and various Armstrong/Ducane models

This specific pressure switch is rated for 0 to 1

consistent air movement to maintain balanced system pressure

tool-free installation or removal from VT and VS series valve bodies

Trane ACT0403 Actuator 340793-762 and various Armstrong/Ducane modelsThe Trane ACT0403 Actuator is a professional grade 24V spring return actuator engineered for precise control of dampers and valves in commercial and industrial HVACR systems. This normally open (N O) actuator is designed for high reliability applications where a fail safe position is required during power loss. Built with a rugged zinc plated steel housing, the ACT0403 withstands harsh mechanical environments, maintaining operational integrity at