Honeywell MS8104F1010 Actuator 30067439-890 This HVAC high limit switch

This HVAC high limit switch is designed for high-cycle reliability in demanding environments

ensuring maximum coil efficiency in complex high-PSI systems up to 500 psig

This 6-inch draft regulator maintains constant draft by compensating for changes in atmospheric pressure and stack temperature

always match the tonnage to your equipment specifications

Honeywell MS8104F1010 Actuator 30067439-890 This HVAC high limit switchThe Honeywell MS8104F1010 Actuator is a fast acting two position actuator engineered specifically for critical fire and smoke damper applications. As a direct coupled actuator (DCA), it provides a reliable spring return safety mechanism, ensuring dampers transition to a fail safe position during power loss or thermal events. Operating on 24Vac, this unit delivers a consistent 30 lb in torque and is UL555S rated to withstand temperatures up to 350F.