including force switch-off at the stem down position to prevent mechanical overload and gap detection at the stem up position for consistent performance

What is the difference between the AF09 and the older A9 series

The switch opens when head pressure drops to 300 PSIG (stopping the fan) and will automatically close once the pressure rises back to 400 PSIG (restarting the fan)

Delivering 140 lb-in torque

This OEM Reznor part is engineered to withstand the thermal demands of commercial HVACR applications

ASCO SC8238T405-24VDC Valve 320735-701 including force switch-off at theThe ASCO SC8238T405 24VDC is a high performance 2 way normally closed solenoid valve designed for precision fluid control in demanding industrial and HVACR environments. As a premiere 1 2 inch NPT solenoid valve, this direct acting component provides immediate response times without requiring a minimum operating pressure. Engineered by ASCO Power Technologies, it features a robust brass body and FKM elastomers, making it an ideal 24VDC solenoid valve