the White-Rodgers 767A-377 is CSA certified for use with both Liquid Propane (LP) and Natural Gas heating systems

ensuring reliable mechanical tension

including TP971

boiler systems

TB Woods 3JN Insert the White-Rodgers 767A-377 is CSAThe TB Woods 3JN Insert is a precision engineered neoprene coupling sleeve designed for high performance Sure Flex Plus series assemblies. This size 3 coupling sleeve features a single piece solid design, ensuring maximum torsional rigidity and consistent power transmission in critical HVACR drive systems. Constructed from high grade neoprene, the 3JN provides superior resistance to oil and chemical exposure compared to standard EPDM alternatives,