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Mend Optima Home Heating Systems

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Sabre 29 water pressure drop?

sabre 29 water pressure dropped, how to increase the pressure
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Worcester Greenstar CDi boiler won't fire up the central-h?

flashing green light near the CH select button new batteries in transmitter
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How do i stop the time from flashing on the Siemens RDJ100RF?

How do i stop the time from flashing on the Siemens RDJ100RF unit
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Mend Optima 701

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We have 48 questions about mending 'optima 701' in category Heating, Home Heating Systems

How to mend Optima 701

Pages 321
Mend boiler ferroli temp sensor

how can i fix my rerroli optima 701?

i got a ferroli optima 701 and can only get hot water intermitantly , i've changed the temp sensor switch and ... [Read more]
Mend hot water central heating works problem
1

Ferroli Optima 701 Hot water intermitent?

What is the cause of intermitent hot water. Central heating works without any problem but hot water is not rel... [Read more]
Mend boiler heating fault
1

fault on ferroli optima 701?

ferroli boiler. i cant get fan to run at full speed when calling for heat or hot water. and the only way to ge... [Read more]
Mend stay problem light
1

Ferroli Optima 701 Pilot?

Hi My Ferroli Optima 701 Pilot will not stay lit I have Replaced the Thermocouple but still the same problem ... [Read more]
Mend boiler heating pressure

no hot water when switched to hot water only?

have a Ferroli optima 701 boiler.c/cheating fine.but hot water warm, but not hot, when switched to hot water o... [Read more]
Mend heating pressure corrosion
2

optima 701 pressure rises when heatings on drops when off?

optima 701 was in when we moved in,we have had a few problems in the past with pressure releif valve needing c... [Read more]
Mend ferroli heating pressure
1

My pressure is below 1 bar and my pilot light is out and won't re-light?

I have a Ferroli Optima 701 and my pressure is below 1 bar. How do I re-pressurise? Also my pilot light is out... [Read more]
Mend boiler leaking heating
1

Ferroli 701 losing pressure and leaking?

Hi, I wonder if there is a simple solution to the following problem: The Ferroli Optima 701 loses pressure ... [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 boiler reset time clock
2

Ferroli optima 701 time clock?

The clock on my 701 keeps tripping out to zero so the boiler will not fire up in auto so i have to keep resett... [Read more]
Mend boiler heating combi
3

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 boiler combi boiler heating
2

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]
Mend optima diverter valve
1

Optima 701 Diverter Valve?

Is the Diverter Valve really the Combination Gas Valve, Item No 44, GC Part No386544, Makers Part No 800540. ... [Read more]
Mend diverter valve air
1

Optima 701 Diverter?

Where is the diverter valve, does it have another name. Is it part 43 Air pressure switch ?
Mend hot gas combi
2

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 boiler turns off
1

boiler turns off and on?

I have boiler Optima 701 and its seven years old. The problem is that with the tap water I can get hot water f... [Read more]
Mend PCB Heating Ferroli
3

my ferroli optima 701 has eaten another pcb board 10 months this time?

what is the current draw on the air fan as the fan relay is 10 amps the board has blown another relay 10 month... [Read more]
Mend central heating combi boiler hot water
3

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 cylinder leak
1

optima 701 leaking?

My optima 701 has a leak, if i tak the front cover off there is a copper cylinder arround 2inch O.D on top of... [Read more]
Mend optima 701 water
3

My Ferroli Optima 701 boiler keeps losing pressure?

The pressure on my Ferroli 701 Optima boiler keeps losing pressure although there no water leaks.This particul... [Read more]
Pages 321

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Mend pressure hot water

high pressure when heatings on?
Mend optima diverter valve

Optima 701 Diverter Valve?
Mend heating installation boiler

Optima boiler?
Mend diverter valve air

Optima 701 Diverter?
Mend combi boiler central heating heating system

Why does the Hawk II Optima keep turning on central heating without request?
Mend home heating heating systems boiler

Optima failing to fire up?
Mend heating pressure corrosion

optima 701 pressure rises when heatings on drops when off?
Mend boiler turns off

boiler turns off and on?
Mend hot gas combi

No Hot Water OPTIMA 701 gas combi boiler?

How to mend ...

Mend Baxi Mend Bosch Mend Boulter Mend Britony Mend Dimplex Mend Drayton Mend Ferroli Mend Halstead Mend Heatline Mend Kohlangaz Mend Myson Mend Potterton Mend Remeha Mend Siemens Mend Switchmaster Mend Vaillant Mend Vokera Mend Worcester

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