Spiralink - 1/2 "x 1/2 " Port Sizes: Inlet and return

Port Sizes: Inlet and return ports are 1/4-18 NPTF

SUPERTORQUE® box end puts force on fastener flats so you don't round the hex under heavy torque

making it an essential tool for HVAC professionals

Leave your customers feeling satisfied in knowing they won't be left in the cold this heating season

Spiralink - 1/2 "x 1/2 " Port Sizes: Inlet and returnProduct Detail Spiralink Circulator Coupling 10010, 1 2 "x 1 2 " For Bell & Gossett, Armstrong, and Taco circulators and In Line Pumps. The Spiralink is a permanent replacement for the failure prone OEM coupling. Replace the flimsy, 4 spring, OEM fly away' coupling with a SpiralinkTM today. Leave your customers feeling satisfied in knowing they won't be left in the cold this heating season! Spiralink's innovative, one piece design has no connecting