How to mend ... Boiler Cold Hot

Ariston Boiler takes ages to fire up?

Had a problem with the boiler in that after about ten minutes or so, the water went cold..becuase the burners ... [Read more]

hot water but raidiaters cold?

i have a good working thorn emi free standing boiler.sudenly got hot water but radiaters are not getting warm... [Read more]

hot water on ferroli optima boiler keeps going hot and cold why ?

my hot water on my boiler keeps going hot and cold . its come to a point that our bath water is only warm when... [Read more]

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]

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]

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]

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]

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]

grundfos selectric ups 15-50?

it was all working fine until this morning, boiler is supplying plenty of hot water but rads are cold. on the ... [Read more]

Vokera Maxin 28e DHW problems?

Takes quite a while for water to run hot with CH either on or off. Have checked the DHW diaphragm and it is fi... [Read more]