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Type B Gas

3" Type B Gas Vent Wall Thimble - 3BVWT

Item: COP68360
MSRP: $45.71
  • For Category 1 gas appliances
  • 1" clearance to combustibles
  • Easy-fit, twist-lock design with no fitting hassles
  • 0.012" aluminum inner
  • 0.018" galvanized outer

3" Type B Gas Vent Wall Thimble - 3BVWT

This wall thimble is used for through-the-wall system to provide clearances for vent from combustibles. Adjusts from 3½" to 6" to accommodate various wall thicknesses.

WARNING: Carcinogens: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer. For more information go to

Limited Lifetime Warranty