The Williams P320911A Two Speed Hi-Lo Switch is a critical replacement component engineered specifically for Williams Comfort Products HVAC equipment

High-volume damper shaft sizes including 1/2"

40VA Power Capacity: Provides ample wattage for multi-stage systems and accessorized HVAC configurations

maintaining the integrity of the OEM Lennox part specifications while providing a robust solution for inductive load switching

this 4 oz treatment ensures the lubricant maintains its dielectric properties and chemical stability

Trane TRR1104 Transformer 321042-401 The Williams P320911A Two SpeedWhen high side component failures or internal shorts compromise your low voltage control circuit, the Trane TRR1104 Transformer provides a heavy duty, field ready replacement for furnace and air handler systems. This genuine OEM Trane replacement part (also referenced as TRR01104) is engineered for step down applications, converting 200 230V primary input voltage to a stable 24V secondary output. Rated at 75VA (Volt Amps), this transformer offers a