Ducting & Venting
Type B Gas Vent pipe used to add length to a straight length of Type B Gas Vent. The 12 in. L pipe adds 3 in. to 10 in. L. This pipe requires a 2 in. overlap.
- Type B gas vent designed to the demands of the common category I appliance installation
- Use with natural gas and liquefied propane (LP) category I appliances with a draft hood
- Engineered to heat up rapidly and remain hot during the appliance operation to allow for minimal condensation; an innovative system for a lock tight connection called DuraLock
- 1 in. clearance to combustibles in single and multi-family dwellings
- Available in 3 in. to 8 in. Dia
- Limited lifetime warranty
- Listed to UL 441, UL 1777, and ULC S808
This 4 in. x 20 ft. Dryer Vent Duct is ideal for both gas and electric dryer application. It is constructed of heavy-duty, fire resistant, 4-ply aluminum foil laminate that encapsulates a high density, corrosion resistant wire helix. This forms an air tight and easy to use air duct.
- Constructed of heavy-duty, fire resistant, aluminum foil laminate
- Constructed with a corrosion resistant, wire helix
- Duct is airtight
- Will not support combustion
- Note: per UL2158A only ducts 8 or less can be UL marked
The Master Flow 7 in. x 4 in. Round Reducer is made of galvanized steel. It features hemmed collar edges for enhanced strength and a secure fit. The reducer is used to transition from a 7 in. pipe to a 4 in. pipe in an HVAC system. It is suitable for most HVAC applications.
- Hemmed collar edges for an improved fit and increased strength
- Connects 7 in. pipe to 4 in. pipe in duct run
- Seal seams with code-approved mastic, sealant or duct tape (sold separately)
- Always insulate ductwork for greater system efficiency and comfort (insulation not included)
This 4 in. x 25 ft. flexible aluminum foil duct is ideal for bathroom fan exhausting and other general-purpose exhaust applications. 3 layers of aluminum foil laminate are included in its composition that will withstand up to 250 degree F temperatures. This product has been rated as an air duct connector under UL 181 and should never be used for dryer venting purposes.
- Made from 3 ply aluminum foil laminate
- Maximum operating temperature of this product is 250 degree F
- Product should never be used for dryer venting applications
- Rated as a ul 181 class 1 flexible air duct connector
The Master Flow 8 in. x 7 in. Round Reducer is made of galvanized steel. It features hemmed collar edges for enhanced strength and a secure fit. The reducer is used to transition from a 8 in. pipe to a 7 in. pipe in an HVAC system. It is suitable for most HVAC applications.
- Hemmed collar edges for an improved fit and increased strength
- Connects 8 in. pipe to 7 in. pipe in duct run
- Seal seams with code-approved mastic, sealant or duct tape (sold separately)
- Always insulate ductwork for greater system efficiency and comfort (insulation not included)
Type B Gas Vent designed to the demands of the common category I appliance installation. Engineered to heat up rapidly and remain hot during the appliance operation to allow for minimal condensation. An innovative system for a lock tight connection called DuraLock.
- Use with natural gas and liquified propane (LP) category I appliances with a draft hood
- Adds 22.5 in. L to a 6 in. Dia installation
- Aluminum inner wall and galvalume outer wall construction that features an industry leading twist-lock design
- 1 in. clearance to combustibles in a single or multi-family dwelling applications
This is a duct reducer. This is an HVAC replacement part. It measures 6 in. x 4 in.
- 6 in.
- 4 in.
- Duct Reducer
- HVAC Replacement part