Aprilaire 5529 Transformer 318973-401 This genuine OEM Nordyne replacement

This genuine OEM Nordyne replacement part utilizes Copeland Comfort Alert technology to detect electrical and system malfunctions before they lead to catastrophic compressor failure

Utilizing genuine HVAC replacement parts is critical for maintaining the safety and operational integrity of modulating gas furnaces

This valve is typically factory-set

essential for systems experiencing low-voltage stalls or long line sets

Aprilaire 5529 Transformer 318973-401 This genuine OEM Nordyne replacementThe Aprilaire 5529 Transformer is a genuine OEM replacement component designed specifically for the Aprilaire Model 800 Steam Humidifier and Aprilaire 865 systems. This 40VA transformer is the essential power source for units featuring a fill valve inlet that extends from the bottom of the housing. By converting line voltage to a consistent 24V AC, it ensures that your whole home humidifier maintains peak electrical performance and system protection.