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We have 60 questions about mending 'manual ferroli boiler'

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Mend Heating, Home Heating Systems

Ferroli DOMIcompact F24B: Unknown error?

I just came back from a couple of days away from home (boiler not used for 4.5 days), and my boiler is showing... [Read more]
Mend Heating, Home Heating Systems

Over filled my Ferroli boiler?

I recently had to repressure my boiler and add more water but had a problem getting the inlet pipe to close so... [Read more]
Mend Heating, Home Heating Systems

I can't get the heating to work on my Ferroli F24B?

Can anyone help. My Ferroli F24B boiler is suppling hot water but no central heating. I have checked the batte... [Read more]
Mend Heating, Home Heating Systems

What is the pcb on ferroli boiler?

I have been getting all sort of fault codes on my boiler but now is a02 which says faulty pcb but cannot find ... [Read more]
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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]
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raising the pressure on a Ferroli Optomax 38?

I have just moved into a house with a combi boiler. I had to remove radiators for redecoration. The boiler ha... [Read more]
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how do i raise water pressure in my ferroli boiler?

i have a ferroli domicondens he 26 c boiler and the water pressure has dropped , any other boiler i can fix th... [Read more]
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ferroli he25s?

My boiler has shut down and is showing a flashing red code A 26.....what does this mean as this code is not in... [Read more]
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where do i findvalves on ferroli he plus 35 s?

the window on the front of this boiler is flashing f37. manual does not say clearly what to do. there are 2 va... [Read more]
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Ferroli fault code A62?

My boiler is a Ferroli Optimax HE Plus 38C. It stopped working last night and is displaying fault code A62 whi... [Read more]
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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

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]
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How do you change a flow sensor on a ferroli Optimax HE plus 31C Boiler?

We have a Ferroli Optimax He Plus 31C boiler and it keep Flashing a F14 fault which according to the manual is... [Read more]
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Heating Temp problem Ferroli Maxima 35c?

I have an issue where the heating temp will not reach the dsired value. I set the heating temp using the dial... [Read more]
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Ferroli combi boiler F1 fault?

Ferroli combi boiler F1 fault? Any help appreciated. The gas meter is open and working fine. Boiler shows f... [Read more]
Mend Heating, Home Heating Systems

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]
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ferroli optimax 31?

boiler shows A1 manual says purge air from system by opening gas cock, which i cant find. shows where it is i... [Read more]
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how do i fix my broken boiler?

I have a Ferroli optimax 25 c boiler, it has stopped working and showing fault code F37. The manual say thi... [Read more]
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how to wire a programable room stat?

i am trying to wire an iflo rf programable room stat into a ferroli domi condens f28 boiler but the instructio... [Read more]
Mend Heating, Home Heating Systems

ferroli displaying F37?

My boiler is displaying fault F37 ie water pressure is too low. Manual says fill system, how do I do this?
Pages 321

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