How to mend ... Boiler Up Radiators

why do my radiators get hot on water only?

would a faulty motorised valve cause my radiators to get hot on water only and cause my baxi bermuda back boil... [Read more]

How can I fix my Worcester 28CDI RSF Combi Boiler?

Water is continuously bubbling out of the Automatic air vent on the top of the boiler. This continues to do so... [Read more]

Water Pressure & On/Off/Reset Selector Switch !?

My boiler is the Potterton Performa 24 Eco HE. I have two problems or maybe just one as I think they are conne... [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]

baxi bermuda 552 boiler?

1/ pilot light stays lit ok .flame is blue ans about 20mm long. 2/ when heat set on boiler thermostat,boiler ... [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]

Why are the downstairs radiators cold when my heating is on?

I have just moved into a three storey house with a Vaillant boiler and a Telford Tornado water tank. When I h... [Read more]

do i need replacement part or new boiler?

i have a vaillant combi bolier ref no vuw242 I have had this for about 12 years and now have a leak the water ... [Read more]

Do I need to bleed my radiators ?

I have a Potterton powermax HE boiler which keeps losing waterpressure. I have topped up following the right ... [Read more]

how can i fix my boiler problem?

I have a Ideal isar he24 combi boiler. when my heating is switched off and i only use the hot water running... [Read more]

sauntier duval thama condens f24e?

recently there was a power cut in my street and now my boiler will only heat my radiators to 50c where as befo... [Read more]

How can I get hot water from my vaillant boiler - I have readiators hot bu ?

The vaillant condenser boiler is 3 years old. I have hot radiators but no hot water

Ravenheat CSI 120 error code 04?

I have a Ravenheat CSI 120 on which I recently (last week) replaced the diaphragm in the diverter valve. I the... [Read more]

Boiler or Thermostat?

When I switch on my boiler it fires up but the fan starts, the ignition light fires up the gas burners and the... [Read more]

How can I fix my Vaillant Turbomax Combination Boiler?

My Vaillant Turbomax Combination Boiler provides a good hot water supply to the radiators but the tap water is... [Read more]

how to fix boiler?

I have a worcester combi 20/25 boiler my haeting and radiators are working fine but have no hot water

My combi boiler ignites flame to heat radiators then goes off itself?

When my timer clicks on, my combi boiler clicks and ignites the flame then the bigger flames comes on to heat ... [Read more]

heating, Oil boiler not running?

Having just drained my heating system to replace a number of failing radiators,I have re-filled the system but... [Read more]

Ferroli Optimax HE Plus 31 C Boiler noise?

It is making a humming noise that makes you feel like you have tinitus. It only makes the noise when the radi... [Read more]

Message on boiler says "Filler needed" ?

We have just removed air blockage from 2 radiators and now our boiler quotes "Filler Needed" with diagram of a... [Read more]