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DWV (drain
Four pressure gauge taps for system monitoring
the NHW-160AE operates at 160
Commercial fire protection monitoring
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Navien NHW-199SE Non-Condensing Tankless Water Heater (Outdoor) Schedule 40 DWV (drainProduct Description: The Navien NHW199SE is the most powerful model in Naviens SE outdoor tankless lineup, delivering a robust 199,900 BTU of heating capacity. Designed for high demand residential applications, this outdoor only, non condensing unit features a stainless steel heat exchanger and burner, low NO emissions, and a compact wall mounted design for space saving convenience. With a UEF of 0. 81 and corrosion resistant internals, the NHW199SE
