Selkirk 187704 Wall Thimble

Selkirk 4in GAS Wall Thimble

• 18cm to fit thickness of wall. Type B gas vent. Grade: UL Listed, Temperature Rating: 550 F, Wall Thickness: 10cm
• 18cm , Size: 10cm , A Size: 10cm
• 1.6cm , B Size: 25cm
• 1.6cm , Material: Galvanised Steel No. 5RV-WT: Grade: UL Listed, Temperature Rating: 550 F, Wall Thickness: 10cm
• 18cm , Size: 13cm , A Size: 13cm
• 1.6cm , Material: Alum Liner/Galv Steel Jacket No. 6RV-WT: Grade: UL Listed, Temperature Rating: 550 F, Wall Thickness: 10cm
• 18cm , Size: 15cm , A Size: 15cm

Adjusts 10cm – 18cm to fit wall thickness. When installed according to manufacturer specifications, the wall thimble provides the required 2.5cm 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. 10cm 4RV-WT Wall Thimble. Adjusts 10cm – 18cm to fit wall thickness. When installed according to manufacturer specifications, the wall thimble provides the required 2.5cm 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.