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Sabre 29 water pressure drop?

sabre 29 water pressure dropped, how to increase the pressure

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Worcester Greenstar CDi boiler won't fire up the central-h?

flashing green light near the CH select button new batteries in transmitter

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Mend Ferroli Optimax 31c He

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We have 76 questions about mending 'ferroli optimax 31c he' in category Heating, Home Heating Systems

How to mend Ferroli Optimax 31c He

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Mend Ferroli Combi Fault

Ferroli Optimax He 31C Combi fault?

Hi, I have a Ferroli Optimax He 31C Combi gas boiler. In the morning it regularly locks out on a F03 code eve... [Read more]

Mend heating timer program

central heating timer clock memory?

ferroli optimax he 31C central heating timer clock does not keep time programed in. For more than 48 hours ... [Read more]

Mend boiler heating error

ferroli optimax he plus 31 c?

my boiler is flashing o 01 please help

Mend heating radiators heat hot water

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]

Mend boiler heating ferroli

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]

Mend he 31c start

My Ferroli Optimax HE 31c wont start?

The fault diagnostics says "no cn", do you know what this means as there is nothing in the manual.

Mend boiler heating system

ferroli optimax he 31c boiler?

hi i'm trying to work the timed c/h how do i do this please.

Mend boiler heating vibrating

High noise on Ferroli optimax HE 31c?

When the boiler runs in a low fire, it's make a high vibrating noise for 1 minute, then it's working ok, but w... [Read more]

Mend hot water problem

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]

Mend boiler heating ferroli

i cont get gch working ?

i cant get my gch working i av a ferrroli optimax he plus 31c can u help

Mend hot water heating call

ferroli optimax he 31c?

My hot water was cutting out heating then had to call out cause no heating at all only hot water !

Mend combi-boiler central heating hot water

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]

Mend boiler heating ferroli

Ferroli Optimax HE 31C boiler manual?

Where can I obtain a Ferroli Optimax HE 31C manual as I desperately need one

Mend boiler heating error codes

Ferroli optimax HE 31c?

My question is same as geoff from august 09. boiler has stopped working , no error codes, will not reset and t... [Read more]

Mend Ferroli Optimax Boiler

what does this code mean?

My boiler (ferroli optimax HE 31c) isnt working but has thid code that looks like NO CA,anyone any ideas? the ... [Read more]

Mend boiler combi ferroli

home heating?

could you please tell me how to set the time for the heating to come on and go off at different times of the d... [Read more]

Mend boiler fault water pressure

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]

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]

Mend boiler heating ferroli

Ferroli Optimax HE 31 c boiler serial number?

Where can i find the serial number to my Ferroli Optimax HE 31C boiler? Thanks.

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Mend boiler heating pressure

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

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Replace a diverter valve?

Mend combi heating radiators

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

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Ferolli Optimax HE 31C expansion vessel change?

Mend boiler heating leak

Ferroli DOMIcompact F 30 D?

Mend boiler heating repair

How can i repair a noCN fault on my boiler?

Mend boiler ferroli parts

Parts for ferroli optimax he 31c ?

Mend boiler heating ferroli

F40 fault?

Mend boiler heating pressure

Ferroli Optimax HE31c a26 problem?

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