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  • Glazed flat plate or excavated tube solar collectors to suit your application and building size
  • Integrated system controls for easy monitoring and management
  • Can help to significantly reduce your carbon dioxide emissions
  • Meets the requirements of the Renewable Heat Incentive (RHI)
  • Solar collectors offering high absorption efficiency
  • Compatible with many of our other products including the ECOflo water heater

Description SOLARflo
Manufacturer Andrews Water Heaters
Technical Detail:
Vessel Sizes 450, 550, 700, 900, 1250 (litres)
Max Flow Rate (solar circuit) 30 l/min
Max Pressure Drop: (solar circuit) See curve in pump station instructions
Pressure: (solar circuit) Max 6bar(g)
Temperature: (solar system) 120ºC. Higher Temperatures will occur
Pressure: (dhw system) Standard 3.5bar
Temperature: (dhw system) Operating 60ºC Max 95ºC

Controller 230V/1ph/50hz, 4Amps.

Pump station is powered and controlled by the controller. This does not include any immersion heaters.
Sensors PT1000
DHW Heating Vessels:

Combined (twin coil or coil and immersion heater).

Pre-heat (single coil)
Top Up Systems for Preheat Any Andrews Water Heaters gas fired condensing water heater
Primary Heating Valve control
Enable signal
Immersion heater options
Boiler system


Learn more about the SOLARflo by downloading product literature.

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Andrews Water Heaters

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