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Mend Optima Home Heating Systems

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Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

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 Optima Combi Boiler

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We have 25 questions about mending 'optima combi boiler' in category Heating, Home Heating Systems which have been answered

How to mend ... Optima Combi Boiler

Pages 21
Mend Heating, Home Heating Systems

How to clean Venturi?

How would I go about cleaning the venturi on my Ferroli Optima 1000 combi boiler. Thanks for looking.
Mend Heating, Home Heating Systems

hot water problem?

when i turn on my hot water tap or shower the water is cloudy. the boiler i have is a optima ferroli combi any... [Read more]
Mend Heating, Home Heating Systems

fitting ferroli boiler 700?

I want to fit a second hand ferroli optima 700 combi boiler but only have 15mm gas supply . Will it work even ... [Read more]
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how can i fix my combi boiler.ferroli optima 201?

pilot lights first time but goes out when releasing knob .pressure at no.2 which is ok,new thermacouplar has ... [Read more]
Mend Heating, Home Heating Systems

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]
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Can I Fix?

I have a ferroli optima 700 combi boiler. I get hot water while the heating is on, but only get intermittant h... [Read more]
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Ferroli optima 701 (combi boiler)?

The water pressure in the boiler creeps up to 3 bar, I have previously reduced the pressure in the system by d... [Read more]
Mend Heating, Home Heating Systems

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 Heating, Home Heating Systems

Why do the upstairs radiators not get hot?

I have a Ferroli Optima 701 Combi Boiler. Our heating is working on the downstairs radiators, it seems quite h... [Read more]
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Why does the Hawk II Optima keep turning on central heating without request?

I have a Hawk II Optima combi boiler which is around 10yrs old. I've pushed the selector switch to the disable... [Read more]
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No Hot Water OPTIMA 701 gas combi boiler?

I get no hot water unless I have the heating on. I have cleaned the water filter, flowmeter and flow restricto... [Read more]
Mend Heating, Home Heating Systems

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 Heating, Home Heating Systems

how can I fix my Optima Ferroli Combi-boiler?

Where can I locate the tap to change the pressure back up on my Optima Ferroli (1995) Combi boiler after I hav... [Read more]
Mend Heating, Home Heating Systems

optima 701 ferroli does not work on central heating but it gives hot water?

My optima 701 ferroli combi boiler works very well only 0n hot water but when its knob is turned to turn on th... [Read more]
Mend Heating, Home Heating Systems

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 Heating, Home Heating Systems

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 Heating, Home Heating Systems

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 Heating, Home Heating Systems

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 Heating, Home Heating Systems

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 Heating, Home Heating Systems

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
Mend Heating, Home Heating Systems

optima 701 pressure rises when heatings on drops when off?
Mend Heating, Home Heating Systems

how can i fix boiler?
Mend Heating, Home Heating Systems

Optima failing to fire up?
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Big bang on ignition?
Mend Heating, Home Heating Systems

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

OPTIMA 701 Ferrori heating problem?
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how do i depressurise a ferrolli optima boiler?
Mend Heating, Home Heating Systems

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

high pressure when heatings on?

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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