the Lennox 21620 Blower Wheel is the direct OEM solution for maintaining static pressure and system efficiency

ensuring a steady supply to boilers

this unit ensures optimal thermal dissipation and longitudinal durability in demanding HVAC environments

Exact OEM Fit: Eliminates the guesswork associated with universal components

this valve allows for versatile bulb placement to accurately monitor evaporator outlet temperatures

Lennox 97W31 Relay Sequencer 322027-701 the Lennox 21620 Blower WheelThe Lennox 97W31 Relay Sequencer is a critical OEM component designed to manage the staggered activation of heating elements and blower motors in residential and commercial air handlers. This 2 pole relay sequencer features a high performance Nova Coil 76701134 design, ensuring precise timing for multi stage electric furnaces. As a direct replacement part, it handles contact ratings of 5A at 277VAC and 10A at 125 250VAC, providing the necessary