National Chimney M-Flex 3" x 15" Stainless Steel Standard Liner Kit watt2575 Assist in achieving proper pitch

Assist in achieving proper pitch for condensate management

Color White Aspen Fuel Type Natural Gas Ignition Type FyreStarter Bluetooth Control Dimensions 72" W x 36" D x 14

000 Size 30-Inch Vent Type Ventless Ignition Type Intermittent Type of Gas Natural Gas Orifice #31 Air Shutter Opening 1/8" Open

Item Number ODCOUG-36GHR Product Type Refractory

National Chimney M-Flex 3" x 15" Stainless Steel Standard Liner Kit watt2575 Assist in achieving proper pitchM FLEX standard liner kits are used for wood, oil, coal, and gas appliances. Each of our . 006" (CB) and . 005" (CBF) standard kits comes with installation instructions and a lifetime warranty. This lining kit has been installed in venting applications since 1992 and continues to be the most popular "all fuels" kit we offer. We stock 3" 8" inside diameter (ID) as well as 6" 8" outside diameter (OD) in our . 006" (CB). What's Included 1x Installation