Not sure what model you have? How to locate model and serial number. What model do I have? Applicable Models Models: ALL MODELS Updated on April 17, 2021 Tagged: general Was this article helpful? Yes No Related Articles Changing Remote between F and C SS-HBC-1 Replacement Cartridge Does Noritz offer a recirculation pump? Does a Noritz Tankless have a pilot light? What is Title 24? What’s Your Heater Price/Cost?