The Red Lion RJS-75SS/RL15HS 3/4 HP pump with 15 Gallon tank is ideal for the supply of fresh water to rural homes, farms and cabins where compact system size and ease of installation are most important. This unit comes pre-assembled and work with 115-Volt or 230 Volt power supply (must be hard wired). This unit comes preset for 230 Volt operation, but can be easily switched to 115 Volt operation - see owner's manual. The stainless steel pump casing and tank is ideal for aggressive water conditions. A pressure gauge and factory pre-set 30/50 pressure switch is included. This pump comes with 1-inch Female NPT threaded intake and discharge. The Pressure Gauge Port is 1/8-inch NPT threaded.