Pentair ETI400 High Efficiency Heater 461113 ASME Natural Gas

THE HIGHEST EFFICIENCY EVER. THE LONGEST-LASTING HEAT EXCHANGER EVER BUILT.The ETi 400 ASME Natural Gas 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.## FEATURES- Incredible 96% thermal efficiency gets more heat into pool water faster- TitanTough Direct-Fire Titanium Heat Exchanger stands up to the harshest water conditions- Rotatable front door and control keypad allow easy right-or left-hand plumbing- Ultra quiet operationMost efficient heater on the marketModel: 461113