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Mend Optimax Boiler Ferroli

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We have 193 questions about mending 'optimax boiler ferroli'

How to mend Optimax Boiler Ferroli

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Mend combi boiler heat exchanger no hot water

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 boiler pressure heating

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 heating hot water

how can i fix my optimax HE 31c?

Got ferroli boiler optimax he 31c no heating or hot water but got a flashing F on front panel ! Any ideas ?

Mend boiler heating ferroli

Ferroli optimax he 31 c?

Boiler keeps flashing f 10 how to fix it and wot is it

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Ferroli Optimax plus HE 31 C?

I pressed reset and held button down, now can't get boiler working It just flashes F 47 Read somewhere that ... [Read more]

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How to stop a water leak on Ferroli optimax?

I have a ferroli optimax HE plus 31c boiler. It was serviced yesterday and today it has developed a leak from ... [Read more]

Mend boiler heating ferroli

My Ferroli optimax HE Plu 31 C No power?

The boiler suddenly stopped working. No power. No display, Iv tried swithcing it on but it doesnt work. Just v... [Read more]

Mend boiler heating leak

Ferroli Optimax HE Plus Leaking?

Water dripping from under the boiler onto my kitchen top. I have dried the area with paper towels and looked ... [Read more]

Mend boiler ferroli fault code

what is the a62 fault code?

what is the a62 fault code on a ferroli optimax he31c boiler please?

Mend boiler hot water central heating

ferroli optimax plus he31c?

Ican get central heating but no hot water the boiler is firing up when hot water is demande but cold is coming... [Read more]

Mend boiler heating noise

ferolli optimax he31 c?

boiler is making noise like air in system on hot water only when tap is turned off .

Mend boiler ferroli error

Ferroli Optimax HE 31 - overflow pipe dripping F37?

We are having repeated F37 error with dropping pressure, having to top up at least twice a day. No leaks on ra... [Read more]

Mend boiler ferroli fault

Ferroli Optimax HE31C Error Code NOcn?

I have a Ferroli Optimax HE31C Boiler and it has been working fine for years but all of a sudden it has fault ... [Read more]

Mend boiler home heating ferroli

Optimax he 31 c LCD screen has stopped working?

Ferroli optimax he 31c LCD screen has stopped working, although I can hear the boiler making a noise every 5 s... [Read more]

Mend boiler heating error code

ferroli optimax HE31C the digital display is saying 'no CN''? ?

We have no hot water or central heating, no other error code is displayed. I've turned off at the mains, press... [Read more]

Mend boiler heating fault code

What is Fault Code - - (flashing on a ferroli optimax 25 c boiler?

What is Fault Code - - on a ferroli optimax 25 c boiler - this is flashing continuosly

Mend boiler fan hot

ferroli optimax 26 problem?

hi can anyone advise me my boiler is currently displaying -- the fan is on but no hot water and no heatin... [Read more]

Mend boiler heating faults

Ferroli Optimax HE 31 C - Multiple faults?

I get a variety of faults which I can usually reset - but the current fault is F 15 - which is a fan problem -... [Read more]

Mend boiler heating error

What does code "no cn" mean on Ferroli Optimax He plus 31 c Boiler mean?

Code no cn on Ferroli Optimax He plus 31 c Boiler mean?

Mend boiler fault code diverter valve

Ferolli optimax He31 c d1 fault code?

Hi there. I am showing d1 on the display of my ferolli optiamax 31c he boiler. I have hot water (which is now... [Read more]

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Mend boiler heating pressure

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

Mend Heating, Home Heating Systems

Ferolli Optimax HE 31C expansion vessel change?

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Replace a diverter valve?

Mend boiler ferroli parts

Parts for ferroli optimax he 31c ?

Mend combi heating radiators

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

Mend boiler heating ferroli

F40 fault?

Mend boiler heating repair

How can i repair a noCN fault on my boiler?

Mend boiler heating pressure

Ferroli Optimax HE31c a26 problem?

Mend boiler heating leak

Ferroli DOMIcompact F 30 D?

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