4 DIAMETER WALL THIMBLE WITH. 2″ DIAMETER x 10″ LONG AIR INTAKE. Allows outside fresh air for combustion through the wall thimble without having to cut a second hole into the wall. Comes with an insulation ring to reduce air infiltration where the pipe slips through the thimble. PelletVent Pro is a patent-pending venting system for stoves and inserts that use wood pellets, corn and other biofuels, or oil, as fuel. As a result of DuraVent’s cutting-edge manufacturing process and commitment to innovation, PelletVent Pro is uncompromised in attention to detail and performance. This perfect fit and finish is made possible with a laser-welded inner and outer wall. Select components are available in black. PelletVent Pro is UL listed for 1 clearance to combustibles in the USA and in Canada. It’s double-wall, air-insulated design offers superior performance. Seams are factory-sealed on all elbows, tees, and fittings. Since the introduction of pellet stoves in the 1980’s, DuraVent is recognized as the industry leader in venting systems for pellet stoves. Today, approximately 3 of every 4 pellet stoves in the US and Canada are vented with a DuraVent pellet system. Applications PelletVent Pro is a venting system designed for stoves and inserts that use wood pellets and oil fuel. It is also built to vent biofuel products such as corn, switch grass, cherry pits, soybeans, coffee husks, sunflower hulls, walnut shells and wheat, to name a few. Rated for continuous use flue temperaftures up to 570°F. Materials and Construction Laser-welded, double-wall pipe with a. 012 inner wall of 444 stainless steel and a. 018 laser-welded galvalume outer wall. Painted black exterior available. Primary metal-to-metal connection seals joint. Encapsulated o-ring provides a secondary seal. Clearances 1 clearance to combustibles in the USA and Canada for appliances using corn and other biofuels, wood pellets or oil. Refer to our Typical Venting Installation drawings to select the appropriate component parts for your installation. The inner pipe diameter should match the outlet size of the appliance. For installations that require 4″ vent and the appliance has a 3″ outlet, use an Increaser Adapter 3″-4″. Horizontal, vertical, chimney reline, etc. Also, check for any venting restrictions such as maximum horizontal run, minimum and maximum vertical rise, maximum offset, etc. Use proper support and bracing. Follow local building codes and have your venting system inspected.
