Lennox 21W89 Transformer/Relay Refrigerant The unit is designed for

The unit is designed for durability in high-demand HVACR environments

ensuring seamless integration with existing 24V control logic

position the bulb at either the 10 o’clock or 2 o’clock position on a horizontal run and wrap it completely with the provided insulation to prevent ambient temperature interference

Optimized HVAC Performance: The 1000 RPM 1/12 HP rating is specifically calibrated for condenser coils to maintain optimal subcooling levels

Lennox 21W89 Transformer/Relay Refrigerant The unit is designed forFor veteran technicians looking to maintain system integrity, the Lennox 21W89 Transformer Relay is a critical OEM component engineered for precision HVAC voltage regulation. This heavy duty transformer relay assembly is designed to step down 120V line voltage to a consistent 24VAC output at 40VA, 50 60Hz, ensuring stable low voltage control circuit operation even in demanding environments. By integrating a high performance electromechanical relay,