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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


Key Features:

  • 7.3kW - 24.7kW outputs
  • Lower emissions
  • Standard 2 year gaurantee
  • SEDBUK A rating
  • High savings on gas bills
  • Ultra quiet operation
  • Self diagnostic
  • Easy access to components

Available downloads:
Optimax Brochure
Optimax 25 OV Manual
Optimax 25 OV
25kW band A regular boiler
SEDBUK 'A' Rated Seasonal Efficiency

Part Number:
Natural Gas Model / LPG Model
 0M3Q41GA / 0M3Q4KGA
Output  
Useful heat output 80°C - 60°C kW7.3 min - 24.7 max
Maximum DHW production Δt 35 °C l/min
Dimensions  
Heightmm582
Widthmm400
Depthmm306
Clearances  
Abovemm300
Belowmm200
Sidesmm25
Front (For serviceing purposes) mm600
Flues  
Max horizontal flue length 60/100mm øm5
Max vertical flue length 60/100mm øm6
Max vertical flue length 80/125mm øm15
Max vertical flue length 80/125mm øm16
Total equivalent length for two pipe 80mm øm75