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  • Eight standard kits with capacities from 450 to 2500 litres, available with either single coil as pre-heat or twin coil cylinders
  • Bespoke systems available to order to suit any size commercial application. This allows for full integration of solar thermal into the most demanding scheme offering high performance and flexibility
  • All packages available with flat plate collectors, direct flow evacuated tubes or heat pipe evacuated tubes to suit any application and building style
  • All items contained in the package to complete the installation offers ease of installation for the contractor saving time and effort on site (excluding pipework and fittings)
  • Solar Keymark and MCS certification for all collector types allows end user access to government incentive schemes
  • Roof mountings available for all roof types and styles makes the range easily installable into any commercial application

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) 120ēC. Higher Temperatures will occur
Pressure: (dhw system) Standard 3.5bar
Temperature: (dhw system) Operating 60ēC Max 95ēC

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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