Autopilot Chlorine Generator Replacement Cell Only 13 Blade P/N: RC-52 With microprocessor controls, digital read-out of pool water temperature, current salt level, purifier production level, soft reverse cell cleaning cycle and boost cycle, the Pool Pilot Digital is a technologically advanced unit. The easy-to-read digital readout on this in-line unit even tells you how much salt to add should it run low. The Pool Pilot Digital has a patented temperature compensation feature that actually adjusts chlorine production according to the demands of the water temperature and operates in water temperatures up to 104F. It can purify pools up to 51,800 gallons and has a built-in time clock to control your pool pump...all at the touch of a button. Features More purifier output than any other unit - up to 2lbs./day Utilizes patented bypass manifold for optimum chlorine production Patented temperature compensation Operates at any water temperature up to 104 Operates at all salt levels: 2,000-35,000 ppm Lifetime trade-in value on cell Soft reverse cell cleaning Benefits Never buy chlorine again Soft, Silky feeling water No more red eyes No more itchy skin No more green hair No more vacation worries No more faded swimwear Energy efficient Environmentally friendly Automatic cell cleaning