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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
Please note all calls are charged at 8 pence per minute from a BT Landline, calls from a mobile may be considerably more

Prex ASL
PREX ASL is a superheated water boiler, mono-bloc in steel, with three flue passes, two in furnace, wet end plate, and used for the combustion of liquidand gaseous fuels in pressurized furnace

Prex ASL Manual
  • Heat output from 136 to 3.488 Kw
  • Standard design pressure 5 bar
  • Max Design temperature 145 °C
  • Design, certification and checking in accordance to PED 97/23/EC standard
  • Aggregate certification of boiler and accessories
  • End plate completely wet
  • Large furnace with low specific heating load and low Nox polluting emission
  • Active exchange surfaces to guarantee a high efficiency (>90%)
  • 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%
  • Easy cleaning and completely accessibility thanks to particular design solutions
  • Personalization possibility of the boiler and its components in accordance to specific customer request