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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
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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 He

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We have 218 questions about mending 'ferroli he' in category Heating, Home Heating Systems

How to mend Ferroli He

Pages 98765
Mend boiler heat exchanger sensor fault

Ferroli Boiler HE 38C/Heat exchanger?

DHW Run's hot and then goes cold? I have a Ferroli Opimax HE 38C 4 years old, When I turn ON DHW run's hot a... [Read more]
Mend pressure gauge ferroli
2

my bar gauge is reading 2.2 bar how do i get it down?

i have a ferroli optimax he 31c and the bar gauge is reading 2.2 bar how do i get it down without blowing up m... [Read more]
Mend boiler heating ferroli

How can I fix my boiler, ferroli optimax he plus c?

newly fitted, worked for a day and then made a pop sort of sound and stopped working.Left for a while pushed r... [Read more]
Mend boiler heating no heat

no heating from ferroli boiler?

I have a ferroli optimax he 31c. the hot water works fine but this morning the heating will not come on. the... [Read more]
Mend boiler heating ferroli

How can i fix my Ferroli Optimax HE PLUS 31C boiler?

My Ferroli boiler will not ignite after the electric was off all night. Can you please help and advise how i c... [Read more]
Mend boiler heating fault code

optimax he 31 c ferroli boiler?

a 40 fault code comes on my optimax he 31 c ferroli boiler
Mend boiler central heating heat exchanger

Ferroli Modena 80E Hot water but no CH?

Hi, I've not used my CH for a few months over the summer, went to put it on a few weeks ago during a cold s... [Read more]
Mend boiler ferroli fault
2

ferroli optimax HE 31C combi boiler?

my boiler will not fire up it just starts the fan then goes on to F12. What is F12 fault
Mend boiler heating error

How can I fix my ferroli optimax he 38c boiler, it keeps saying A1?

My boiler keeps saying A1 and my heating and hot water is now off?
Mend Ferroli Optimax Heating
1

how do i turn off heating but keep hot water?? Ferroli optimax HE 31C?

wanting to turn of heating for summer but keep hot water on....how do i do this please...i have no manual!
Mend boiler heating radiators
1

How can I fix my Ferroli Optimax HE 31C?

I have hot water but radiators won't fire up.
Mend combi boiler ferroli heating

how long can the flu be on a combi boiler Ferroli Optiomax HE 38 c?

how long can the flu be on a combi boiler Ferroli Optiomax HE 38 c? At the moment the flu goes half way up... [Read more]
Mend boiler ignition safety
1

What is complaints address for Ferroli?

I have had a Ferroli optimax HE 31 C for one year amd I want to write a letter of complaint but there are not ... [Read more]
Mend boiler heating pressure

Ferroli Optimax he 38C?

This morning I had F37 so I topped up the pressure, later I had F40 so I bled the radiator and reset. Now I h... [Read more]
Mend boiler ferroli optimax
1

Symbols on the control panel mean?

My boiler is a Ferroli Optimax He 31C... What do the symbols 'M', 'P'. and the arrow on the right hand side... [Read more]
Mend boiler heating ferroli
1

f21 error message on ferroli optimax he 31c boiler?

f21 error message appears after running central heating on a ferroli optimax he 31c boiler
Mend boiler heating ferroli
1

how to fix d1 error on a ferroli optimax he 31c boiler?

d1 error message keeps coming up after running hot water on a ferroli optimax he 31c boiler
Mend boiler heating ferroli
1

How can I turn the power on for Ferroli Optimac HE 31S?

We had a power issue, the trip switch for the heating was off this morning. After I put the trip back on, the... [Read more]
Mend boiler heating thermostat

instructions on how to fit a thermostat?

how to fit a horstmann wireless thermostat to a ferroli optimax he plus 31 c boiler
Mend boiler leakage heating
1

Ferroli HE 31 C boiler leaked now no power?

Last night, I heard a strange dripping noise and discovered it was a leakage coming from the boiler. I switche... [Read more]
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Mend boiler heating pressure

Ferroli Optimax HE31c a26 problem?
Mend boiler heating pressure

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

Parts for ferroli optimax he 31c ?
Mend boiler heating leak

Ferroli DOMIcompact F 30 D?
Mend Heating, Home Heating Systems

Ferolli Optimax HE 31C expansion vessel change?
Mend replace diverter valve

Replace a diverter valve?
Mend boiler heating ferroli

F40 fault?
Mend boiler heating radiators

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

How can i repair a noCN fault on my boiler?

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