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Mend Ferroli Optimax He

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We have 254 questions about mending 'ferroli optimax he'

How to mend ... Ferroli Optimax He

Pages 98765
Mend Heating, Home Heating Systems

ferroli optimax he plus 38 c how do I raise pressure to 1 - 1.5?

have tried to increase pressure to 1 - 1,5 due to fault F37 turned both black knobs but no difference there ar... [Read more]
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why does has the pressure on my boiler gone up?

why does has the pressure on my boiler gone up ferroli optimax he 31 c
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i have a faulty boiler can you help?

ferroli optimax 31he. hot water ok but heating comes on and only stays on for only 8 mins. have renewed divert... [Read more]
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How can i get rid of the squeeling sound from ferroli optimax he31?

whenever the boiler starts or the heating is on, the boiler makes a squeeling sound. only get rid of it by swi... [Read more]
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How Do I fix?

Ferroli bioler optimax he plus 31 c Fault light flashing F35 Boiler working fine how do i get rid
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what does d2 mean?

ferroli optimax 31 c water fine, put heating on get d2 on display what does this meam?
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how does the timer work?

Hi, Iv`e just moved into a property that has a ferroli optimax HE 31. Iv`e managed to work out how to get hot ... [Read more]
Mend Heating, Home Heating Systems

How do you programme the boiler to come on twice a day - nothing in the man?

How can I programme the Ferroli Optimax He Plus 31 c to come on automatically at a given set time twice daily... [Read more]
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Heating,Home Heating systems?

Where can the timer instructions be downloaded for a Ferroli optimax HE 31 C many thanx
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Heating,home Heating systems?

how do i set the timer c/h on a ferroli optimax he 31 c
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ferroli optimax he plus 31 c?

my boiler is flashing o 01 please help
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Ferroli Optimax HE 31C not heating radiators?

Ferroli Optimax HE31C won't heat the radiators. Hot water function is working fine. There are no error message... [Read more]
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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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ferroli optimax he31c?

Drained my radiators and pressure dropped. Dont know how to fill the system again. What and where is the heati... [Read more]
Mend Heating, Home Heating Systems

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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Is there a difference between the Optimax HE 31C and the HE PLUS 31C ?

What is the difference between the Ferroli Optimax HE 31C and the one supplied by Wickes (HE PLUS 31C) ..... i... [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]
Pages 98765
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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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Ferroli Optimax HE31c a26 problem?
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ferroli plus 31c has a code b2 any ideas?
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Hi how to increase the water pressure on ferroli optimax 25C?
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F40 fault?
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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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Replace a diverter valve?

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