How to mend ... Boiler Keeps Going Cold

baxi 551 boiler and fire?

system works fine all day all radiators on and hot, water tank hot, then rads start to cool down, water still ... [Read more]

how to fix my hot water system?

I have a worcester bosch combi boiler and the hot water first runs very hot and then cold, the temperature in ... [Read more]

whats wrong with my combi boiler?

we have a vaillant eco plus combi boiler it flashed up the code for low pressure so we filled it up to the rec... [Read more]

help one by one my radiators are going cold?

hi in november i had a heat line condensing boiler installed .just recently one by one my radiators are going ... [Read more]

How can i fix my ravenheat combi boiler?

i only get hot water when the boiler is on and heating the house.if i have it on hot water only i get cold wat... [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]

I have a Vokera unica h24 and my shower runs hot and cold?

My boiler is 2 years old and is serviced. I have had the Myra shower and Vokera engineers out and each one bla... [Read more]

my betacom 30 is annoying me ?

at cold my pressure reads 1-1.5 bar put the boiler on and pressure goes up to 3 bar let a bit of water off and... [Read more]

ravenheat boiler - CH works fine, No hot Water?

Hi Guys The CH works fine, But when you want HW the bolier wont fire up you just get cold water and a whist... [Read more]

How can I fix my Valliant Boiler 828E?

When central heating starts up temerature goes quick up to 85 degrees on gauge and burner turns off radiators ... [Read more]

My boiler is a Glow-worm swiftflow 80 ?

If i top up boiler to the reccomended 1 bar when cold then turn on boiler the bioler overflow operates then wh... [Read more]

medway super, pilot lit but not firing up on opening tap?

Water went suddenly cold, but boiler was still firing up although to a lesser degree. Now only the pilot is li... [Read more]

About hot water going cold?

we have vokera boiler and our heating system is working fine, but the hot water constantly runs hot then cold ... [Read more]

Vokera Sabre 28 MTN combi boiler?

Boiler was working fine up to today, had a burst pipe (hot water to kitchen sink) (could still get hot water t... [Read more]

Is 2 bars pressure on my boiler too high?

Having bled my radiators yesterday morning, I returned home to find my heating not working. Hot water was on b... [Read more]

Potterton E1 33 fault?

i have a Potterton Promax Combi He plus. The E1 33 fault keeps showing. We have had the ignitor changed, Calor... [Read more]

vokera (sabre) 29 HE?

when hot water is called for the water runs hot for a few minutes then runs cold (boiler shuts down and then f... [Read more]

Cold new House?

Have a new build with large kitchen/garden room 29'. Cannot get this room warm. Have only two radiators. Ha... [Read more]

Worcester Greenstar 28i Junior flashing blue and reset light?

Hi my boiler will not work. The reset is flashing and will not clear after pressing. The blue light is flashin... [Read more]

Boiler on cold rads but hot water?

Hi PLEASE HELP! Had a ravenheat csi 120 lox nox installed three years ago. Had Ravenheat out 9 times within 6... [Read more]