Aprilaire 4977 Relay 320734-701 and general ventilation dampers requiring

and general ventilation dampers requiring a 3-inch stroke

This assembly is built with a lead-free copper silicon alloy body to meet strict potable water standards while providing superior corrosion resistance

You should cross-reference your unit's data plate with the ICP 1190408 or White Rodgers 36J52-580 specifications before installation

Variable Speed Efficiency: Maintains constant torque to improve humidity control and reduce energy consumption

Where is the Carrier HH79NZ101 typically located

Aprilaire 4977 Relay 320734-701 and general ventilation dampers requiringThe Aprilaire 4977 Relay is a high performance 24v Coil DPDT Relay designed for seamless integration within advanced HVACR systems. This versatile double pole double throw relay serves as a critical HVAC control component, allowing for the simultaneous management of two independent circuits. Engineered for Aprilaire humidifiers and air cleaners, this 24 volt switching relay ensures precise electrical isolation and reliable secondary hardware