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Product Description:The Navien NHW‑180AE is an outdoor non‑condensing tankless water heater designed for powerful performance and fast hot water delivery without requiring indoor venting
while advanced safety features
Pressure Rating: 200–250 PSI
reliable hot water with minimal plumbing disruption
Industrial and municipal piping systems
3" Fire Protection Grooved Check Valve (Ductile Iron, Red) plumbing shut-off Product Description:The Navien NHW‑180AE isOverview The 3" Fire Protection Grooved Check Valve is designed for grooved end piping systems in fire sprinkler applications. Made from durable ductile iron with a red epoxy coating, it ensures long lasting performance and corrosion resistance. The non slam clapper mechanism reduces water hammer and provides smooth, reliable flow control. Key Features UL Listed & FM Approved for fire protection use. NSF 61 certified safe for use in potable water
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