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Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
provided the terminal box is correctly sealed during installation
Key Benefits Precise Fuel Regulation: Dual-stage firing improves energy efficiency and reduces short-cycling in high-demand residential boilers
Key Benefit List: OEM Precision: Genuine York 025-41535-000 ensures exact 585 PSI cutout and 400 PSI cut-in tolerances
20-Inch Diameter: Direct fit for Bard 5-ton wall-mount units to ensure proper cabinet clearance
Aprilaire 5529 Transformer R-448A provided the terminal box isThe 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.
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