Aprilaire 5529 Transformer 318973-401 Check your compressor's nameplate and

Check your compressor's nameplate and parts manual to ensure the voltage matches the 120V specification and the well dimensions accommodate a standard immersion heater core

rooftop systems

High-Temperature Durability: Manufactured to handle the extreme heat cycles of high-efficiency inducer motor housings without degrading

Is this breaker compatible with all Power-Fin models

Aprilaire 5529 Transformer 318973-401 Check your compressor's nameplate andThe 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.