Enhanced System Efficiency: Improves heat transfer efficiency by ensuring the evaporator coil is properly utilized throughout the cooling cycle

The FS4-3J flow switch is designed to withstand liquid temperatures up to 300°F (149°C)

ensuring consistent performance without manual intervention after a high-limit event

20 inch water column set point prevents unsafe combustion conditions by accurately detecting airflow drops

Durability: Constructed from high-grade materials to withstand the localized heat environment of a top vent wall furnace

Cleveland Controls AFS-460-112 Sensing Switch 321042-401 Enhanced System Efficiency: Improves heatThe Cleveland Controls AFS 460 112 Sensing Switch is a high performance, general purpose differential air pressure switch designed for critical HVAC and Energy Management applications. Built for technicians who need a reliable proving switch for positive, negative, or differential air pressure, this unit features a manual reset mechanism. This ensures that the system requires operator intervention once the switch actuates, providing an essential