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We have 63 questions about mending 'optima boiler water'

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Mend Heating, Home Heating Systems

The hot water sensor on ferroli Optima 901 keeps needing to be replaced?

I have had to replace the hot water and also heating sensor on our Ferroli Optima 901 combi boiler several tim... [Read more]
Mend Heating, Home Heating Systems

hot water on ferroli optima boiler keeps going hot and cold why ?

my hot water on my boiler keeps going hot and cold . its come to a point that our bath water is only warm when... [Read more]
Mend Heating, Home Heating Systems

Ferroli Optima Boiler won't light and fan makes strange noise?

Our boiler's fan has been making some strange noises when kicking in for a few weeks now, a rapid clicking noi... [Read more]
Mend Heating, Home Heating Systems

boiler problems?

i have a ferroli optima 701 i select hot water and ch on continous butt get no heating only hot water please r... [Read more]
Mend Heating, Home Heating Systems

Why is the LCD screen on my Optima 701 blank? (And how do I fix it?)?

Since I moved into this flat, the screen on the CH boiler has been blank, like there's no power getting to it.... [Read more]
Mend Heating, Home Heating Systems

How can I fix the problem of boiler pressure?

Re: Ferroli Optima 701 As soon as I top-up water level to Bar 2, the pressure keeps dropping and then the b... [Read more]
Mend Heating, Home Heating Systems

no hot water from my ferroli optima 701?

i cant get the boiler to fire up in hot water mode and the water only comes out in a trickle. i have to turn b... [Read more]
Mend Heating, Home Heating Systems

how can i fix my ferroli optima 701 boiler?

Central heating comes on ok, but hot water can take from 15 - 30 minutes to come on. Help please? Ferroli ... [Read more]
Mend Heating, Home Heating Systems

how can i fix my ferroli optima 701 combi-boiler?

central heating working . no hot water on hot water only having changed flow meter
Mend Heating, Home Heating Systems

Low Hot water outlet pressure through tap?

I am experiencing low hot water through tap and its coming out rusty. What type of heat exchanger is there on ... [Read more]
Mend Heating, Home Heating Systems

How can I reduce the pressure?

My Optima 901c.h pressure gauge needle is now indicating twice the recomended pressure setting, and the boiler... [Read more]
Mend Heating, Home Heating Systems

How can I reduce the pressure?

My Optima 901c.h pressure gague needle is now indicating twice the recomended pressure setting, and the boiler... [Read more]
Mend Heating, Home Heating Systems

Ferroli Optima 701 boiler will not fill with water?

The pressure on my boiler dropped suddenly to zero. Opened the tap and refilled to 1.1 and then shut of the in... [Read more]
Mend Heating, Home Heating Systems

how can i fix my fan?

my fan has seized on my Optima Ferroli boiler, i have no hot water or central heating... is there a way i coul... [Read more]
Mend D.I.Y, Plumbing

no dom hot water?

optima 701, i cant get d.h.w. heating is ok but running hot tap cold ,boiler not calling for heat when tap ope... [Read more]
Mend Heating, Home Heating Systems

boiler help?

hot water going from boiling hot to cold in seconds replaced two thermal elements but no luck boiler is a opt... [Read more]
Mend Heating, Home Heating Systems

pipe that goes into radiator has small hole.my boiler is ferroli optima?

small hole in radiator pipe.have turned water off but pilot light still on in boiler were pressure is at zero... [Read more]
Mend Heating, Home Heating Systems

fault diagnosis?

my ferroli optima boiler has stopped working hot water is fine but sometimes heating will not fire upone night... [Read more]
Mend D.I.Y, Plumbing

optima 701?

How do i change the pressure valve on optima 701 combi boiler? I am putting the pressure to 2bar, next day the... [Read more]
Mend Heating, Home Heating Systems

how can i fix boiler?

We have a ferolia optima combi boiler. We are now having trouble with the hot water, it gradually goes colder... [Read more]
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