DuraVent DuraFlex 4DFA-25K AL Length – 4″ x 25′

DuraVent DuraFlex 4DFA-25K AL Length – 4″ x 25′

The DuraFlex AL kit is available in 3″ to 8″ diameters. Flex lengths are available in 25′, 35′ and 50′.

DuraVent DuraFlex 4DFA-25K is an economical venting system used for relining masonry chimney for natural gas or liquid propane category I, draft hood equipped appliances, and appliances tested and listed to use Type B Gas Vent for a wide range of applications, including: natural gas fireplaces, gas-fired furnaces, boilers, water heaters, and wall or space heating applications. Protects the masonry chimney from damaging effects of flue product condensation.

For Use with Natural Gas or Propane Gas Appliances Only

Features:

• Dimensions: 4” diameter x 25′ long
• Construction material: Single wall .010″ aluminum (2-ply of .005″)
• Clearances: 0″ to Masonry
• Listings: Listed to UL 1777 and ULC S635
• Kit Includes: 25′ DuraFlex AL flexible pipe, DuraFlex AL cap, DuraFlex top plate, and DuraFlex mortar sleeve

Also available:

46DVA-CLTA 4×6 Diameter Co-linear Termination Adapter

46DVA-CLAA 4X6 Dia Co Linear Appliance Adapter

46DVA-CT 3″-4″ Co-Linear Adapter

46DVA-ADF Co-Linear Flex Connectors

46DVA-ADP Appliance Adapter

46DVA-VCL Vermont Castings Appliance Connector

46DVA-GCL34 4×6 DIA Co-Axial/Co-Linear 3X4 Adapter

46DVA-GCL Standard Appliance Connector

3DFA-25K DuraFlex AL Kit – 3″ x 25′ (includes: DuraFlex AL Length, DuraFlex AL Cap, DuraFlex Top Plate, and DuraFlex Mortar Sleeve)

3DFA-35K DuraFlex AL Kit – 3″ x 35′ (includes: DuraFlex AL Length, DuraFlex AL Cap, DuraFlex Top Plate, and DuraFlex Mortar Sleeve)

3DFA-25 DuraFlex AL Length – 3″ x 25′

3DFA-35 DuraFlex AL Length – 3″ x 35′

4DFA-35K DuraFlex AL Kit – 4″ x 35′ (includes: DuraFlex AL Length, DuraFlex AL Cap, DuraFlex Top Plate, and DuraFlex Mortar Sleeve)

4DFA-25 DuraFlex AL Length – 4″ x 25′

4DFA-35 DuraFlex AL Length – 4″ x 35′