Bell & Gossett 118723 Circulator Pump Coupler

Circulator Pump Coupler; Item Coupler; Type Spring; Size 1/2 Inch x 1/2 Inch; Used On Item Circulator and Centrifugal Pump; Used On Model/Brand LD-3, HD-3, HLD-3, HHD-3; Used On Item Part No HS-300G-PL