Williams 9307 Thin-Wall Collar Kit for Direct-Vent Heaters

The Williams 9307 Thin-Wall Collar Kit is a specialized installation accessory designed for Williams Direct-Vent furnaces and heaters in applications where wall thickness is a concern. This collar kit provides a professional solution for installations in thin-wall applications, particularly in mobile homes, RVs, and structures with wall thicknesses between 2 and 5 inches.

Key Features:

• Designed for thin-wall installations between 2 and 5 inches thick
• Universal compatibility with all Williams Direct-Vent models
• Eliminates the need for wood strips or vent modifications to increase wall thickness
• Installs with vent kit on direct-vent models including 1403622, 1403621, 2203622, 2203621, 3003622, and 3003621
• Time-saving alternative to cutting or modifying venting systems
• Genuine Williams OEM part for proper fit and performance

This collar kit is ideal for professional HVAC installers and DIY homeowners who need a clean, code-compliant installation solution for Williams direct-vent heating systems in thin-wall applications. The kit provides proper venting clearance and structural support without the need for additional wall reinforcement or modification.