Part Number: LANGTTRK-ADP
eFireplaceStore Item Number: SFL-LANGTTRK-ADP
*Venting Requirements: This unit requires venting pipe with an inner diameter of 3 Inches. Please see the Venting Components section on this page if available for venting pipe that must be used with this unit.
This through-the roof adaptor kit comes equipped with 2 adaptors - 3" flex line converting to a 4" rigid, hard aluminum direct-vent pipe and a 6" flex line converting to a 6-5/8" rigid, hard aluminum direct vent pipe. Working in tandem, these accessories protect the venting surfaces from excess heat emitted from the unit to protect surrounding surfaces efficiently. The adaptors work in tandem whereby the first adaptor set, the smaller of the two, connects to the inner coaxial tube for shielding combustible surfaces such as walls or ceilings from heat damage. The second adaptor set, the larger of the two, connects to the outer coaxial tube to suction cooler air from the exterior of the home to combust the flames. These transitional adaptors may only be used in preexisting vent pipe or a masonry chimney.