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Defy dtl151?

Imbalance of tub Defy DTL151

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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 fault

Ferroli Band b Optimax Combi Boiler?

This may be a completely stupid question but i am, after all a mere female! My heating won't come on, the boi... [Read more]

Mend Ferroli Fault Code Central Heating

Ferroli optimax 25c boiler not working !?

The boiler (ferroili optimax 25c) in the house which i'm renting has stopped working christmas day i've no hot... [Read more]

Mend ferroli combi fault

Ferroli Optimax 38c combi boiler showing fault code d1 ?

My ferroli 38c condesing combi boiler has no hot water and showing fault code d1 ? the c/heating is working f... [Read more]

Mend boiler heating ferroli

Manual Ferroll optimax HE 31C?

Where can I get a manual for my Ferrol optimax HE 31C new boiler.

Mend boiler temperature condensing

Variations in heat from taps and shower?

Sometimes my hot tap is too hot to use and other times it fuctuates between hot and medium when turned on full... [Read more]

Mend boiler heating error code

ferroli optimax 25c boiler?

what does the letter d mean on the display

Mend boiler heating ferolli

Hot water?

I have a ferolli optimax he 31c boiler, i am unable to get hot water when the hot tap is turned on. Although ... [Read more]

Mend boiler heating error

what does d mean in display? on a ferolli gas boiler?

when heating and water are on both go lukewarm and the letter d in on show in the display pannel it is a ferol... [Read more]

Mend thermostat boiler connections

Thermostat connections?

How do I connect my Drayton Digistat 2RF to my Ferroli Optimax HE31C boiler?

Mend boiler heating ferroli

Ferroli Optimax HE 31 C?

How do i get my heating to work? It fires up and the temperature starts to rise on the display, then the digit... [Read more]

Mend boiler heating ferroli

My Ferroli Optimax 25c boilier is not producing hot water?

I have a Ferroli Optimax 25c boiler which stopped producing hot water. The presuuer is correct, the display i... [Read more]

Mend boiler combi heating

operating manual for Ferroli Optimax HE 31 C?

Where can I get a manual for this combi boiler? It has been installed in my home and the contractors didn't le... [Read more]

Mend boiler fault code no hot water

no hot water ferroli optimax 38?

New optimax 38 ferroli boiler has no hot water. Heating fine but fault code d1 and d2 on screen?

Mend boiler heating ferroli

ongoing problems with ferroli optimax he 31c boiler?

I was getting code f40 , pressure was at 3+ , so i drained system, pressure was at 2, now i am getting code fh... [Read more]

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Noisy Ferroli Combination Boiler?

PLEASE HELP! WE HAVE A VERY NOISY OPTIMAX 31 COMBINATION BOILER. IT MAKES A THUDDING SOUND WHEN IT REACHES TE... [Read more]

Mend boiler heating fault code

how can i fix this problem? ferroli Optimax 25c boiler?

My heating and hot water do not come on. i have a ferroli optimax 25 c boiler. the display fault is as f 01. ... [Read more]

Mend boiler heating pressure

We have an ferroli optimax boiler and code F37?

Can you please help we have looked at the instruction book and we brought water pressure back to 1.5 bar all... [Read more]

Mend boiler heating ferroli

how can i fix my ferroli optimax 25c boiler?

the hot water works fine but the heating will not work if i press the mode button 3 times it comes on for 15 m... [Read more]

Mend boiler combi thermostat

How can i fix my ferroli optimax combi boiler ( he31c )?

Hi, i have just moved into a property that has had a new boiler fitted, its a combi boiler ferroli optimax he3... [Read more]

Mend optimax boiler code heating

What is F03?

Have gas boiler manufactured by ferroli . Type optimax 25C. looking for fault finder list as F03 showing. I ... [Read more]

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Mend boiler heating pressure

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

Mend boiler heating ferroli

F40 fault?

Mend boiler heating pressure

Ferroli Optimax HE31c a26 problem?

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Ferolli Optimax HE 31C expansion vessel change?

Mend boiler repair heating

How can i repair a noCN fault on my boiler?

Mend boiler ferroli parts

Parts for ferroli optimax he 31c ?

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Replace a diverter valve?

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Ferroli DOMIcompact F 30 D?

Mend boiler heating radiators

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

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