Max-E-Therm High Performance 400K BTU Natural Gas Pool and Spa Heater - SR400NA


Available for:
Pickup Only

Pentair Max-E-Therm(R) SR400NA Digital High Performance Pool and Spa Heater; 400000 BTU, Natural Gas

  • Lightweight - lightest heater in its class
  • Best in class energy efficiency
  • Compact design - ideal for retro-fit installations
  • Easy to switch - change gas sources with installation of separate orifice
  • Environmentally friendly - all units are low NOx
  • Rustproof housing - sleek, matte black enclosure is made of Dura-Glas® - an exclusive Sta-Rite® material that handles the heat and weathers the elements
  • Lower operating costs - 84% efficiency rating - rated first in its class for highest energy efficiency
  • Custom or retrofit - direct-connects to Sta-Rite® System:3® Mod Media filter or easily fits other systems
  • Certified for outdoor and indoor installations
BTUH Input400000
Cabinet Depth31.69 Inch
Cabinet Height30.03 Inch
Cabinet Width25.15 Inch
Control TypeDigital
Flow Rate120 gpm
Frequency Rating60 Hz
Gas TypeNatural Gas
ItemPool and Spa Heater
Standards ApprovalsCSA Certified, Eco-Select
Sub BrandMax-E-Therm®
TypeHigh Performance
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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