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

This lightweight yet robust replacement Y connector allows for faster installations in tight plenum spaces while guaranteeing compatibility with original equipment specifications for long-term operational reliability

Extended Reach: Optimized for industrial duct smoke detection in systems spanning 48 to 96 inches

maintaining precise temperature limit switch calibration over the life of the heating equipment

Common Questions: Are these compatible with the Reznor UDAP and UDAS series

Rheem-Ruud AS-61984-15 Burner Assembly The Williams P320911A Two SpeedThe Rheem Ruud AS 61984 15 Burner Assembly is a critical combustion component engineered for high efficiency gas furnaces. As a 5 tube burner assembly, this OEM replacement is designed to deliver a precise gas to air mixture, ensuring stable flame patterns and optimal heat transfer across the heat exchanger. This specific model serves as the factory authorized direct replacement for AS 61984 05, addressing common ignition failures and uneven heating