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We have 110 questions about mending 'ferroli optimax water'

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Mend water boiler yesterday

How to stop a water leak on Ferroli optimax?

I have a ferroli optimax HE plus 31c boiler. It was serviced yesterday and today it has developed a leak from ... [Read more]
Mend he 31 c

bring water pressue down on ferroli he 31 c?

how do I bring water pressure down on ferroli optimax he 31 c stupidly over filled it
Mend leaking water top

Ferroli Optimax HE Plus Leaking?

Water dripping from under the boiler onto my kitchen top. I have dried the area with paper towels and looked ... [Read more]
Mend ferroli heating boiler

ferroli optimax plus he31c?

Ican get central heating but no hot water the boiler is firing up when hot water is demande but cold is coming... [Read more]
Mend code working years

Ferroli Optimax HE31C Error Code NOcn?

I have a Ferroli Optimax HE31C Boiler and it has been working fine for years but all of a sudden it has fault ... [Read more]
Mend ferroli water central

ferroli optimax HE31C the digital display is saying 'no CN''? ?

We have no hot water or central heating, no other error code is displayed. I've turned off at the mains, press... [Read more]
Mend boiler fan hot

ferroli optimax 26 problem?

hi can anyone advise me my boiler is currently displaying -- the fan is on but no hot water and no heatin... [Read more]
Mend Heating, Home Heating Systems

Ferroli Optimax HE 31 C - Multiple faults?

I get a variety of faults which I can usually reset - but the current fault is F 15 - which is a fan problem -... [Read more]
Mend boiler water filled

ferroli optimax 25 s boiler?

Hi, boiler keeps using water have to fill loop daily as it trips out, when filled it restarts automatically an... [Read more]
Mend ferroli optimax he plus 31 c

ferroli optimax he plus 31 c?

no hot water
Mend hot central ideas boiler

Can't get hot water but central heating is working fine, any ideas??

Ferroli Boiler Optimax HE 31C. Bar pressure and temperature is fine
Mend ferroli 31c optimax

circuit board dead Ferroli optmax he plus 31c?

looked at my boiler Ferroli Optimax Plus HE C31 only to see the clock showing nocall and nothing on the main... [Read more]
Mend boiler fire up

how do I get my boiler to fire up?

Hi my Ferroli optimax he plus 31c won't start up and has not got hot water after I bled one of my radiators I... [Read more]
Mend boiler showing fault

How can I increase the water pressure to my Ferroli Optimax HE31C boiler?

My boiler is showing an F37 fault. I've located the water pressure gauge and the black valve underneath it. Wh... [Read more]
Mend sensor water coming

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 ferroli optimax pressure

ferroli optimax pressure problems?

water pressure at 1 bar heating comes on creeps up to above 3 release some pressure when heating off boiler co... [Read more]
Mend help heating water days

Ferrolli Optimax 25s boiler broken?

Hi - don't know if anyone can help? No heating or hot water for a few days now, awaiting an engineer who we... [Read more]
Mend optimax he plus 31 c boiler

Ferroli Optimax HE Plus 31 C Boiler noise?

It is making a humming noise that makes you feel like you have tinitus. It only makes the noise when the radi... [Read more]
Mend boiler problems water

how can i fix ferroli optimax he=38c boiler?

boiler has run with no problems for about six months now have problem with pressure dropping. have added water... [Read more]
Mend central heating problem

central heating problem?

how do you alter the water pressure on my ferroli optimax he plus 31 c boiler
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