DuraVent DuraFlex Pro 4" x 120' Stainless Steel Custom Length btu38500 Use with the tee cap Imitate the real flame Use with the tee cap Ideal when using multiple heaters to set up zones for a variety of simple or complex applications Infinite Heat Control Use Any Switch Solid State Control Packages work in conjunction with Infratech’s Analog Controllers Only Timer Analog Controllers are offered with or without Digital Timers Remote Dimming Zoning Capabilities Smart Phone Tablet Application NEMA Rating NEMA 12 Analog NEMA 4 Panel Wiring Diagrams Provided Tested Before It Leaves The Factory Assigned a UL Listing Number Panel Built Job Specific Enclosure Rating Type 1 (must be installed in a protected location) Face Plate 19 DURAVENT DISCLAIMS ALL OTHER WARRANTIES DuraFlex Pro is manufactured utilizing highly corrosion resistant 316 Stainless Steel