This Jabsco pressure-controlled pump with an IP (Ingress Protection) rated cover and quick-fit ports is easily installed or removed for cleaning. With an on-demand pressure switch, this low-flow pump is suitable for handling a broad range of marine applications. Robust construction includes polypropylene housing, rubber check valve, and stainless steel check valve spring. Double-diaphragm design self-primes to almost 6' in vertical lift. Pump can run dry without damage. Pressure switch cuts on at 22 PSI and cuts off at 35 PSI. Fits 3/8" or 1/2" bore hose connections. Fuse size: 4 amps. Flow rate up to 1 GPM. 6.5"L x 3.5"W x 2.7"H.