How to mend ... Boiler Hot Going

Boiler Hot water intermittently losing temp, Heating seems fine?

The title explains the main issue, for some reason the hot water drops often every 20 secs or so, sometimes it... [Read more]

Potterton Netaheat M11 no heating no hot water?

The boiler lights up and gets very hot and then closes down. We have replaced pump and fan. Zone valve wor... [Read more]

Glow-worm 30cxl?

Started off blowing 3amp fuse in boiler, water cold but heating working ok, engineer came out and fitted a ser... [Read more]

My Vaillant VCW GB 280 H combi-boiler, pump keeps running ?

The pump on my Vaillant some times keeps running after the heating and hot water demand have switched off? Th... [Read more]

what part will i need to replace on my alpha combi he cb25?

I do not get hot water from my alpha he cb25 combi boiler unless the heating is on. what is wrong and what par... [Read more]

help! glow worm betacom 24c no heating?

Ok here goes... the above boiler was working fine! After coming back from a weekend trip i noticed the hea... [Read more]

lockout light still on after filling pressure on combi?

I filled my boiler after it went into lockdown after loosing pressure, yet it still wont work. No heat and no ... [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]

heatslave 9.24 no pressure / hot water?

I bleeded my rads whilst the heating was on which has caused issues with the boiler. it's now not working with... [Read more]

My vaillant boiler is coming up with f22 what I can do ?

Hi my vaillant pro 28 is coming up with f22 no heating or hot water just wanting to know how can I sort it ca... [Read more]

hot watergoing cold?

boiler is an micro genus 2 -24 mffi whenrunning water it goes cold was told to change sensors for ch on divert... [Read more]

no heating or hot water, boiler will not fire up?

Ferolli 600 Pilot flame on Fan running Water pump running ... [Read more]

my vaillant eco 316 boiler how to fix?

my vaillant eco316 boiler would not turn hot water on despite no fault code.It turns on and turns off again o... [Read more]

how to find a fault?

my sister-in-law has a glow-worm 30c boiler the central heatings ok but when they turn on dhw tap the water i... [Read more]

No heating or hot water on system boiler?

I have a system boiler and at present I am calling for heating and hot water and am getting nothing. the pilot... [Read more]

Worcester bosch 24i Junior combi boiler noise with hot water?

Hi, I had a Worcester Bosch 24i Junior combination installed a couple of months ago and when I turn on the ho... [Read more]

i have got a potterton performa 24i he boiler but heating wont come on yet ?

i have apotterton performa 24i he boiler my heating has stopped coming on yet the hot water gets hot any ideas

240 combi boiler reduce hot water temperature?

The temperature of the hot water is reduced from normal although the central heating radiators are fine has an... [Read more]

combi boiler pressure?

if the pressure is 2.5 bar will this stop hot water running this is whats happening with mine help needed

Help f75 error ?

Help I have f75 error no heating or hot water Vaillant 837 boiler