The Grundfos UPS43-100F Circulator Pump is a high-quality pump designed for use in a variety of hydraulic systems. Made with durable cast iron housing, this pump features a 1 1/2 inch inlet/outlet diameter and a rated power of 1/3 hp, making it suitable for various industrial and commercial applications. With a supply voltage of 115V and a frequency of 60Hz, the UPS43-100F is reliable and efficient for keeping your system running smoothly.