Johnson Controls D-3246-1 Damper Actuator R-410A High-limit safeties are typically normally

High-limit safeties are typically normally closed (L-rating) and should not be replaced with an F-rated fan switch

What furnace models are compatible with the 4022703S assembly

Does this unit include the immersion well

cracked vacuum tubing

Johnson Controls D-3246-1 Damper Actuator R-410A High-limit safeties are typically normallyThe Johnson Controls D 3246 1 Damper Actuator is a high performance pneumatic piston actuator designed for the precise positioning of large dampers and VF series butterfly valves in commercial HVACR systems. Built for durability, this unit features a die cast aluminum body and a 23. 4 sq. in. synthetic elastomer diaphragm, providing the high force output required for demanding air handling applications. The D 3246 1 is swivel mounted and includes a