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Mend Boiler Heat Exchanger Flow

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We have 52 questions about mending 'boiler heat exchanger flow'

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Mend Heating, Home Heating Systems

Heatline Monza 28A?

Hello I have a Heatline monza 28A combi boiler which I have just started to have problems with. The heating... [Read more]
Mend Heating, Home Heating Systems

Is my boiler a write off?

My 8 year old Baxi 105he appears to have a crossover between the hot water and heating system. When the heatin... [Read more]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

Any ideas on how to fix my Ferroli Optimax HE Plus 31 C combi boiler?Ferrol?

Ferroli Optimax HE Plus 31 C 3 years old from new. Have heating but no hot water, when I turn on hot tap the D... [Read more]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

vokera fault code 71?

code 71 comes up i have changed thermisters to flow and return also flushed secondary heat exchanger boiler wo... [Read more]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

Expansion tank hot?

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

Ferroli Modena 102 luke warm hot water?

Any help have Modena 102 sometimes when 1st time calling CH the gas flame is very low if flame doesn't spread ... [Read more]
Mend Heating, Home Heating Systems

halstead ace high boiler?

Hi after reading some of the posts on this website which were having the same problem as me (boiler playing up... [Read more]
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