Metalbest 3RV-SC RV 3" Type B Gas Vent Storm Collar

3 Type B Gas Vent Storm Collar from the RV Collection The storm collar provides a seal to prevent water from leaking between flashing and pipe. It is used above the roofline and requires hi-temp silicone sealant on the inner edge. See instructions for use/limitations. The RV series offers round gas vent pipe and fittings for residential, commercial and industrial applications. It features a snap together, non-positional lock system, die formed ends, and eliminates the need for all cutting, fitting and special engineering. It has an improved joint design provides for a rapid and secure connection in seconds. The use of our LockTab feature gives installers the option of engaging this tab instead of using sheet metal screws, when required by local code. Features: Residential and light commercial and industrial Materials: Galvanized steel outer and aluminum inner liner Easy to use LockTab or non-positional lock system Fuel: Gas UL 441 listed Minimum Safety Clearance to Combustibles: 1 for diameters of 3 to 24 2 for diameters 26 to 48 Warranty: Lifetime Limited Warranty , 3 Type B Gas Vent Storm Collar from the RV Collection The storm collar provides a seal to prevent water from leaking between flashing and pipe. It is used above the roofline and requires hi-temp silicone sealant on the inner edge. See instructions for use/limitations. The RV series offers round gas vent pipe and fittings for residential, commercial and industrial applications. It features a snap together, non-positional lock system, die formed ends, and eliminates the need for all cutting, fitting and special engineering. It has an improved joint design provides for a rapid and secure connection in seconds. The use of our LockTab feature gives installers the option of engaging this tab instead of using sheet metal screws, when required by local code