RIDGID 47323 12V Backup Pump. The RIDGID 47323 12V Backup Pump features heavy-duty additions that include a 4550 GPH at 0 ft. lift or 4020GPH at 10 ft. lift. The RIDGID 47323 12V Backup Pump also comes with a 360 degree stainless steel float guard, for superior switch protection from debris, a rugged Carbon/ceramic shaft, oil-filled and thermally protected 1/2 HP motor, and lubricated ball bearings for lasting trouble free service. This Pump is fully covered under RIDGID's 3 year warranty, giving you the peace of mind that comes with the quality of all RIDGID products. For the most convenient and easiest online ordering of RIDGID parts, look no further. Plumbersstock.com has an extensive list of over 600 RIDIGD Products and Replacement Parts.