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  • Caleffi Single Solar Pump Station with Return and Flow - 278751A

    - SIngle Line - With 3 Speed Pump

    Product ID • 256050A00000

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The Caleffi Solar Pump Station 278751A comes with a 3 Speed Pump. Used for transferring heat from the collector to the storage tank. It contains important fittings and safety devices for the operation of the solar thermal system. Solar pump stations are pre-assembled and leak tested. 

Caleffi Solar pump station 278751A does not include top or bottom fittings and must be purchased seperately.





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Manuals & Docs

Technical Specs

Caleffi Solar pump station 278751A Techs and Specs

  • Balance/flow meter
    1/2 to 5 gpm scale
  • Connection
    3/4 Inch Female
  • Pump
    3 Speed
  • Safety relief valve
    90 psi
  • Max working pressure
    150 psi
  • Max working temp
    360 Degrees F
  • Caleffi Solar Pump Station Connections
    3/4 Inches female thread
  • Agency approval

Caleffi Solar pump station 278751A Features

  • Safety relief valve
  • Ball valves with built-in flow checks in return and flow to prevent gravity and thermo circulation
  • Temperature gauges in return and flow
  • Expansion tank connection
  • Connections for flushing and filling
  • Unit for flushing, filling and emptying the system
  • Flow meter for displaying and setting the flow rate
  • Thermometer in flow and return for displaying both temperatures
  • Pressure gauge for displaying the system pressure
  • Safety relief valve to prevent overpressure
  • Foam insulation

Info & Links

Solar Heating and Solar Domestic Hot Water with Flat Panels Example

Solar Heating / Solar Domestic Water with Evacuated Tubes and Boiler Example

Solar Domestic Hot Water, Solar Heating and Solar Pool Heating with Flat Panels

Solar Domestic Water with a Water Heater as a Backup Heat Source Example

Solar Panels for Domestic Water and Space Heating with a Boiler as the Backup Heat Source Example

Solar Panels for Domestic Water and Space Heating Pre-Heating into a Gas Combination Boiler Example

Solar Space Heating with a Backup Gas/Electric Boiler Installation Diagram

Hot Water Output examples for 3 locations

Solar Hot Water System Install - Waitsfield Vermont

Solar Hot Water System Install - Maine

Solar Hot Water System Install - Upstate New York

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