Aprilaire 5529 Transformer R-448A Key Benefit List: OEM Precision:

Key Benefit List: OEM Precision: Genuine York 025-41535-000 ensures exact 585 PSI cutout and 400 PSI cut-in tolerances

Industrial Build Quality: Features sleeve bearings and a robust enclosure designed for continuous duty in demanding HVAC environments

provided the terminal box is correctly sealed during installation

Is this compatible with Armstrong or Ducane units

Key Benefits Precise Fuel Regulation: Dual-stage firing improves energy efficiency and reduces short-cycling in high-demand residential boilers

Aprilaire 5529 Transformer R-448A Key Benefit List: OEM Precision:The 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.