Sta-Rite Max-E-Therm 400,000 BTU Low NOx Natural Gas Pool Heater, SR400HD

Mfg #:
SR400HD |
STA-15-508 |
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Pentair Max-E-Therm(R) SR400HD Digital Heavy-Duty High Performance Pool and Spa Heater; 400000 BTU, Natural Gas, Cupro-Nickel Tubing


  • 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


Brand Pentair
BTUH Input 400000
Cabinet Depth 31.69 Inch
Cabinet Height 30.03 Inch
Cabinet Width 25.15 Inch
Control Type Digital
Flow Rate 120 gpm
Frequency Rating 60 Hz
Gas Type Natural Gas
Item Pool and Spa Heater
Phase 1-Phase
Standards Approvals CSA Certified, Eco-Select
Sub Brand Max-E-Therm®
Tubing Material Cupro-Nickel
Type High Performance, Heavy-Duty
Voltage Rating 120/240 VAC
Water Connection 2 Inch
Trust Guard Security Scanned