How to mend ... Heat Exchanger Gone

worcester 24cdi?

When boiler is turned on it makes a banging noise and what sounds like air coming out . Expansion vessel, Heat... [Read more]

Glow-worm 30cxl?

Started off blowing 3amp fuse in boiler, water cold but heating working ok, engineer came out and fitted a ser... [Read more]

Worcester 28cdi plate heat exchanger?

I suspect this is leaking fresh cold water into the system which is an open system not pressurized. This is c... [Read more]

Vaillant boiler won't stay 'on'?

My Vaillant CH boiler 242 EB Combi - LPG fuel from 2x87kg cylinders Refuses to stay on; when the heating is o... [Read more]

Why is the pressure on my Ariston boiler rising to nearly 4 Bar?

Hi Can anyone please advise me on why my Ariston Eurcombi A/27 MFFI pressure is rising from just over 1 Bar... [Read more]

My Worcester 24CDI boiler is not firing?

I have been told that the heat exchanger is not functioning and needs replacing. Is this so, if so how much?

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]

central heating works fine, but hot water keeps going on and off?

i have a ariston eco 35mffi c ombi boiler.The central heating works fine,but the hot water(dhw)starts fine, th... [Read more]

Potterton perfoma30 HE Central Heating Cutting out?

New heat exchanger and divertor valve due to heat exchanger blocked. Now CH only cutting out, hot water is ok... [Read more]

Potterton perfoma 30HE?

Had new heat exchanger put in. When CH is switched on the boiler runs for a minute and cuts out, goes into mod... [Read more]

hot water getting colder?

my combi is 3 years old. recently the water is not as hot as it was before. Does the heat exchanger need clean... [Read more]

how can i fix my boiler?

i have a vaillant turbomax 242e changed diverter valve but still not getting hot water .gasman told me dhw hea... [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]

28i Junior Low Water Pressure Switch?

Hi, Have got a lockout problem with my Worcester 28i Junior. Does not like to start if it has not been run ... [Read more]

I have a potterton profile 80el short cycling 1 min 'off' 1.5 min'on'?

Replaced pump (sticking)and heat exchanger (leaked). Since these changes the boiler started short cycling - ... [Read more]

Ideal HE24 Isar?

i have an ideal he24 isar boiler with the fault l-9 the plummer told me i have to change the heat exchanger ... [Read more]

heat exchanger replacement?

how do i replace the heat exchanger on my halstead quattro gold and do i have to be gas safe to do this chee... [Read more]

glowworm betacom 30 problem?

Hello folks, boiler is 2 years old, had plate heat exchanger cleaned/changed/cleaned...dhw sensor replace... [Read more]

tepid hot water?

linea 24, central htg ok, hot water from tap initially hot but then cools off and stays that way. Engineer ha... [Read more]

Expansion tank hot?

Greenstar Ri boiler open vented system. When boiler switched on constant flow of hot water to expansion tank... [Read more]