Dehumidifier Supply & Return Duct Kit for Quest 335 R454B Models (SKU 4042685)

The Dehumidifier Supply & Return Duct Kit for Quest 335 R454B Models (SKU 4042685) is a dehumidifier duct kit from Quest designed for ducts quest 335/375 supply and return airflow for remote installation and whole-space humidity control.

This product is built for quest 335 (pn 4042500), quest 335 277v (pn 4042600), and quest 375 50hz (4046200-nc). It helps improve installation flexibility, system control, or airflow performance depending on the application.

Use this accessory where a manufacturer-matched component is required to maintain proper operation and a clean, serviceable installation.

Product Features:

• Part Number 4042685: Factory Quest duct kit for Quest 335 and 375 configurations.
• 16-Inch Duct Kit: Dealer listing describes it as a 16-inch duct kit for Quest 335 applications.
• Supply and Return Connections: Provides ducting access for both intake and discharge airflow paths.
• Quest 335 Manual Referenced: The Quest 335 manual includes a section for the supply and return duct kit P/N 4042685.
• Remote Installation Ready: Supports locating the dehumidifier in a mechanical or concealed area.
• Dedicated Ducting Recommended: Dealer guidance notes dedicated ducting helps maintain optimal performance.
• R454B Model Application: Listed for Quest 335 R454B accessory use.

Warranty

This product includes manufacturer warranty coverage. Warranty terms may vary by model, seller, and installation conditions, so review the manufacturer documentation for complete coverage details.