These rugged, positive displacement, economy pumps are UL/cUL listed and deliver flow rates up to 20 GPM (76 LPM).Explosion-proof UL/cUL listed 1/3 HP motor (115 VAC-60Hz) with sealed bearings, heavy-duty switch, thermal overload protection and junction box. Carbon vanes and ceramic/carbon seal reduce wear and repair expense. Integral check valve with pressure relief on outlet side reduces pressure drop and improves vertical lift. Easy removable strainer. Automatic bypass valve. 2" threaded base for tank openings. No foot valve required. UL/cUL listed. Rain proof