Heating

Used to increase diameter of galvanized round perimeter pipe. For single wall pipe. Large end only is crimped.

Used to increase diameter of galvanized round perimeter pipe. For single wall pipe. Large end only is crimped.

Used to increase diameter of galvanized round perimeter pipe. For single wall pipe. Large end only is crimped.

90 deg. adjustable rounded double seams permit each section to turn freely without any chance of becoming disconnected. Elbows can be adjusted to any angle between a straight line and a right angle.

90 deg. adjustable rounded double seams permit each section to turn freely without any chance of becoming disconnected. Elbows can be adjusted to any angle between a straight line and a right angle.

Used with tee branch and chimney section to provide proper clearance to combustible materials. 28-gauge.

Galvanized. No crimp.

Used with tee branch and chimney section to provide proper clearance to combustible materials. 28-gauge.

Used to seal the underside of the floor joist space to create a return air. Galvanized. 30-gauge. 32 In. x 48 In.

Universal. Used for in-line transition from round pipe or insulated flexible duct to a register or grille. 30-gauge.

Used to connect two pieces of pipe and/or pipe fittings. Bolt type used when a heavy-duty connection is needed on heavier gauges. Galvanized. 6" diameter, 30-gauge.

Used for starting runs of flexible or rigid HVAC duct. Galvanized. Crimped.