How to mend ... Water Heat Exchanger

Faulty Worscester 35 CDi loosing pressure?

My Worcester 35cdi has had 4 replacement heat exchanger's in less than 10 years the first 2 were within the fi... [Read more]

rads warm up when hot water turned on vokera unica 36 he?

when dhw on rads heat up changed heat exchanger problem still there hot water takes longer to warm up

help how to fix or sort radiator downstairs being cold?

Glowworm beatacom 30c.2 rads upstars get hot both sides fully.but one downstairs cold.drained systym fully.ref... [Read more]

Potterton Performa 24 DHW issues?

My Potterton Performa 24 has developed a DHW fault, & I need help resolving it please. In November, it stoppe... [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]

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]

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]

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]

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]

clean heat exchanger vaillant ecotec 831?

hello, can anyone give me a idiots guide to removing, cleaning and replacing a valliant ecotrec 831 heat ex... [Read more]

How do i solve a Remeha Avantaplus E7 fault code?

My boiler is approx 6yrs old and has now stopped supplying hot water after an E7 error code. The central heat... [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]