The Bell & Gossett 117415LF Lead Free Circuit Setter is a high-quality pump accessory designed for use with 3/4" NPT connections. With a focus on lead-free materials, this circuit setter is an essential component for setting up and maintaining hydraulic, pneumatic, and plumbing systems in a variety of industrial settings. Made by the reputable brand Bell & Gossett, this circuit setter ensures reliable performance and durability for your pump installation needs.