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Mend Heating, Home Heating Systems

How do i stop the time from flashing on the Siemens RDJ100RF?

How do i stop the time from flashing on the Siemens RDJ100RF unit

Mend Heating, Home Heating Systems

Flamerite Isis Fire?

i need a new mother board for my flamerite isis fire do you know where i can purchase one

Mend Worcester Combi Ignition

Worcester 30 Cadillac combi boiler won’t fire up and the EA?

my worcester 30 cdi combi combi boiler wont fire up and ''ea'' keeps flashing? my worcester 30 cdi combi bo... [Read more]

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Mend Ferroli Optimax

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We have 278 questions about mending 'ferroli optimax' in category Heating, Home Heating Systems

How to mend Ferroli Optimax

Pages 8 7 6 5 4

Mend boiler heating sensors

intermittent hot water?

i have a ferroli optimax 901 boiler.c/h is fine but hot water usually not working-occasionally does.replaced b... [Read more]

Mend heating ferroli fault

ferroli optimax 25c?

Not flashing fault just two dashes. No heat no hot water. And gushing sound coming from it. Help!! Need to do ... [Read more]

Mend boiler heating ferroli

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]

Mend set time clock

how to set time clock ferroli optimax he31?

been trying to set clock for central heating any advise instruction sheet hopeless.

Mend boiler heating fault code

ferroli fault code A26 on optimax HE 38C?

ferroli fault code A26 on optimax HE 38C

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 boiler heating pressure

how do i top up my Ferroli optimax he plus 31 c? ?

How do I top up my Ferroli Optimax HE Plus 31 C as the pressure has dropped and what position should the blue ... [Read more]

Mend boiler heating fault

Try this one! Ferroli Optimax 25ov?

Boiler will not start after programmed off for 6hrs plus in cold weather. Once boiler has fired after resettin... [Read more]

Mend boiler pcb pressure switch

Ferolli optimax boiler keeps saying F 37?

Ive had numerous engineers now to look at my boiler, the cost is escalating to the point where it would have b... [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 PCB Ferroli

pcb on the ferroli optimax he31c?

i have changed the pcb on the ferroli he31c and a new code has to be entered into boiler before the boiler wil... [Read more]

Mend ferroli heating optimax

Ferroli Optimax HE 31 C Optional Timer?

Where can I get instructions for the optional timer for the HE 31 C? It is not mentioned at all in the manual... [Read more]

Mend boiler heating glow-worm

which heat only boiler?

which is best glow worm ultracon 24 hxi or ferroli optimax 25ov

Mend boiler heating ferroli

new heat only boiler?

whcih one to buy ferroli optimax 25 ov or glow worm 24 hxi

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 boiler ferroli optimax

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]

Mend boiler heating water pressure

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]

Mend boiler pressure fault codes

how can i fix my ferroli optimax 25s?

not flashing any fault codes , just 2 flashing dashes . pressure reading 1.5 on the gauge. cannot hear the pu... [Read more]

Mend boiler central heating reset

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]

Pages 8 7 6 5 4

Mend Heating, Home Heating Systems

Ferolli Optimax HE 31C expansion vessel change?

Mend boiler heating pressure

Ferroli Optimax HE31c a26 problem?

Mend boiler heating radiators

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

Mend boiler ferroli parts

Parts for ferroli optimax he 31c ?

Mend boiler heating pressure

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

Mend boiler repair heating

How can i repair a noCN fault on my boiler?

Mend boiler heating ferroli

F40 fault?

Mend boiler heating leak

Ferroli DOMIcompact F 30 D?

Mend replace diverter valve

Replace a diverter valve?

How to mend ...

Mend Baxi Mend Bosch Mend Boulter Mend Britony Mend Dimplex Mend Drayton Mend Ferroli Mend Halstead Mend Heatline Mend Kohlangaz Mend Myson Mend Potterton Mend Remeha Mend Siemens Mend Switchmaster Mend Vaillant Mend Vokera Mend Worcester

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