GlobalTowne is a Takagi Authorized Distributor and we now carry the Takagi 4" Combustible Sidewall Termination Kit part number 9008339005. This sidewall termination kit is for non- condensing gas tankless water heaters that require a 4" stainless steel vent system. The sidewall termination kit comes with 1 - 4" Female-Female Adaptor, 1 - 4" 90 degree Elbow, 1 - 4" Wall Thimble (4.0"-7.0") and 1 - 4" Sidewall Hood Terminator. See image below.
The Takagi 4" Combustible Sidewall Termination Kit is approved for the following Takagi gas tankless water heaters: T-KJr2/U, T-K4/U, T-D2/U, T-M32, T-M32 ASME.
For more information or to order a sidewall vent kit please call GlobalTowne at 888-726-9752.