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Defy dtl151?

Imbalance of tub Defy DTL151

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How can i fix issue?

have tamper alarm 17.83 pnd opto blocked how do i clear this please, its on a psycho cash beast club barcrest ... [Read more]

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Engine turns but does not start, no dash lights.

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Mend Boiler Ferroli Pressure

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We have 288 questions about mending 'boiler ferroli pressure'

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Mend heating radiator pressure

pipe that goes into radiator has small hole.my boiler is ferroli optima?

small hole in radiator pipe.have turned water off but pilot light still on in boiler were pressure is at zero... [Read more]

Mend boiler lockout ferroli

Red lock out light on Modena 80E Ferroli combination Boiler keeps coming on?

Modena 80E Ferroli combination boiler red lockout light keeps activating. This usually happens when turning ho... [Read more]

Mend combi boiler boiler pressure heating system

Too much pressure?

We have a ferolli combi boiler, that has too much pressure in the system (3 3.5Bar) how can i reduce this back... [Read more]

Mend ferroli gas pressure

How to fix fault affecting Ferroli Optimax HE 31 gas boiler?

The F fault indicator signifying low pressure and failure on my Ferroli gas boiler Optimax HE 31C hasnow been ... [Read more]

Mend central heating boiler pressure

Boiler water pressure?

I have a Ferroli SYS 10-23 central heating/hot water boiler with very low water pressure in the central heatin... [Read more]

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Increasing water pressure in Ferroli Tempra 24?

Hi, I want to increase the water pressure in my Ferroli boiler (it's at ~0.2 Bar) but not too sure where to c... [Read more]

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ferroli combi boiler Pressure?

I re-pressurised my expansion tank about 18 months ago using instructions below:- 1. Switch off the boiler.... [Read more]

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F37 fault but pressure is fine ???

Hi I have a ferroli boiler which flashes F37 occasionally. The pressure is 1.5 - 2.0 so that seems fine. I... [Read more]

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Ferrole Sigma60-100 on/off?

Had a fault on a sigma today, and replaced air pressure switch. The boiler then worked ok.....untill tonight w... [Read more]

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Ferroli F30 water pressure problems?

I have a Ferroli F30 Cobi Boiler that has been working fine throughout the summer providing hot water. I have ... [Read more]

Mend water time switches

ferroli tempra18 , hot water switching to standby all the time?

when the boiler is on for water only , it switches of to standby all the time,leaving just the bar pressure li... [Read more]

Mend heating boiler pressure

f30e only warm water?

i have a f30e boiler when i run my hot water it only warms up and doesn't get hot i've looked through the manu... [Read more]

Mend boiler heating pressure

ferroli optimax he 31 c?

hello, silly question - how on earth do i fill my boiler to increase pressure? i have tried turning the blu... [Read more]

Mend boiler heating pressure

how i put pressure into my ferroli boiler?

my pressure gauge has dropped below one i cant remember which tap puts pressure back into ferroli boiler

Mend boiler heating troubleshooting

FERROLI OPTIMAX HE 31C LPG?

I HAVE INSTALLED A NEW OPTIMAX HE 31C, THE BOILER WILL NOT FIRE ON START UP, AFTER TALKING TO FERROLI IT WAS ... [Read more]

Mend boiler heating fault

how do i get more pressure into my Ferroli DOMIcompact F30 boiler?

how do i get the pressure correct on my ferroli f30 boiler? its showing f37 fault.

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how can i fix my ferolli optima 701?

my pilot is on but when i turn tap or central heating on the boiler will not fire. if i pull clear tube off le... [Read more]

Mend fire hello combi fan

Ferroli Falcon II Ignition Wont Fire Up?

Hello. I have a Ferroli FER Falcon II Combi Boiler. The fan runs but the ignition does not fire up. However, I... [Read more]

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Ferroli combi boiler not responding to thermostat?

I have a related problem whereby I have a Drayton wireless thermostat system that is controlling a Ferroli boi... [Read more]

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No display on Ferroli Optimax HE 31 C control panel why?

Please help. The control panel has some lines on it (power is on) but no symbols at all - no fault codes, no p... [Read more]

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Mend Heating, Home Heating Systems

Ferolli Optimax HE 31C expansion vessel change?

Mend boiler heating pressure

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

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Replace a diverter valve?

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

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F40 fault?

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How can i repair a noCN fault on my boiler?

Mend boiler heating pressure

Ferroli Optimax HE31c a26 problem?

Mend boiler ferroli parts

Parts for ferroli optimax he 31c ?

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Ferroli DOMIcompact F 30 D?

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