Master Flow Products

All products from this brand (18 total)

Drain pans collect condensation to prevent leakage in walls and ceilings due to moisture run-off from primary AC pans. Galvanized steel construction with attached PVC fitting. Locate under HVAC unit and attach to 3/4 in. drain line (not included).

Elevate your water heater with the Master Flow 22 in. square Water Heater Stand. It stands 18 in. tall, lifting your water heater to an ideal height for drainage for maintenance and repair. Constructed of 18 gauge galvanized steel, it offers strength and durability.

Master Flow 4 In 90-Degree Turned 26-Gauge Adjustable Elbow | HD Supply

Master Flow Pre-Insulated Register Box with Installation Rails create a straight (in-line) transition from round pipe or insulated flexible duct to an air register or grill. They arrive ready-to-install, conveniently pre-wrapped in a foam insulation cap. The included Installation Rails attach to the flange or easy attachment to joists or other nailing surfaces. Design saves time during installation and energy without additional sealant or insulation.

Master Flow Pre-Insulated Register Box with Installation Rails create a straight (in-line) transition from round pipe or insulated flexible duct to an air register or grill. They arrive ready-to-install, conveniently pre-wrapped in a foam insulation cap. The included Installation Rails attach to the flange or easy attachment to joists or other nailing surfaces. Design saves time during installation and energy without additional sealant or insulation.

Master Flow Pre-Insulated Register Box with Installation Rails creates a straight (in-line) transition from round pipe or insulated flexible duct to an air register or grill. They arrive ready-to-install, conveniently pre-wrapped in a foam insulation cap. The included Installation Rails attach to the flange or easy attachment to joists or other nailing surfaces. Design saves time during installation and energy without additional sealant or insulation.

The Duct-board Return Air Box is an R6 insulated box that installs traditionally in a ceiling. Can accept any size collar up to 18 in. Diameter (not included). Used as a central return vent box (Filter Grill Not included). Can be easily cut to size.

The Master Flow 10 in. x 6 in. x 6 in. Tall Insulated Register Box with Side Outlet is lined with duct liner giving the box an R-Value of 4. It provides a transition from round pipe or insulated flexible duct to air register or grill. It is insulated so there is no need to wrap after installation. The insulation also serves as a noise deadener and helps control condensation. It is designed for 6 in. round ducts. The height of the box is 9 in.

The Master Flow 10 in. x 8 in. x 8 in. Slant Top Insulated Register Box with Tabs provides a transition from round pipe or insulated flexible duct to air register or grill. It is insulated so there is no need to wrap after installations. The insulation also serves as a noise deadener and helps control condensation. It is designed for 8 in. round ducts. The slanted boot makes it easier to install near a sharply pitched roof. The built in flange can be used with Snap on Rails to make installation easier.

The Master Flow 12 in. duct-board Starting Collar is suitable for 1-1/2 in. to 2 in. duct-board plenums. It provides a transition from the plenum to round pipe or insulated flexible duct. It can be used with duct-board, an internally lined or unlined plenum. This galvanized steel starting collar features extra-long tabs.

The Master Flow 12 in. x 12 in. x 10 in. Register Box with Flange is designed for 10 in. round ducts. This 28 gauge register box with flange is made of zinc-coated galvanized steel. The maximum temperature rating is up to 390 degrees Fahrenheit and the minimum temperature rating is as low as -100 degrees Fahrenheit.

The Master Flow 14 in. x 6 in. x 8 in. Slant Top Insulated Register Box with Tabs provides a transition from round pipe or insulated flexible duct to air register or grill. It is insulated so there is no need to wrap after installations. The insulation also serves as a noise deadener and helps control condensation. It is designed for 8 in. round ducts. The slanted boot makes it easier to install near a sharply pitched roof. The built in flange can be used with Snap on Rails to make installation easier.

The Master Flow 24 in. x 36 in. Galvanized Steel Flat Sheet is the ultimate product for custom fittings. This flat sheet is made of 30-Gauge galvanized steel for durability and sturdiness. You can cut this sheet into almost any size for your tough-to-fit jobs. It is recommended to seal your seams with building code approved sealant or duct tape.

The Master Flow 7 in. duct-board Starting Collar is suitable for 1 in. to 1-1/2 in. duct-board plenums. It provides a transition from the plenum to round pipe or insulated flexible duct. This starting collar has a built-in damper which allows for adjusting air flow within the duct run. It can be used with duct-board, an internally lined or unlined plenum. This galvanized steel starting collar features extra-long tabs.