Carvin J-Series 1.5 HP Uprated Impeller (05-3864-04-R) drains and this Potter and Brumfield

and this Potter and Brumfield T9AP version is an SPDT relay rated at 20 amps and 24VDC using the T9AS5D22-24 reference

2 inch FPT by 2 inch MPT configuration

A correctly matched pump motor is useful because it restores the drive power of the system while helping preserve alignment and compatibility with the connected pump assembly

Supports flexible plumbing design

Carvin J-Series 1.5 HP Uprated Impeller (05-3864-04-R) drains and this Potter and BrumfieldThe Carvin J Series uprated impeller is designed for compatible 1. 5 horsepower pump applications where stronger internal hydraulic support is needed. An impeller is useful because it is the component that drives water movement inside the pump, directly influencing how effectively the system circulates. This uprated replacement is especially useful when the original impeller has become worn, cracked, damaged, or no longer producing the flow expected