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ETI® 400 High Efficiency Gas Heater

More Staying Power. More Saving Power.

The ETi 400 High Efficiency Heater features the TitanTough™ Direct-Fire Pure Titanium Heat Exchanger, the longest-lasting heat exchanger ever built. And it delivers 96% thermal efficiency, the highest of any pool heater.

The ETi 400 heater provides excellent flexibility for installation, with fully sealed Category IV direct air venting that does not require large room openings for combustion air.

  • 400,000 BTU heater
  • 96% thermal efficient heater (highest in its class)
  • Corrosion resistance with Titan-Tough™ Titanium Heat Exchanger
  • High efficiency equals large energy savings over standard heaters
  • Ultra quiet operation