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Female threaded connections on both ends allow for secure installation with standard threaded steel or galvanized pipe
900 BTU — highest in the NHW-SE line Installation Outdoor-only — vent-free setup Heat Exchanger & Burner Stainless steel for long-lasting durability Efficiency 0
Compatible with gas-powered appliances like Navien units
Noritz NRC661-DV-NG 120
25% lead content)
1-1/2" × 11" Black Pipe Nipple (Threaded Both Ends) Outdoor Condensing Tankless Water Heater Female threaded connections on bothOverview The 1 1 2" 11" Black Steel Nipple is manufactured from Schedule 40 black steel pipe with tapered NPT threads on both ends. Designed for use in gas, oil, air, and non potable water systems, these nipples offer durability for residential, commercial, and industrial applications. Key Features Schedule 40 black steel construction. Male NPT threads on both ends for secure connections. Suitable for natural gas, propane, oil, air, and non potable
