Hydro-Quip 48" Circulation Pump Cord [Molded] [Blue] (30-0210-48-K) air switch and replacing the cable is

and replacing the cable is the most direct fix

Replacing it can help restore a cleaner plumbing connection and improve confidence in the equipment fit

2-1/4 inch face-diameter directional crown-style design

This replacement is especially useful when the original nut is cracked

Hydro-Quip 48" Circulation Pump Cord [Molded] [Blue] (30-0210-48-K) air switch and replacing the cable isThe Hydro Quip 48 inch circulation pump cord is designed for compatible circulation pump applications where a molded blue connection cord is needed. A pump cord is useful because it creates the proper electrical link between the circulation pump and the supported system while helping preserve a cleaner service installation. This replacement is especially useful when the original cord has been damaged, worn, or is no longer dependable. Matching the