All of the Takagi Non-Condensing gas tankless water heaters require to be vented to the outside using 4" stainless steel (AL29-4C) venting. The Takagi non-condensing gas tankless can be vented horizontally out the sidewall or vertical up through the roof. The 4" stainless steel venting is a sealed vent and will last a lifetime.
GlobalTowne carries the full line of Z-Flex Z-Vent 4" stainless steel venting. The venting comes in various lengths, 90 degree elbows, straight pipe and adapters. Z-Vent contains a built-in, fail-safe gasket and locking band connection. No sealant is required.
Please call Globaltowne at 888-726-9752 for further questions or to place an order.