This assembly is functionally identical to the Resideo 393690-15/U

ensuring consistent flow rates and leak-proof performance

the COL12849 is designed to work with standard 24VAC 4-way valves used across the Trane and American Standard lineup

the control board cannot verify combustion blower operation

repeatable operation without the drift common in lower-grade alternatives

Utica-Dunkirk 240005480 Damper Harness This assembly is functionally identicalThe Utica Dunkirk 240005480 Damper Harness is a critical electrical link for 72 inch automatic vent damper systems across several high efficiency boiler lineups. Designed specifically for the Dunkirk WPSB Series II, Utica MAGB, and Utica MGB series, this OEM HVAC wiring harness ensures the vital communication link between your damper motor and the appliance's ignition control module. By facilitating precise timing during the heating cycle, it prevents