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Fire sprinkler mains and risers in commercial buildings
By producing fewer pollutants
3” W x 27
Built from a corrosion-resistant aluminum body with brass and stainless steel internal components
Max Operating Temperature: 250 °F
Navien NHW-199AE Non‑Condensing Tankless Water Heater (Outdoor) Mechanical Piping Fire sprinkler mains and risersProduct Description: The Navien NHW199AE is Naviens highest capacity outdoor tankless water heater, engineered for powerful performance in exterior installations. With a full 199,900 BTU input and integrated ComfortFlow technology, this model includes a built in recirculation pump and buffer tank for faster hot water and stable temperatures even during peak demand. Designed for durability and convenience, the NHW 199AE uses a stainless steel heat
