DuraVent DuraLiner 6" x 36" Oval-To-Round Stainless Steel Flex Pipe btu8530 and a Stainless-steel secondary-air system

and a Stainless-steel secondary-air system which improves gas combustion

18" 20" Shape: Square Square Square Soil Usage: 1 ft³ 2 ft³ 3 ft³ Material: Glass Fiber Reinforced Concrete(GFRC) Glass Fiber Reinforced Concrete(GFRC) Glass Fiber Reinforced Concrete(GFRC) Overall Dimensions: 24"W x 24"D x 10"H 30"W x 30"D x 12"H

Versatility

Digital Programmable Line Voltage thermostat for Single Stage Heaters

DuraVent DuraLiner 6" x 36" Oval-To-Round Stainless Steel Flex Pipe btu8530 and a Stainless-steel secondary-air systemDuraLiner ensures safe and efficient venting of heating appliances while protecting the masonry chimney from the damaging effects of flue gas. It is the only factory insulated product with zero zero clearance for high heat wood burning appliances. No need to uncoil flex, insulate a majority of the pipe, or protect the insulation when installing. A smooth inner means less creosote buildup. Installers reduce labor time by 50% or more with DuraLiner. No