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Nav screen shows: Result:NG in red?

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Mend Ferroli Pressure Boiler

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How can i ignite the pilot on my Ferroli combi 77 ff?

I have the above boiler and i cannot get the pilot to ignite,nothing happens when i try,no clicking etc.I've c... [Read more]
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Ferroli DOMIcompact F24B: Unknown error?

I just came back from a couple of days away from home (boiler not used for 4.5 days), and my boiler is showing... [Read more]
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1

Over filled my Ferroli boiler?

I recently had to repressure my boiler and add more water but had a problem getting the inlet pipe to close so... [Read more]
Mend boiler pressure heating
1

How do i get the water pressure up please?

I have a Ferroli optimax he 31c boiler and need to get the water pressure up, how do i do it please?
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1

how to fix ferolli boiler?

my ferolli boiler will click to start then start for 1 minute then red light comes on,cannot get hot water or ... [Read more]
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2

How do I stop water from flowing outside from my ferroli optima 901 boiler?

Pressure bar is constantly at 3. If I drain radiators, pressure reduces but then creeps back up again. I have ... [Read more]
Mend boiler pressure heating
1

how do I change the bar pressure on my boiler? It's a ferolli Optimax 25C?

the bar pressure is sitting between 0 and 1. how do I adjust this?
Mend boiler water pressure heating system
1

how can i i raise low water pressure on ferroli boiler he26?

i have a ferroli he 26 boiler. f37 displayed on screen how do i rectify .do i adjust blue valves or black.

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Mend turn heating boiler connected

How turn off heating in Ferolli Optimax 31c?
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Ferroli Optimax HE 31 C, how do I put water pressure up?
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I have a Ferroli FF 77 the pilot light has gone out will not stay on ?
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Replace a diverter valve?
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Ferroli DOMIcompact F 30 D?
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Ferroli Optimax HE31c a26 problem?
Mend boiler pressure heating

How do i get the water pressure up please?
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how to fix ferolli boiler?
Mend ferroli boiler optimax he 31c

Ferroli Boiler Optimax HE 31C?
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How do I stop water from flowing outside from my ferroli optima 901 boiler?
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Ferroli , Modena 102 Gas boiler?
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How can i repair a noCN fault on my boiler?
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Installation instructions for Ferroli 30800009?
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FF360 Reset Button Problem?
Mend boiler heating pressure

Hi how to increase the water pressure on ferroli optimax 25C?
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Connections on Ferroli F24 Gas Valve?
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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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feroli optimax fault code a4 ?
Mend heating low pressure ferroli

I have a Ferroli domicondens he 26 c heating not working?
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Problems With Ferroli Domi Compact F30 B Heating and Water?
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ferroli plus 31c has a code b2 any ideas?
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F40 fault?
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Parts for ferroli optimax he 31c ?
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Ferroli domicondens he26 C fires up but doesn't appear to rectify ?
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Heating coming on all times?
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Over filled my Ferroli boiler?
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How can I get my ferroli boiler to work?
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Ferroli H31c no hot water or heating & no fault sign?
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boiler indicating f5 causing ?
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Ferolli Optimax HE 31C expansion vessel change?

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