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

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

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

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:

• Inner Diameter: 4″
• Fuel Types Compatible With: Natural Gas, Liquid Propane
• UL Listed: Yes
• Length: 25′
• Double Wall Construction
• Limited Lifetime Warranty

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-25K DuraFlex AL Kit – 4″ x 25′ (includes: DuraFlex AL Length, DuraFlex AL Cap, DuraFlex Top Plate, and DuraFlex Mortar Sleeve)

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

4DFA-35 DuraFlex AL Length – 4″ x 35′