The Toyotomi Flue Pipe Extension, part number 20479887, is designed for through-the-wall installations where standard flue pipe lengths do not reach the exterior wall. The adjustable extension accommodates wall depths from 9″ to 13″, allowing proper exhaust alignment while maintaining correct intake and exhaust performance.
What’s included: one adjustable flue pipe extension designed to slide and lock into position to match varying wall thicknesses.
Installation limits: this extension is intended to be used as part of a Toyotomi direct-vent system and must be installed according to the heater manufacturer’s venting instructions and local building codes.
Compatibility: Compatible with Toyotomi and Toyostove direct-vent heater models when used with the Toyotomi Standard Flue Pipe (#20479891).