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Mend Optima Home Heating Systems

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Vaillant timeswitch 150 analogue unit (clock stopped?

vaillant timeswitch 150 analogue unit. the clock has stopped working.
Mend Heating, Home Heating Systems

Worcester boiler dripping water?

Worcester boiler dripping water, can I just tight the screw? The icon next to the valve looks like radiators... [Read more]
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Vaillant ecotec 831 plus?

Following a F22 fault where we had no heating and only cold water from the hot water tap, I topped up the syst... [Read more]
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Mend Optimax He Plus 31c

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We have 59 questions about mending 'optimax he plus 31c' in category Heating, Home Heating Systems which have been answered

How to mend ... Optimax He Plus 31c

Pages 321
Mend Heating, Home Heating Systems

Ferolli Optimax HE 31C expansion vessel change?

How easy is it to change the expansion vessel on a Ferolli Optimax HE31C please? Looks straightforward but nev... [Read more]
Mend Heating, Home Heating Systems

Parts for ferroli optimax he 31c ?

Hi, can I mend this boiler using parts from the plus model as I've been given one? Thanks, Mike
Mend Heating, Home Heating Systems

How turn off heating in Ferolli Optimax 31c?

I dont know how turn off heating in my boiler. I Have remote controller with thermostate but i think is not co... [Read more]
Mend Heating, Home Heating Systems

ferroli plus 31c has a code b2 any ideas?

code fault b2 on my ferroli optimax plus 31c
Mend Heating, Home Heating Systems

Installation instructions for Ferroli 30800009?

I have bought a Ferroli Radio Thermostat Clock (Part No. 30800009) to fit to my Ferroli Optimax HE Plus 31C. I... [Read more]
Mend Heating, Home Heating Systems

How do i get the water pressure up please?

I have a Ferroli optimax he 31c boiler and need to get the water pressure up, how do i do it please?
Mend Heating, Home Heating Systems

how can i fix my optimax HE 31c?

Got ferroli boiler optimax he 31c no heating or hot water but got a flashing F on front panel ! Any ideas ?
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how can i fix?

i have a leak on the plastic cup threads on the ferroli optimax he 31c condensate/cup can i get these anywhere... [Read more]
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Ferrolli optimax 31c?

Works on hot water and on heating test mode but not on normal heating mode
Mend Heating, Home Heating Systems

Ferroli HE 31c optimax code F37?

I have just put a new PCB in and have reset the boiler my pressure gauge is 1.5b but i still have the fault an... [Read more]
Mend Heating, Home Heating Systems

FERROLI OPTIMAX HE 31C flow sensor and water coming out the bottom!?

Hi All, New to the forum but really hoping someone can advise, We have a 5 year old OPTIMAX HE 31C boile... [Read more]
Mend Heating, Home Heating Systems

Ferroli optimax HE pluss 31c?

Fault f47 flashing ? can anyone help
Mend Heating, Home Heating Systems

how can i fix ferroli 31c he?

I have ferroli optimax 31c he. the problem occured all of a sudden.The front screen on the front of the boiler... [Read more]
Mend Heating, Home Heating Systems

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 Heating, Home Heating Systems

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 Heating, Home Heating Systems

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 Heating, Home Heating Systems

How can I fix my Ferroli Optimax HE 31C?

I have hot water but radiators won't fire up.
Mend Heating, Home Heating Systems

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 Heating, Home Heating Systems

f21 error message on ferroli optimax he 31c boiler?

f21 error message appears after running central heating on a ferroli optimax he 31c boiler
Pages 321
Mend Heating, Home Heating Systems

OPTIMA 701 Ferrori heating problem?
Mend Heating, Home Heating Systems

how can i fix my ferolli optima 701?
Mend Heating, Home Heating Systems

how do i depressurise a ferrolli optima boiler?
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how can i fix boiler?
Mend Heating, Home Heating Systems

Optima failing to fire up?
Mend Heating, Home Heating Systems

Big bang on ignition?
Mend Heating, Home Heating Systems

high pressure when heatings on?
Mend Heating, Home Heating Systems

Trianco Optima Boiler Programmer Fault (QA73)?
Mend Heating, Home Heating Systems

optima 701 pressure rises when heatings on drops when off?

How to mend ...

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

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