The Sequence 4000 is an expansive design that will meet today's increased market demand for performance on all levels. Every Sequence 4000 model is supplied with 2" unions for quick disconnect as well as NFPT connections so you can choose the best connection for your application. Motors run at low speed providing a pump capable of higher flow rates at moderate heads with little motor noise. Pumps come standard with an 8-foot 115V cord set (230V Available on request). All pumps are salt water rated.