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187703 RV Gas Vent Wall Thimble, Type B, 3-In.

SKU #4094405 Model #187703 UPC #053713130373
Selkirk 187703 RV Gas Vent Wall Thimble, Type B, 3-In.

Selkirk

Regular Price
$ 22.99 EA
Bantly Hardware Johnstown, PA
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Description

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A gas vent wall thimble is an essential component for safely venting gas-fired appliances through exterior walls. This Selkirk Type B gas vent wall thimble creates a code-compliant transition point where your venting pipe passes through the wall, providing required clearance to combustible materials and acting as a firestop. It is used for furnaces, water heaters, stoves, and other gas-fired appliances that require proper venting.

The double-wall construction with built-in air space maintains permanent insulation, keeping the inner pipe hot while the outer surface remains relatively cool. This design ensures the wall thimble provides the required 1-inch air space to combustibles when installed according to manufacturer specifications.

Features and Benefits

  • Adjustable Width: Expands from 4-1/8 inches to 7 inches to accommodate various wall thicknesses, making it suitable for custom installations without requiring multiple sizes.
  • Double-Wall Construction: Built-in air space provides permanent insulation and maintains safe clearances to combustibles as required by code.
  • LockTab Connection: Offers an alternative fastening method to ensure a code-compliant connection when local regulations require it.
  • Type B Gas Vent Rated: Tested and listed per UL-441 for Type B and B-W gas vents in single and multi-story buildings.
  • Durable Construction: Outer shell is 28-gauge galvanized steel; inner liner is aluminum.
  • Safety Certified: Meets Underwriters Laboratories UL 441 and National Fire Protection Agency NFPA 54 and NFPA 211 standards.

Specifications

  • Brand: Selkirk RV
  • Model: 187703
  • Size: 3 inches
  • Type: Type B gas vent
  • Adjustable Range: 4-1/8 to 7 inches wall thickness
  • Outer Material: 28-gauge galvanized steel
  • Inner Material: Aluminum
  • Color: Silver
  • Certifications: UL-441, NFPA 54, NFPA 211
  • Dimensions: 6.8 x 6.8 x 4.2 inches
  • Weight: 0.7 pounds

How to Use

  • Consult your appliance's installation instructions to verify correct vent height and required clearances before installation.
  • When properly installed according to manufacturer specifications, this thimble provides the required 1-inch air space to combustibles.