He wanted to purchase Z-Flex vent pipe and wanted to know the correct venting adaptor for this heater. He also wanted to know how to connect the Z-Flex exhaust to his Noritz VT4-TL Sealed Combustion Long Vent Termination.
4" Noritz Adaptor (2SVWA04). This adaptor connects directly to the heater and allows you to exhaust with Z-Flex 4" stainless steel vent pipe.
The Z-Flex Stainless Steel Vent Pipe connects directly to the Noritz VT4-TL Sealed Combustion Long Vent Termination.