While 40VA is standard

The Carrier HC37AE113 is a 1/5 HP blower motor designed for high-efficiency operation in residential furnace and fan coil applications

and CE standards

preventing the backdrafting and pressure switch errors common with generic "will-fit" alternatives

125-inch metal housings

Heat Controller 17122000049085 Control Board 321042-401 While 40VA is standardThe Heat Controller 17122000049085 Control Board is a critical OEM replacement component designed for precision management of residential HVAC cycles. As a specialized HVAC control board replacement, this unit regulates the synchronized operation of the compressor, blower fan, and system sensors to ensure mechanical efficiency and stable thermostatic response. Engineered for high durability residential HVAC applications, the board features an advanced