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How do i deactivate siren on lp1-4000?

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Mend Ferroli Optimax Water

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We have 125 questions about mending 'ferroli optimax water'

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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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hot water problem?

my ferroli optimax he 31c is taking obout 3minutes to deliver hot water to taps. it is struggling to reach pre... [Read more]
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ferolli optimax 25c f3 code?

can any one help my ferolli will pump out hot water all day long but as soon as you turn the tap or shower off... [Read more]
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1

ferroli optimax he 31c?

My hot water was cutting out heating then had to call out cause no heating at all only hot water !
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my ferolli optimax hc 31 c boiler flashing a1?

my boiler is flashing a1 on screen pressure was high on 2 drained the valve to lower pressure now gone to 0 tu... [Read more]
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1

My ferolli optimax boiler H E 31 suddenly stopped working?

my water pressure continually drops so i turn it back up and it works again, but this time it won't come back ... [Read more]
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how do i restore heating from ferroli optimax he 31 c?

the boiler is on as i have hot water but the central heating will not come on. the code is not recognised in t... [Read more]
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1

Boiler not heating water correctly?

I have a Ferroli Optimax HE 31c Combi-Boiler, since it has been installed the boiler has not heated the water ... [Read more]
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6

Fault 26 on a ferroli optimax 25 c, unable to re-set?

I have a ferroli optimax 25 c which has stopped working, flashing up fault 26. My boiler man said it was froze... [Read more]
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how can i fix my ferroli boiler optimax?

i can only get hot water when the flow rate is not much better than a trickle. the boiler is a ferroli optimax... [Read more]
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water pressure?

how to top up water pressure on a Ferroli Optimax the fault is F37
Mend optimax 31c currently
3

How can I reduce the water pressure on my Ferroli Optimax HE 31C?

I Currently I have an F40 fault which is too high water pressure (just under 3 bar)....how can i reduce the wa... [Read more]
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my ferolli he31c combi boiler is only heating the water, not the radiators?

my ferolli optimax he31c combi boiler has stopped heating the radiators it is now only heating the water, why?... [Read more]
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how can i fix my ferroli optimax 25c?

hot water works but heating does not
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9

F40 on ferroli optimax he 31 boiler?

I'm in a rented property with prepaid gas meter. My gas supply ran out and I found a error code A01 in my Ferr... [Read more]
Mend Ferroli Combi Fault
2

Boiler Systems?

How do I improve a low water pressure fault on a Ferroli Optimax HE 31 C Combi Boiler System? The pressure... [Read more]
Mend boiler low heating
18

Ferroli Optimax HE 31 C, how do I put water pressure up?

Boiler is 4 weeks old and the water pressure is too low and I now have no heating. Does anyone have any idea ... [Read more]
Mend boiler heating pressure

Ferroli Optimax HE 31C?

The pressure in my boiler has dropped to below 1 and the heating has cut out. Have tried filling the system us... [Read more]
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Ferroli Optimax he 31 s - water temp?

the digital tempreture on the boiler won't let me go above 65 fo water temp. Is this right?
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How can I make the central heating start?

What does the code d2 mean on the ferroli optimax HE31C combi boiler? The hot water works well. We have put ... [Read more]
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Ferroli Optimax HE31c a26 problem?
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How can i repair a noCN fault on my boiler?
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Replace a diverter valve?
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Parts for ferroli optimax he 31c ?
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Ferroli DOMIcompact F 30 D?
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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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F40 fault?
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Ferolli Optimax HE 31C expansion vessel change?
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Hi how to increase the water pressure on ferroli optimax 25C?

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