ROCKSOLAR 2.14HP Solar AC/DC Swimming Pool Pump What&';s included: Pump, pump controller, pump accessories Key specs: Motor: 2.14HP DC brushless | Max flow rate: 129.0 GPM Max Head: 68ft Inlet/outlet: 2.5" diameter Power input: DC 40-450V / AC 150-220V (hybrid) Solar compatibility: 5 x 440W panels (2,200W array) Built for: Fresh water pools - large residential, commercial, water features, high-demand solar pool circulation Not suitable for salt water pools. This pump is built for fresh water only - and that includes any pool run on a salt chlorine generator, which is salt water even at a fraction of sea strength. If your pool is salted, this is not the right pump for it. Ask us first and we will point you to something that suits. Key features: Auto AC/DC switching - runs on solar when available, falls back to grid automatically, returns to solar when sufficient Wide DC input range (40-450V) - accommodates flexible panel string configurations DC brushless motor - ultra-high efficiency, low maintenance, longer lifespan than brushed alternatives Dry-run auto protection - shuts off automatically if water supply is interrupted Larger 2.5" inlet/outlet - handles higher flow volumes than the 1.07HP and 1.34HP models Warranty: 5 years (pump)