3" Pellet Wall Thimble

Type L insulated pipe for pellet stove applications. Used in thru-the-wall installations. Maintains airspace clearance. Centers pipe between walls. Telescopic design can be used on standard walls 5" to 9" thick. 3" diameter.

Features:

• Proven coupling joint connects in seconds to assure joint integrity.
• Gasketed joint design.
• Double wall design with " airspace.
• Inner wall 304 stainless steel, outer wall paintable galvanized.
• Rolled-over male end eliminates sharp edges.
• 1" clearance to combustibles.
• Rated for flue temperatures up to 570F.
• UL Listed (UL-641, UL-103), NFPA-211 compliant