Duravent 4DFA-25 DuraFlex AL Flexible Liner Chimney Pipe 25 feet Flex Pipe Length

Product Description

The DURAVENT 4DFA-25 DuraFlex AL is a flexible connector pipe designed to connect wood stoves to rigid chimney systems or reline existing masonry chimneys. This double-wall pipe is suitable for use with wood stoves, fireplaces, and other solid fuel-burning appliances. It features an inner aluminum liner and an outer aluminum layer for enhanced durability and safety.

• Flexible connector pipe for easy installation
• Double-wall construction for added durability
• Suitable for gas, liquid propane, and solid fuel-burning appliances

Product Highlights

This flexible chimney liner is an economical venting system used for relining masonry chimneys. It protects the chimney from flue product condensation.

Product Information

Standard Information

• Brand: DURAVENT
• Manufacturer Part Number: 4DFA-25

Technical Specifications

• Brand: DuraVent
• MPN: 4DFA-25
• Inner Diameter: 4"
• Pipe Type: Flexible Liner
• Construction: Double Wall
• Flex Pipe Length: 25'
• Manufacturer: DuraVent
• Size: 4"
• Fuel Types Compatible With: Gas, Liquid Propane
• UL Listed: Yes
• Length: 300"
• Vent Construction: Double Wall
• Inner Pipe Material: Aluminum
• Outer Pipe Material: Aluminum
• Pipe Class: Flexible Liner
• Pipe Shape: Round
• Application: Boiler, Category I Appliances, Draft Hood Equipped Appliance, Fireplace, Furnace, Space Heater, Type B Appliance, Wall Heater, Water Heater
• Approved for Commercial Use: No
• Certifications: UL
• Collection: DuraFlex AL
• UL Listing Number: UL 1777, ULC S635
• Product Line: DuraFlex Aluminum
• Vent Type: B-Vent
• Telescoping: No
• Adjustable: No
• Material: Aluminum
• Painted: No
• Adapter Needed: No
• Support Included: No
• Flex Type: Relining
• Rigid Compatibility: Yes
• Includes Trim: No
• Includes Insulation Shield: No
• Is Firestop: No
• Includes Adapter: No
• Includes Cap: No
• Vented: No
• Firestop Required: No
• Air Intake: No
• Outside Diameter: 4 inches
• Inside Diameter: 4 inches
• Max Effective Length: 300 inches
• Item Diameter: 4 Inch
• Hose length: 25 ft
• Inlet diameter: 4 in
• Model: 4DFA-25