This electric pool heater, a high-power 11KW device requiring hard - wiring by a licensed electrician (220V), isn't for salt water. It suits pools up to 1,200 gallons with a 15 GPM flow rate. Its smart touchscreen allows precise control of heating time and temperature (60 - 130℉). With advanced 316 stainless - steel heating tubes, it's efficient and durable. Moreover, it has advanced safety features like fuse safety and anti - dry burn, offering worry - free pool heating. INSTALLATION REQUIRED:Circulation pump (≥1 Hoursepower), 1.5" NPT SCH40 pipes & fittings, 60A breaker, water filter (optional), Wire: 6AWG.