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Mend Heating, Home Heating Systems

why aren't my radiators getting hot on my ferroli optimax he31?

Hi my boiler is switched on and the radiator icon is indicating that the radiators are on but they are not get... [Read more]
Mend D.I.Y, Plumbing

Ferroli Boiler Optimax HE 31C?

Flashing F21 what does this mean and can I fix it without having to call an engineer?
Mend Heating, Home Heating Systems

Connections on Ferroli F24 Gas Valve?

Anyone know the connections and expected voltages on the gas valve VK4105G fitted on a Ferroli boiler. Mine is... [Read more]
Mend Heating, Home Heating Systems

I have a ferroli Modena 102 Modena boiler?

My central heating light on control panel keeps flashing and boiler will kick up then go of after 2 minutes bu... [Read more]
Mend Heating, Home Heating Systems

Heating coming on all times?

HI I have a new Ferroli Modena C HE boiler My thermosat is set to come on twice a day, 5-54 am off 6-15am on... [Read more]
Mend Heating, Home Heating Systems

How can I get my ferroli boiler to work?

My ferroli boiler is flashing 26 no hot water and no heating had gas man to it today and he replaced the senso... [Read more]
Mend Heating, Home Heating Systems

Installation instructions for Ferroli 30800009?

I have bought a Ferroli Radio Thermostat Clock (Part No. 30800009) to fit to my Ferroli Optimax HE Plus 31C. I... [Read more]
Mend Heating, Home Heating Systems

Ferroli optimax HE 31C?

my fuse box tripped and it turned off my boiler and now the boiler is showing high on the gauge and flashing F... [Read more]
Mend Heating, Home Heating Systems

Over filled my Ferroli boiler?

I recently had to repressure my boiler and add more water but had a problem getting the inlet pipe to close so... [Read more]
Mend Heating, Home Heating Systems

I can't get the heating to work on my Ferroli F24B?

Can anyone help. My Ferroli F24B boiler is suppling hot water but no central heating. I have checked the batte... [Read more]
Mend Heating, Home Heating Systems

How do i get the water pressure up please?

I have a Ferroli optimax he 31c boiler and need to get the water pressure up, how do i do it please?
Mend Heating, Home Heating Systems

boiler indicating f5 causing ?

what is happening when the boiler indicating F5 is causing problem? my bolier is ferroli probably installed a... [Read more]
Mend Heating, Home Heating Systems

Fan is running constantly when boiler is not in use?

Ferroli Optimax HE 31C boiler. No fault code showing
Mend Heating, Home Heating Systems

time clock problem?

My boiler (Ferroli Optimax plus HE 38c) screen is blank, and the time clock screen shows "noCN" is this a cloc... [Read more]
Mend Heating, Home Heating Systems

How do I stop water from flowing outside from my ferroli optima 901 boiler?

Pressure bar is constantly at 3. If I drain radiators, pressure reduces but then creeps back up again. I have ... [Read more]
Mend Heating, Home Heating Systems

Ferroli , Modena 102 Gas boiler?

I have a modena 102 gas boiler, when i turn it on it starts up ok, but after a few minutes it will go off agai... [Read more]
Mend Heating, Home Heating Systems

how can i fix my thermostat?

I have I ferroli he plus boiler. my thermostat is a siemans rdj 1 orf which has stopped working. can anyone h... [Read more]
Mend Heating, Home Heating Systems

how to fix ferroli optimax 25 c?

why would heating stay on continuous wth r stat link removed and timer link out, only controll that works is t... [Read more]
Mend Heating, Home Heating Systems

Ferroli H31c no hot water or heating & no fault sign?

any clever solutions hugely appreciated - just had an engineer around who could not find the problem but sugge... [Read more]
Mend Heating, Home Heating Systems

Any ideas on how to fix my Ferroli Optimax HE Plus 31 C combi boiler?Ferrol?

Ferroli Optimax HE Plus 31 C 3 years old from new. Have heating but no hot water, when I turn on hot tap the D... [Read more]

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