Tjernlund Products PS1505 Prover Switch 326058-757 The Johnson Controls VA7830-HGC-2 is

The Johnson Controls VA7830-HGC-2 is a high-performance spring return globe valve actuator designed for the precise control of VG7000 Series valves in demanding HVACR environments

making it a critical component for commercial air handling units and rooftop unit freeze protection

Universal SPST switching logic for flexible configuration as either a high-limit safety or a circulator activator

making it ideal for rapid tank replenishment in HVACR and cooling tower applications

Standardized Frame: The NEMA 42Y frame ensures accurate mounting and alignment in existing brackets

Tjernlund Products PS1505 Prover Switch 326058-757 The Johnson Controls VA7830-HGC-2 isThe Tjernlund Products PS1505 Prover Switch is a critical safety interlock designed specifically for Tjernlund Auto Draft inducers. As a veteran grade fan proving safety switch, it monitors vacuum pressure within the fan housing to verify that the inducer is operating at peak performance before allowing the burner circuit to fire. This SPST air pressure switch features a non adjustable set point of 0. 05" 0. 02" W. C. (increasing vacuum), ensuring