Selkirk 4" Diameter Adjustable Wall Thimble and Firestop for Round Type B Gas Vent, Aluminum Double Wall Accessory Design, 187704
Product Description
Selkirk 4" Diameter Adjustable Wall Thimble and Firestop for Round Type B Gas Vent, Aluminum Double Wall Accessory Design, 187704
- Versatile Double-Wall Venting: Wall thimble is ideal for residential, industrial, and light commercial applications. Serves as a firestop for added versatility.
- Ensures Proper Air Space: Provides the required 1-inch air space to combustibles when installed according to manufacturer specifications
- Efficiency Meets Durability: Aluminum liner heats quickly, and the galvanized exterior protects against outdoor elements
- Quick & Easy Installation: Adjusts from 4 - 1/8" to 7" to fit the thickness of your wall
- Trusted Heritage & Safety First: For nearly a century, Selkirk has led HVAC innovation with durable, efficient, UL-tested products engineered to exceed safety standards.
Technical Specifications
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