Designed to provide a reliable 24V secondary output from a 208/240V primary input

ensuring zero-modification fit-up in Lennox economizers

preventing the formation of corrosive sludge

the 1190303 is the current factory-authorized replacement for the discontinued 1184562

FAN) for rapid industry-standard wiring and replacement

Crown Engineering H24-36 Spiralink Coupler 320788-702 Designed to provide a reliableThe Crown Engineering H24 36 Spiralink Coupler is a heavy duty, single spring replacement solution engineered for HVACR circulator pumps. Designed to replace the traditional failure prone OEM multi spring "fly away" couplings, this 5 8" x 5 8" CCW coupler features a robust one piece construction that significantly reduces friction and mechanical noise. The counter clockwise (CCW) rotation and dual 5 8 inch bore diameters ensure precise alignment