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We have 63 questions about mending 'optima boiler water'

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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]
Mend Heating, Home Heating Systems

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 Heating, Home Heating Systems

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

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 Heating, Home Heating Systems

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 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

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 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?

Recently having switched on my boiler I found there was no hot water or heating, not being a bright spark I ca... [Read more]
Mend Heating, Home Heating Systems

Whats wrong with my ferroli optima 2000 boiler?

My ferilli optima 2000 will fire up but as the boiler ignites it immediately shuts off and the ignition fail l... [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

Central Heating won't heat radiaters but do have hot tap water?

I have an Optima 700 boiler/central heating system. When I turn up the room thermostat it clicks but the boile... [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

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]
Mend Heating, Home Heating Systems

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, 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]
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