The 48" Straight Rigid Vent Pipe is a high-performance venting solution engineered for safe and efficient indoor venting of Noritz tankless water heaters and gas boilers. Built from Category III stainless steel, it’s designed to handle high-temperature exhaust while resisting corrosion over time. As part of the Noritz N-Vent system, this pipe features quick-snap gasket connections to make setup simple and secure, minimizing installation time in residential or light commercial applications.