How to mend ... Third Exchanger Heat Combi

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]

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]

water going hot then cold?

vaillant combi boiler 824/2e ,,heating is fine,hot water red hot then goes cold had new heat exchanger,plus ne... [Read more]

ravenheat rsf820/20 combi overheating?

the boiler is supplying hot water ok however as soon as the heating is on the heat exchanger boils up & cuts o... [Read more]

Saunier Duval Combi Boiler Pressure Rises?

Hi Hopefully someone can answer this problem for me please? I have a Saunier Duval Thema Condens F30e Bo... [Read more]

hotwater faults?

my baxi 105e instant combi has got hotwater problem i have changed the diapram of hotwater and heating flashed... [Read more]

How can I fix my Potterton Perfoma combi 24 boiler?

My potterton Perfoma boiler done not give hott water when the inlet water pressure valve is fully open. But w... [Read more]

heat exchanger replacement?

Hi there, can you please tell me how to remove and replace my heat exchanger on my potterton 24 combi boiler. ... [Read more]

Worcester 28i Junior Combi... Hot water but NO Heating ???

Hi everyone, We have a Worcester 28i Junior Combi which developed a fault this week. We have hot water fine b... [Read more]

How can i fix my Ariston A23 Mffi E Combi boiler NO DHW URGENT?

No Dhw, runs cold after a few minutes when demanded either alone or with CH demand, the burner continues to ru... [Read more]

vaillant 242e dhw needs cleaning out please advise?

My vaillant vc/ vcw 242 e combi compact dhw heat exchanger needs cleaning out can anyone advise how best to do... [Read more]

Heat Exchanger?

If a heat exchanger is blocked on a combi boiler can this have an effect on the hot water and the heating or i... [Read more]

Glowworm 38 CXI combi hot water disappering and coming back?

I have a 6 year old Glowworm 38 CXI combi boiler which delivering hot water only for the first minute and afte... [Read more]

baxi combi?

when i turn my hot water tap on my radeator gets hot. been told that it might be the heat exchanger or the pla... [Read more]

Hot water problem in my combi boiler?

My combi boiler works fine in central heating mode. When in hot water mode, however, it fires intermitently so... [Read more]

how can i fix my britony 80/100 combi?

my central heating is fine. the hot water fluxuates between hot and cool. there is also a loud groaning noice ... [Read more]

cold domestic hot water?

I can get central heating to full level but domestic hot water gets only luke warm. Have fitted new heat excha... [Read more]

cannot locate the thermostat reset button?

i have a saunier duval thema f23 combi boiler british gas has fit a new heat exchanger and pump we still get a... [Read more]

Could boiler heat exchanger be clogged?

My boiler seems to take ages to deliver hot water to the taps... over a minute, more to bathroom which is loca... [Read more]

Do you know anything about the Myson Midas Si combi boiler?

I have a Myson Si combi boiler and have a problem with the burner not going into high burn. Changed PCB board... [Read more]