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Mend Ferroli Boiler Optimax

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We have 193 questions about mending 'ferroli boiler optimax'

How to mend Ferroli Boiler Optimax

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Mend boiler heating error code

Ferroli Optimax 31c?

Our boiler has a "no cn" symbol appearing on the clock counter and won't turn on. There is gas within the hou... [Read more]

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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]

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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]

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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]

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Ferroli Optimax not heating water?

I had the hot tap on today and the water suddenly went cold. Now when you turn the hot tap on the boiler is no... [Read more]

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ferrolli optimax he31c?

central heating fine dhw not working intermittantly boiler ignites water temp on gauge rises but no dhw

Mend ferroli 15 seconds

boiler is overheating?

i am tying too repair a ferroli optimax 25 c the boiler is overheating after running for about 15 seconds the ... [Read more]

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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]

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my boiler is a ferroli optimax he31c ?

it is saying no cn what is this and how can i fix it

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 boiler heating ferroli

i have a ferroliu optimax he31c boiler and i cant get hot water has the pil?

i have a ferroli optimax he31c b oiler and i cant get hot water, would the pilot light have gone out, if so ho... [Read more]

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ferroli optimax 25c?

no hot water turn on tap 3 way valve gos to heating and pump stops boiler gos off 03 fault .put 3 way valve to... [Read more]

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ferroli optimax he 31c boiler?

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

Mend boiler heating error code

What does d2 mean on a ferroli optimax he 38c boiler?

What does d2 mean on a ferroli optimax he 38c boiler?

Mend boiler heating sensors

intermittent hot water?

i have a ferroli optimax 901 boiler.c/h is fine but hot water usually not working-occasionally does.replaced b... [Read more]

Mend boiler heating ferroli

noisy ferroli optimax 25 boiler code d7?

my ferroli optimax 25 boiler has noisy water flowing sounds when there is no demand for heating or hot water. ... [Read more]

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High noise on Ferroli optimax HE 31c?

When the boiler runs in a low fire, it's make a high vibrating noise for 1 minute, then it's working ok, but w... [Read more]

Mend boiler heating fault

Try this one! Ferroli Optimax 25ov?

Boiler will not start after programmed off for 6hrs plus in cold weather. Once boiler has fired after resettin... [Read more]

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Mend boiler heating pressure

Ferroli Optimax HE31c a26 problem?

Mend Heating, Home Heating Systems

Ferolli Optimax HE 31C expansion vessel change?

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F40 fault?

Mend boiler heating pressure

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

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Replace a diverter valve?

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Parts for ferroli optimax he 31c ?

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How can i repair a noCN fault on my boiler?

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

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Ferroli DOMIcompact F 30 D?

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