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Benchmarks for Space Heating and Snowmelt

Benchmarks for Space Heating and Snowmelt

The Benchmark’s Dual Return feature is used to provide space heating and snowmelt. This arrangement can improve boiler efficiencies up to an additional 7%.


  1. Heat Exchanger (Supplied by Others)
  2. Snowmelt/Pool Heat
  3. Return/Supply
  4. High Temp. System Return
  5. Low Temp. System Return
  6. Snowmelt/Pool Heat System Pump
  7. Benchmark Boilers
  8. Isolation Valves
  9. Header Sensor
  10. Air Separator
  11. Diaphragm Type Expansion Tank
  12. System Supply