Grooved ends allow fast and secure installation
Feature Specification / Benefit BTU Input 180
it fits 2″ Schedule 7–40 steel pipe and is UL/FM listed for high reliability in demanding conditions
Horizontal branch access points
20" diameter × 59-5/8" height
Noritz NR501-OD-NG 120,000 BTU Outdoor Residential Tankless Water Heater (Natural Gas) 90 degree siamese Grooved ends allow fast andNoritz NR501 OD NG 120,000 BTU Outdoor Residential Tankless Water Heater (Natural Gas) The Noritz NR501 OD NG is a reliable outdoor tankless water heater designed for residential use, offering hot water on demand with high efficiency and a compact, durable design. With up to 120,000 BTU and a flow rate up to 5. 0 GPM, its ideal for single family homes, apartments, condos, and secondary buildings. Key Features 120,000 BTU hr capacity delivers