Intermatic FF46H Timer 322057-301 is the essential HVAC diagnostic

is the essential HVAC diagnostic interface for professional troubleshooting

allowing it to control large heating arrays and high-wattage industrial units

Direct OEM Compatibility: Specifically engineered for Carrier

High-Efficiency Integration: Optimized for modern gas-fired furnaces where precise combustion monitoring is required

High-Temperature Resistance: Maintains a 250°F thermal rating to shield electronics in extreme burner environments

Intermatic FF46H Timer 322057-301 is the essential HVAC diagnosticThe Intermatic FF46H is a heavy duty 6 hour DPST spring wound timer designed for demanding commercial and industrial environments. This mechanical countdown timer operates without the need for electricity, making it a reliable choice for energy efficient motor control and lighting management. Built with a double pole single throw configuration, it is capable of switching two separate 20A resistive loads simultaneously. The unit features teeter type