Marine Air Conditioning Self-Priming Circulation Pump - 115VAC, 4.5GPM, 50PSI Bypass, Run-Dry Capable EDM ValvesShurflo will keep your air conditioning running. Air locking often occurs when you lower your boat into the water. Pentair Shurflo Self-priming Circulation Pumps help prevent air locking and keep your air conditioning system up and running. Compatible with all types of boats that are trailerable or not constantly in the water.Specifications: 4.5 GPM 115V Self-priming 50 psi bypass EPDM valves Benefits: Designed with automatic demand Operates quietly Includes thermal protection Can run dry without damage Mounts in any position Recommended Accessories for 5/8" Hose: One inlet strainer 255-215 Two 5/8" hose barb swivel elbows 244-3936 One 5/8" straight 244-2936 Specifications: Volts: 115v Gallons Per Minute: 4.5 GPM Sea Water Flow Rate: 4.5 GPM Voltage - Input Range (Volts): 115v Box Dimensions: 6"H x 6"W x 12"L WT: 7.6 lbs UPC: 752324329823 Brochure (pdf)