The Jabsco 436981 NEMP magnetic drive (mag-drive) centrifugal pump delivers reliable, leak-free continuous-duty performance for marine and industrial circulation needs. Designed with a chemically resistant, non-metallic pump head and 3/4" NPT ports for easy hookup, this model provides approximately 21 GPM (open flow) with a closed valve head of 18 feet and operates on 110V AC (60Hz) with an ignition- and thermally-protected fan-cooled motor. Typical applications include marine air conditioning circulation, ice makers, hot water circulation, livewell and bait tank installations. Compact footprint and lightweight construction (item weight ~6.83 lbs) make it suitable for tight installations. UL listed for safety. Model 436981 (NEMP 80/6) features a robust magnetic coupling to ensure safe, leak-free operation in corrosive or otherwise demanding environments.