Selkirk Wall Thimble

Selkirk 6″ Wall Thimble

• Adjusts 4-1/8″ to 7″ to fit wall thickness
• Round Type B gas vent
• When installed according to manufacturer specifications, the wall thimble provides the required 1 inch air space to combustibles
• Tested and listed per UL-441 for installation as type “B” and B-W gas vents to be installed in single and multi-story buildings

Adjusts 4-1/8″ to 7″ to fit wall thickness. Round Type B gas vent. When installed according to manufacturer specifications the wall thimble provides the required 1 inch air space to combustibles. Tested and listed per UL-441 for installation as type “B” and B-W gas vents to be installed in single and multi-story buildings.