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

this distributor ensures uniform mass flow across all eight circuits

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