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MAXIFLO Multifuel

MAXIFLO Multifuel

The Stainless Steel Thermal Storage unit providing mains pressure hot water & space heating assist from renewable energy sources to an open vented heating circuit.

The MAXIFLO Multifuel stainless steel thermal storage unit will allow multiple renewable energy sources such as solar thermal & solid fuel burning appliances to be connected. Open vented connections enable a boiler to be connected, or through a primary coil a sealed system boiler may also be connected.

Fresh legionella free hot water is delivered at up to 35 litres per minute through a highly efficient plate heat exchanger which is controlled through an intelligent electronic temperature management system.

 

Features & Benefits of the MAXIFLO Multifuel
  • Manufactured in the UK
  • Market leading low standing heat loss
  • Inputs from uncontrolled heat sources
  • Mains pressure hot water
  • No legionella risk
  • Anti-scald protection through intelligent control
  • No requirement for discharge pipe work under G3
  • Multiple renewable energy input options
  • Oversized solar thermal coil for maximum heat transfer
  • Dedicated solar volume allows collector field suitability
  • Smart attractive white cased unit
  1. Open Vent - 22mm
  2. Solid fuel overheat stat
  3. Domestic hot water store sensor
  4. Plate heat exchanger flow - 22mm
  5. Solar stat
  6. Solid fuel flow - 28mm comp
  7. Immersion heater
  8. OV boiler flow - 28mm comp
  9. Sensor pocket
  10. Central heating low - 22mm comp
  11. Primary coil flow - 22mm comp (400 model - 28mm comp)
  12. Store control stat
  13. Primary coil return - 22mm comp (400 model - 28mm)
  14. Central heating return - 22mm comp
  15. OV boiler return - 28mm
  16. Sensor pocket
  17. Solid fuel return - 28mm comp
  18. Plate heat exchanger return - 22mm
  19. Solar coil flow - 22mm comp (400 model - 28mm comp)
  20. Cold feed - 15mm
  21. Solar stat
  22. Solar coil return - 22mm comp (400 model - 28mm comp)
  23. Drain
Component kit supplied attached
  • Thermostat
  • Immersion heater
Optional extra components
  • Header tank
  • Ball valve
  • Float
  • Overheat thermostat

 

Technical Specification
Description   STTS-250 STTS-350 STTS-400
Height mm 1745 1990 2030
Diameter mm 550 550 630
Weight (empty) kg 40 46 59
Weight (full) kg 290 346 459
Capacity litres 250 300 400
Standing losses kWhr/24hr 2.14 2.36 2.85
Surface area of solar coil
1.31
1.31
1.42
Dedicated solar volume
litres
125
125
176
Flow rate @75 degree store temp L/min 35 35 35
Store max temp °C 85 85 85
Cylinder warranty   10 Years 10 Years 10 Years
Cylnder components & electronics   2 Years 2 Years 2 Years
 
Recommended SOLFEX energy systems Collector Field
Description   STTS-250 STTS-350 STTS-400
Flat plate solar thermal collector   2 x FK250 2 x FK500 3 x FK500
Vaccum tubes solar thermal collector   3 x CPC 6 4 x CPC 6 5 x CPC 6

MAXIFLO Multifuel

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