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Vermont Castings Appliance Adapter [Black], 4" x 6 5/8" Diameter, Direct Vent - 0002768
Vermont Castings$119.560002768 is a galvanized appliance adapter with an inner diameter of 4 inches by 6-5/8 inches. This is used with double wall Direct Vent Pro pipe. This is an OEM DuraVent venting component. -
Vermont Castings Co-Axial to Co-Linear Adapter [Fits two 3" Flex Liners to 4" x 6 5/8" Pipe] [Galvalume], 4" x 6 5/8" Diameter, DirectVent - 46DVA-VCL
Duravent$362.1846DVA-VCL is a Vermont Castings co-axial to co-linear appliance connector with an inner diameter dimension of 4 inches by 6-5/8 inches. Stunning design and Engineered Excellence® utilizing state-of-the art manufacturing. ... -
Zero Clearance Chimney Adapter - LINK-ZC-ADPB
Majestic$94.00Use the Zero Clearance Chimney Adapter when venting into an air cooled chimney you must add. 14 1/2" round flashing adapter kit (for use with existing liner kits when using Class A pipe).