How to mend ... Boiler Heats Radiators

Boiler not heating downstairs?

My warmflow oil fired boiler heats the water and the upstairs radiators but wont heat the downstairs radiators... [Read more]

Ferolli optimal 25c timer off radiators still on ?

My boiler seems to be on all the time .british gas man changed programmer and it still does it . The only way... [Read more]

the boiler heats the water but none is sent to tap or radiators?

after replacing the flow switch and diverter valve assembly complete I still have the same problem . the boile... [Read more]

I have a Ravenheat Combi boiler(2003) radiators are not working?

I have a Ravenheat Combi boiler(2003) the radiators are not working. I have changed both thermisters and the t... [Read more]

Boiler continually firing?

I have an old baxi boiler about 15years it works fine and heats radiators and water no problem but recently wh... [Read more]

how can i fix my boiler?

i have a baxi combi 105 HE which heats water to taps but wont heat the radiators.i have recently changed 2 rad... [Read more]

how can i fix my sime 80 combi boiler?

when i turn the hot water on the combi also heats the radiators and but the hot water taps only runs warm

what is wrong with my boiler ideal classic ?

when the hot water heats my radiators get red hot even if they are turned of at thermostat

Saunier duval 24e condens heating?

Boiler heats water ok bot won't go past 52 degrees on heating so radiators are only getting warm

No hot water?

What could be the reason my combi boiler heats the radiators ok but NO hot domestic water through the taps

How to raise the pressure?

Please tell me how to increase the pressure to the appropriate level - it is currently below where it should b... [Read more]

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]

ariston microgenus 23 mffi ?

My boiler's hot water goes hot & cold when running.It also heats the radiators when hot water is running.It al... [Read more]

baxi boiler 3 way valve running hot tap heats the radiators?

after the engineer changed the 3 way valve which is the normal solution, as confirmed by phone to baxi, I open... [Read more]

combi boiler wont heat water?

boiler heats radiators but wont heat the water on its own.i have to have heating on at the same time to get ho... [Read more]

1980's Potterton boiler fires up, but radiators not heating?

My old boiler, regularly serviced, fires up, but the radiators don't get hot and I don't think the water is ci... [Read more]

parva he boiler m96.28sm/p won't heat radiators?

my parav he m96.28sm/p boiler heats the water from tap but not the radiators. it had been reset by accidfent ... [Read more]

Bolier not firing up?

I have a Ravenheat csi 85t combi boiler, 4 years old. I heats up the water but will not fire up to heat radi... [Read more]

noisy boiler (ariston eurocombi sx20mffice-wall hung)?

hot water heats up ok and system heats up radiators ok.problem is very noisy boiler when burners kick in to h... [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]