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

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

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

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

providing a powerful 7:1 mechanical advantage

3" TFT display with superheat and subcooling indication

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