Pentair Mastertemp Heater 400K BTU ASME Cupro Nickel Natural Gas - 461021

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Pickup available at The Pool Supply Warehouse

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Pentair MasterTemp® 461021 Digital Heavy-Duty ASME High Performance Low NOx Pool and Spa Heater; 400000 BTU, Cupro-Nickel Tubing, Natural Gas

  • Heats up fast so no long waits before enjoying your pool or spa
  • Best in class energy efficiency
  • Manual gas shut-off when service is required
  • Eco-friendly MasterTemp® is certified for low NOx emission and outperforms industry standards
  • Rotating digital display allows for easy viewing
  • Tough, rustproof exterior handles the heat and weathers the elements
  • 2-year limited warranty
BTUH Input400000
Cabinet Depth32.61 Inch
Cabinet Height28.15 Inch
Cabinet Width23.02 Inch
Control TypeDigital
Flow Rate120 gpm
Frequency Rating60 Hz
Gas Connection3/4 Inch
Gas TypeNatural Gas
ItemLow NOx Pool and Spa Heater
Model Number400
Standards ApprovalsCSA-Flame Certified, CSA-Star Certified, Eco-Select, ASME Certified
Sub BrandMasterTemp®
Tubing MaterialCupro-Nickel
TypeHigh Performance, Heavy-Duty
Voltage Rating120/240 VAC
Water Connection2 Inch
WARNING: The following product(s) can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

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