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Mend Ferroli Modena 80E Boiler Pressure Central Heating

Ferroli Boiler - Modena 80E (G.C. No. 47-267-05?

My Ferroli boiler is leaking from the overflow.
I have had a new PRV and had it descaled but it is still
leaking. The central heating pressure gauge is high at 3.
What could be the reason?

Jo
February 2008
FerroliFerroli Modena 80EHeating, Home Heating SystemsBoiler Pressure Central Heating
Hi Jo

It is caused by either

1. Filling loop left on or not shutting off properly.

2. A perforated heat exchanger causing mains cold water to enter the central heating.

3. Expansion vessel in boiler needs recharging or needs replacing.

Hope this helps

Mark Corgi Engineer

Mark
March 2008
I think that the pressure is too high try reducing it to 2 bar

Brian r
February 2008

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