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Product Description:The Navien NHW‑180SE is a powerful
5 years on parts (residential use)
the NPE-240S2 is the perfect space-saving solution for reliable
Wall-mounted risers in commercial buildings
01 GPM w/ optional setting)
System Sensor WFD20N 2″ Water Flow Switch – NEMA 4, 450 PSI, UL/FM 2 copper 45 Product Description:The Navien NHW‑180SE isSystem Sensor WFD20N 2 Water Flow Switch NEMA 4, 450 PSI The System Sensor WFD20N is a rugged, vane type water flow switch designed for wet pipe fire sprinkler systems. Built with a NEMA 4 enclosure for indoor or outdoor use, it fits 2 Schedule 740 steel pipe and is UL FM listed for high reliability in demanding conditions. Key Features: 2 pipe compatibility (Schedule 740 steel) UL Listed & FM Approved 450 PSI maximum pressure rating Adjustable
US$ 10.49
US$ 22.95
US$ 34.95
