Easy to assemble and can be combined to obtain the required installation height
Sectional overlap of 1.5". Hence, net assembled length is 1.5" less than listed lengths
Venting gas fired appliances, water heaters, furnaces, stoves, etc.
Type “B” Gas Applications
LockTab - Snap together non-positional lock system
Selkirk Gas Vent pipe & fittings have been tested & listed per UL 441 for installation as Type B & B-W gas vents to be installed in single & multi-story buildings in accordance with the standards of The NFPA NFPA54 & NFPA211.
7" Galvanized Barometric Gas Damper with Thimble Kit - A7-BT-G
This damper is used to regulate drafts on gas-fired appliances, including furnaces, boilers, and water heaters. Comes with thimble kit to make installation easier.
Carcinogens: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.