How to mend ... Water Heat Up Not Radiators

No heating or hot water on system boiler?

I have a system boiler and at present I am calling for heating and hot water and am getting nothing. the pilot... [Read more]

ferroli f 28 losing pressure?

hi, my boiler is losing water at an alarming rate...i've checked all under floor pipework, nothing, bone dry. ... [Read more]

how can I fix Baxi Platinum Combi boiler?

My Baxi Platinum Combi HE a boi;er is giving hot water but no heat to radiators.The thermostat control isnt ta... [Read more]

Baxi Combi Boiler - Bahama 100, why is there no heating or hot water?

Power light and orange ignition light is on. No error lights are displayed although there is no hot water and ... [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]

heat water up in boiler keep flowing into radiators?

potterton suprima. put central heating on to heat up water in tank but in less than half an hour hot water s... [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]

Permanent F5 fault?

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

Ideal Combi Logic boiler "L3" fault. ?

Whenever the temperature knob is turned up higher than half way, the boiler shuts down, flashing L and 3. Have... [Read more]

How can I fix my Halstead Boiler (over 10 years old)?

My Halstead boiler is able to heat the hot water but does not heat up the radiators. Most times the radiators... [Read more]

My boiler runs for a couple of minutes then flame goes out?

My boiler comes on pilot comes on then runs for a couple if minutes then cuts out before the radiators heat up... [Read more]

why does the water heat up but not the radiators ?

my wocester greenstar 30cdi wont heat the radiaters yet the hot water is not affected. How do I fix it

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]

glow worm boiler problem ?

Hi my boilers having a laff with me, switch it to heat the house and no problem, switch the water heater on fo... [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]

How can I fix my Worcester Heatslave 12/14 Combi?

Woke up this morning with hot radiators but there is no hot water coming from any of the taps. When asking th... [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]

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]