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Ferroli Ltd.
Lichfield Road
Branston Industrial Estate
Burton upon Trent
Staffordshire
DE14 3HD

Book an Engineer 0871 559 29 24
Technical Advice 0871 559 29 27
Sales Enquiries 0871 559 29 20
Accounts Enquiries 0871 559 29 30
Main Switchboard 0871 559 29 31
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Prex 3G AS
PREX 3G AS is a superheated water boiler, in steel, with three effective flue passes, wetend plate, and used for the combustion of liquid and gaseous fuels in pressurizedfurnace

Prex 3G AS Manual
  • Heat output from 1.400 to 14.000 Kw
  • Standard design pressure 5, 12 and 15 bar
  • Max Design temperature 145, 175 and 185 °C
  • Design, certification and checking in accordance to PED 97/23/EC standard
  • System certification of boiler and accessories
  • Tube plates completely beaded to avoid “T” weldings
  • Reversing/back combustion chamber completely wet
  • Furnace with hot-worked expansion joints at heat, without top weldings, of large dimensions for low volumetric heating load and low polluting emission.
  • Active exchange surfaces to guarantee high efficiency (93%)
  • Insulation made up of high density mineral wool protected by a stainless steel (AISI 430) sheet and consequently limited heating dispersion
  • With economiser efficiency increase of 5%
  • Personalization possibility of the boiler and its components in accordance to specific customer request