How to mend ... Radiators Water Heating

what is wrong with my vokera boiler?

The boiler seems on and the pilot light working and it is hot but the it is not heating the water in radiators

How can I get rid of trapped air in central heating system?

After replacing the small rubber seal on the shaft of the hydraulic actuator in my BIASI 24S Combi boiler, the... [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]

how do i get my central heating working again?

Hi, I have a Vaillant ecotec plus 624 sealed fan assisted boiler. Just the other day it stopped working a... [Read more]

how can i fix my baxi combi 80 eco boiler?

after 30 seconds of hot water in the shower it turns cold ,then 30 seconds later it comes hot agaithe same hap... [Read more]

Permanent F5 fault?

I have a Glowworm 18hxi boiler with a Systemate 2000 Gledhill system. Boiler keeps failing with F5 fault. Ha... [Read more]

Ariston HE Class boiler hot water no heating?

I had an error 102 had an engineer round he increased pressure then left. I then realised radiators seemed hot... [Read more]

Ariston HE Class boiler hot water no heating?

I had an error 102 had an engineer round he increased pressure then left. I then realised radiators seemed hot... [Read more]

Greenstar CDi combi boiler overheating?

Hi, Greenstar CDi combi boiler 3 years old. Top floor radiators cold so bled, this dropped water pressure to z... [Read more]

How can i fix my Worcester greenstar 24i junior/ 28i junior combi boiler?

Noticed the other day that the heating light (green led) on the boiler is flashing not sure why. Hot water is ... [Read more]

DWH / Central heating BAXI Combi 80e?

When the radiators are up to heat I go to use the DHW, the system turns off and the fault light appears so I ... [Read more]

valient turbomax 242eh central heating will not operate once it reaches tem?

242 eh installed with 3 rads the boiler works fine in hot water when in ch and hot water mode ch reaches temp ... [Read more]

what could be cause of heating problem?

i have an ariston micro combi 23 mffi boiler the pressure in system keeps dropping to zero , when i refill sys... [Read more]

water boiling into expansion tank?

Hi, when the radiators have been heating up for about half an hour, we hear water boiling which then discharge... [Read more]

Ariston combi , heating only when hot tap on?

My arisen combi central heating radiators only work when hot water tap is turned on , why ? Is it heat exchang... [Read more]

no heating?

i have a viessmann combi boiler there is hot water but my radiators will not come on can you help please

Troubleshooting a Bosch ZWB28-3 combi boiler?

Currently it heats our hot water well but when cold is mixed in like in the shower the temperature of the wate... [Read more]

Potterton Netaheat - no heating without hot water?

Boiler will only fire up when "hot water" selected on controller (EP2002). When hot water is on, radiators al... [Read more]

worcester greenstar he boiler?

why, when I switch all the radiators, underfloor heating and hot water off at the control unit, does my boiler... [Read more]

Heating Home Heating Systems?

My Bosch Worcester 40 CDI has a problem the water isn't getting that hot but the radiators are working fine an... [Read more]