#BB500GRDSBPA AquaCal Great Big Bopper Commercial 527 BTU Pool and Spa Heat Pump, 460 Volt, 3-Phase Free Shipping! A Real Commercial Sized Heat Pump That Heats And Cools Large Commercial Swimming Pools Up To a Half Million BTU's in One Single Unit Features: Titanium Heat Exchanger Patented counter-flow water management system Heats water faster and more efficiently Impervious to chemical corrosion Durability without sacrificing performance Lifetime warranty Microprocessor Controlled - with Digital Display Accurate and easy to read bright blue display On-board self diagnostics Microprocessor controlled defrost cycle ICEBREAKER Heat & Cool Extends swimming season longer than any other heat pump on the market Continues to heat in freezing temperatures to minimize heat loss Cool your pool to a refreshing temperature Set to heat, cool or autotemp Corrosion Resistant Cabinet Rust resistant, heavy gauge G90 Galvaneal steel with 7 step Powder Coat process Polymer condensate drain system Polymer coated fan and coil guards