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Mend Optima Home Heating Systems

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Mend 30 boiler fire flashing
2

Worcester 30 Cadillac combi boiler won’t fire up and the EA?

my worcester 30 cdi combi combi boiler wont fire up and ''ea'' keeps flashing? my worcester 30 cdi combi bo... [Read more]
Mend Heating, Home Heating Systems
1

Greenstar 24Ri boiler, fast flashing - can I reset?

Greenstar 24Ri boiler won't light and the blue light is fast flashing. From the manual I can see that the iss... [Read more]
Mend Heating, Home Heating Systems
1

Oil fired boiler thermostat?

I have a Velaire 110/135 oil fired domestic boiler. I think the boiler thermostat may be faulty. The manual sa... [Read more]
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Mend Optima

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We have 147 questions about mending 'optima' in category Heating, Home Heating Systems

How to mend Optima

Pages 54321
Mend ferroli modena hello
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 radiators set temperature
1

Why do my TRV's rattle?

The bi-directional TRV's on my radiators rattle loudly when they reach the set temperature for operating (clos... [Read more]
Mend ferroli clock boiler
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 pressure problems bar
3

ferroli optima 700 water pressure problems?

hi the water pressure on the boiler is reading below 1 bar when its topped up to above that and the heatings o... [Read more]
Mend optima boiler water
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 supplies hot
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 ferroli boiler overflow
2

My optima ferroli boiler leaks from the overflow pipe and the temperature?

My overflow pipe is leaking only a little drip constantly if i put my boiler on the temperature gauge seems to... [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 upstairs radiators hot boiler
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 turning combi boiler
2

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]
Mend boiler wall gas
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 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 losing pressure couple
1

ferroli optima boiler losing pressure?

just had a new bathroom fitted and since the pressure on the boiler is dropping to zero within a couple of hou... [Read more]
Mend water central heating light
2

ferroli optima 700?

i can only get hot water when central heating is on not when hot water only is chosen pilot light ignights ... [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 optima boiler pressure
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 ferroli optima pilot
2

how can i fix my ferroli optima 700?

my optima 700 was working fine,then no hot water or heating. checked pilot it was out,went through ignition p... [Read more]
Mend problem optima water
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]
Pages 54321

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Ferroli Modena HelloRadiators Set TemperatureFerroli Clock BoilerPressure Problems BarOptima Boiler WaterBoiler Supplies HotFerroli Boiler OverflowHot Water ColdUpstairs Radiators Hot BoilerTurning Combi BoilerBoiler Wall GasOptima Diverter ValveDiverter Valve AirHot Gas CombiLosing Pressure CoupleWater Central Heating LightExpansion Find BoilerOptima Boiler PressureFerroli Optima PilotProblem Optima Water
Mend turning combi boiler

Why does the Hawk II Optima keep turning on central heating without request?
Mend fire boiler flame lit

Optima failing to fire up?
Mend boiler wall gas

Optima boiler?
Mend time optima mains

time clock failure?
Mend diverter valve air

Optima 701 Diverter?
Mend Heating, Home Heating Systems

optima 701 pressure rises when heatings on drops when off?
Mend hot gas combi

No Hot Water OPTIMA 701 gas combi boiler?
Mend optima diverter valve

Optima 701 Diverter Valve?
Mend boiler turns off

boiler turns off and on?

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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