strongDuraFlex SW strong is a smooth inner-wall, flexible stainless steel chimney liner. The smooth inner wall provides for no output reduction allowing for full appliance efficiency. Smooth wall construction eliminates ridges that restrict flue gas flow and collect deposits. The lack of ridges facilitates cleaning and maintenance. DuraFlex SW is ideal for relining masonry chimney for wood and gas burning appliances. Listed to UL 1777.
Features
strongApplications: strongDuraFlex SW smooth wall flexible relining for masonry chimney. Use with gas, wood pellet, oil, or wood appliances. Applications include: fireplace inserts, furnaces, boilers, and water heaters.
strongClearances: strong Clearances 0″ clearance for gas, oil, and pellet applications. †clearance to masonry for wood-burning applications. Insulation is required for 0†clearance to masonry for wood-burning.
strongListings: strong Listed to UL 1777 (MH45609).
More Information
More Information
SKU
4DF304-35K / 4PVP-T31
Weight
25.000000
Manufacturer
DuraVent
Replaces
4DF304-35K / 4PVL-T3
Included Items
DuraFlex SS Top Plate w/welded Storm Collar, DuraFlex SS Removable Vertical Cap, DuraFlex SS Connector, and DuraFlex SW length. Flex lengths available in 35'.
This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.