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Mend Optima 901 Home Heating Systems

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Mend radiator thermostatic stuck
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One radiator in a bedroom is always cold?

One radiator in a bedroom is always cold. It used to work fine. I have tested the thermostatic value and the... [Read more]
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Worcester Greenstar CDi boiler won't fire up the central-h?

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Mend Optima 901

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We have 38 questions about mending 'optima 901' in category Heating, Home Heating Systems

How to mend Optima 901

Pages 21
Mend Heating, Home Heating Systems
1

Pressure loss in Ferroli Optima 901 when on timed programme?

On timed programe ie.off mid-day to 5p.m. and from 1a.m. to 7.a.m. there is loss of pressure below cut off poi... [Read more]
Mend pilot light heating system
1

optima ferroli 901?

pilot light is lite but the heating system wont flair up
Mend combi boiler ignition thermostat
1

Pilot light will not ignite?

Can anyone advise me please? itis a Ferolli Optima 901 combi boiler i have tried numerous times to light the d... [Read more]
Mend boiler pcb heating
1

ferroli modena 80 e blowing fuses and no power to fan?

Hello Garry, This is just a friendly email as I have looked at your replies at this url http://www.howtomen... [Read more]
Mend combi boiler central heating intermittent problem
2

Intermittent problem with Ferroli Optima 901 Combi Boiler?

Our boiler supplies piping hot water in 'hot water' mode and heats the radiators in 'hot water + heating' BUT ... [Read more]
Mend hot water cold
1

how can i fix my ferroli optima 901?

the hot water keeps going hot then cold every minte
Mend heating installation boiler
1

Optima boiler?

Wish to take my little used optima 901 off the wall to re-skim and then re-place.Been told from local pub gas ... [Read more]
Mend expansion find boiler
4

ferroli optima 901 expansion vessel location?

Hi I cannot find the expansion vessel,can anybody tell me where it is on the boiler? I have taken of the cov... [Read more]
Mend boiler pressure faults
4

feroli optima 901 boiler pressure high?

HI my boiler optima 901 pressure is high 2.8 bar+ and operating the prv.I have set the pressure with the hea... [Read more]
Mend boiler central heating pcb
1

Can anyone diagnose the problem with my Ferroli Optima 901?

I have a Ferroli Optima 901. When the hot water is run for a period of 3-4 minutes the boiler cuts out and the... [Read more]
Mend combi boiler no hot water boiler repair
1

how can i fix my ferroli combi boiler. optima 901?

woke up this morning to no hot water or heating, Piolet light on pressure ok. any ideas please.
Mend boiler combi pressure
2

Ferroli Optima 901 -occasional Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing occasional problems with no ho... [Read more]
Mend combi boiler hot water pressure relief valve
1

Ferroli Optima 901 -Intermittent Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing intermittent problems with no ... [Read more]
Mend boiler heating ferroli
4

where can I get a user manual for a Ferroli optima 901?

A pensioner near to where I live wants to 'set up' his Ferroli Oprima 901, I said I would go on line for him t... [Read more]
Mend combi boiler ferroli optima heating system
2

Ferroli Optima 901 -Intermittent Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing intermittent problems with no ... [Read more]
Mend boiler leaking ferroli
1

what is wrong with my ferroli optima 901?

the outside overflow is constantly leaking water and even when the boiler is off it sounds like water is being... [Read more]
Mend heating timer failure
1

time clock failure?

optima 901 will run for weeks ok, then forsome unknown reason without a mains failure, the timer clock returns... [Read more]
Mend combi boiler heating hot water
1

How can i fix my optima 901 combi boiler??

I have hot water, but no heating. The pump and fan are both running, but the burner seems to come on and autom... [Read more]
Mend boiler heating fault
3

Ferroli Optima 901 Boiler?

Ferroli Combi Boiler Optima 901? Niggling fault which seems to be getting worse. If the boiler is not used... [Read more]
Mend combi heating fault
3

Ferroli Combi Boiler Optima 901?

Niggling fault which seems to be getting worse. If the boiler is not used, i.e you have not run hot water for... [Read more]
Pages 21

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How to mend ...

Mend Alpha Mend Alpha Heating Mend Apollo Mend Ariston Mend Baxi Mend Bermuda Mend Berry Mend BIASI Mend Bosch Mend Boss Mend Boss Therm Mend Boulter Mend British Gas Mend Britony Mend Brittany Mend Brittony Mend Camray Mend Cannon Mend Canon Mend Celsia Mend Chaffoteaux Mend Chaffoteaux & Maury Mend Concord Mend Crane Mend Danfoss Mend Digistat Mend Dimplex Mend Drayton Mend Ecomax Mend Ferroli Mend Fertech Mend Firebird Mend Flexicom Mend Glow Worm Mend Glow-worm Mend Glowworm Mend Grant Mend Grundfos Mend Halstead Mend Harcal Mend Heatline Mend Heatslave Mend Honeywell Mend Horstmann Mend Hydroline Mend Icon Mend Icos Mend Ideal Mend Isar Mend Jaguar Mend Johnson & Starley Mend Keston Mend Kingfisher Mend Kohlangaz Mend Landis & Gyr Mend Lifestyle Mend Linea Mend Main Mend Medway Mend Modena Mend Morco Mend Myson Mend Netaheat Mend Ocean Mend Optima Mend Potterton Mend Powermax Mend Prima Mend Promax Mend Protherm Mend Pulsacoil Mend Puma Mend Randall Mend Ravenheat Mend Remeha Mend Riello Mend Sabre Mend Saunier Duval Mend Servowarm Mend Siemens Mend Sime Mend Stelrad Mend Swift Flow Mend Switchmaster Mend Thorn Mend Thorn EMI Mend Tiger Mend Trianco Mend Vaillant Mend Valiant Mend Viessmann Mend Vizo Mend Vokera Mend Vulcan Mend Worcester Mend Worcester Bosch

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