The NEW Taco NOS 110-502 1-1/4" NPT Set of Flanges is designed for all residential circulators, featuring a mounting style of flange. Made by Taco, this set of flanges includes components with heights of 4 inches, lengths of 4 inches, and widths of 2.75 inches. The product provides a secure and stable installation for electrical equipment and supplies, specifically in the category of switches and switch accessories. This set of flanges ensures a reliable connection for Taco residential circulators.