a 5 year old Glow-worm CX35i controlled by Drayton Digistat SCR and analogue timer (on the panel). The... [Read more]

Luke warm radiators?

Really need help with a central heating problem (old, but sturdy back boiler open vented system in a flat - o... [Read more]

ferroli f24b boiler intermittent f5 fault?

Dhw hot and cold, fan ok aps ok

Intermittent fault on Worcester 30cdi combi boiler?

Sometimes my central heating won't come back on after using hot water for a while ie running a bath.Its alread... [Read more]

Worcester heatslave 20/25?

Hi, I have been having a problem with my heating for some months now but very intermittent, occasionally the h... [Read more]

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]

alpha c 28 boiler no hot water or central heating?

can anyone help? my alpha c 28 boiler is giving me no hot water or central heating warning light (A) is flashi... [Read more]

Chaffoteaux maury britony combi 100 se, fault keeps changing!?

Hi I'm hoping someone an help. My boiler failed on tues, showing a fault 40 60 80. It was my fault as I had i... [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]

'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 cuts out before room stat temperature?

Hi I currently have a problem where my boiler cuts off before the temperature reaches what the room stat is ... [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]

Have an intermittent problem on a Sime 100 boiler?

Have an intermittent fault on a Sime100 boiler. Sometimes works fine other times does not work at all for hot... [Read more]

Alpha 240E Ocean Boiler intermittent loss of hot water?

I have an Alpha 240E bolier and sometimes when I turn the hot tap on it trips out and I have to press the rese... [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]

Sime EcomfortHe boiler 18mohts old?

heating working ok but intermittent fault with hot water, sometimes none sometimes ok

eco 80 boiler. rads warm, hw intermittent?

worchester eco 80 central heating on full water on full both luke warm ..boiler fires up for ten seconds then ... [Read more]