The Noritz ETHF021 Exhaust Flue Set includes an O-ring and gasket, designed for efficient venting of gas appliances. This set is made from high-quality materials to withstand high temperatures and ensure a secure connection. Compliant with industry standards, it enhances the safety and performance of your Noritz tankless water heater. Ideal for both new installations and replacements, this exhaust flue set is essential for maintaining optimal operation.
