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Mend Ferroli Optimax He Boiler

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We have 106 questions about mending 'ferroli optimax he boiler'

How to mend Ferroli Optimax He Boiler

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Mend boiler heating ferroli

f21 error message on ferroli optimax he 31c boiler?

f21 error message appears after running central heating on a ferroli optimax he 31c boiler

Mend ferroli boiler running

how to fix d1 error on a ferroli optimax he 31c boiler?

d1 error message keeps coming up after running hot water on a ferroli optimax he 31c boiler

Mend ferroli 31 boiler

instructions on how to fit a thermostat?

how to fit a horstmann wireless thermostat to a ferroli optimax he plus 31 c boiler

Mend heating boiler ferroli

how can i setup my ferroli boiler?

my son who is in hospital has a ferroli HE 31 C Optimax boiler at his home, when I tried to run the heating I... [Read more]

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ferroli optimax 38c boiler?

I have a ferrroli optimax 38c central heating boiler just a few weeks old.In fitting new washers to my taps i ... [Read more]

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Ferroli optimax he 38 c filling kit connections?

I topped up the water on my boiler, but think I have moved one or more of the other 3 "taps" that make up the ... [Read more]

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ferroli optimax he 31c trip-out?

my boiler cuts out and code 41 is displayed, other than this it works fine most of the time.

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Ferroli Optimax He 31C Combi fault?

Hi, I have a Ferroli Optimax He 31C Combi gas boiler. In the morning it regularly locks out on a F03 code eve... [Read more]

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why does has the pressure on my boiler gone up?

why does has the pressure on my boiler gone up ferroli optimax he 31 c

Mend boiler repair fault

How Do I fix?

Ferroli bioler optimax he plus 31 c Fault light flashing F35 Boiler working fine how do i get rid

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How do you programme the boiler to come on twice a day - nothing in the man?

How can I programme the Ferroli Optimax He Plus 31 c to come on automatically at a given set time twice daily... [Read more]

Mend ferroli optimax boiler help

ferroli optimax he plus 31 c?

my boiler is flashing o 01 please help

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noisy boiler?

what is wrong with my boiler, it makes a loud noise when we switch either the water or heating on we have to s... [Read more]

Mend boiler gas heating

Wot is wrong with my Ferroli Optimax HE 31 C gas boiler?

My gas boiler is flashing F37, which is low system pressure. The manual says that I should fill the system to ... [Read more]

Mend ferroli optimax he 31 c boiler

how do i get my ferroli optimax he 31 c boiler?

i have pressed the reset button on my boiler and now my radiators work but i have no hot water, can anyone hel... [Read more]

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boiler wont work ?

my boiler wont work its a ferroli optimax he plus 31 c it just flashes f 40 on the screen what is this? nothin... [Read more]

Mend boiler heating troubleshooting

Ferroli Optimax He Plus 38C hot water works but heating dosent?

I have a Feroli optimax he plus 38c boiler. I have replaced the room theromastat as the old one was the wrong ... [Read more]

Mend boiler combi ferroli

Pressure too high on Optimax HE 31 C Ferroli Combi Boiler?

F40 keeps flashing when the boiler shuts down after 20 minutes of being on. This says incorrect system water ... [Read more]

Mend boiler heating error code

ferroli boiler code ( no cn )?

i had a ferroli optimax he plus 38c fitted at Christmas. all we've had is problems. they came out and fitted ... [Read more]

Mend ferroli optimax 31c

ferroli optimax he 31c boiler?

hi i'm trying to work the timed c/h how do i do this please.

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Mend water pressure ferroli

Hi how to increase the water pressure on ferroli optimax 25C?

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Ferolli Optimax HE 31C expansion vessel change?

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How can i repair a noCN fault on my boiler?

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Ferroli Optimax HE31c a26 problem?

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i have a ferroli combi boiler i have 1/2 the radiators working and 1/2 not ?

Mend ferroli optimax he

Parts for ferroli optimax he 31c ?

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Ferroli DOMIcompact F 30 D?

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Replace a diverter valve?

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F40 fault?

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