Lochinvar CWN399PM-F9 Copper-Fin® 399,000 BTU Commercial Natural Gas Water Heater – Atmospheric Vent, Spark Ignition

The Lochinvar CWN399PM-F9 is a high-performance commercial natural gas water heater designed for demanding applications. With an input capacity of 399,000 BTU/hr, it delivers rapid and consistent hot water delivery. The unit features a gasketless copper finned tube heat exchanger, reducing the risk of leaks and enhancing durability. Its built-in draft diverter allows for easy installation in applications with limited overhead space. The water heater includes a bronze circulating pump with pump delay and freeze protection, ensuring reliable operation. Additional features include a remote tank thermostat, glass-lined water surfaces, and Loch-Heat™ ceramic tile combustion chamber. The CWN399PM-F9 is CSA design certified for alcove installation and installation on combustible floors, making it versatile for various commercial settings.

Key Features:

• BTU Input: 399,000

• Venting Type: Atmospheric Vent

• Ignition System: Intermittent Spark Ignition

• Heat Exchanger: Gasketless Copper Finned Tube

• Circulating Pump: All Bronze with Pump Delay and Freeze Protection

• Thermostat: Remote Tank Thermostat

• Water Surfaces: Glass-Lined

• Combustion Chamber: Loch-Heat™ Ceramic Tile

• Pressure Rating: 160 psi Working Pressure

• Relief Valve: ASME Temperature & Pressure Relief Valve Included

• Control System: 24 Volt with Self-Diagnostic Indicator Lights

• Certifications: CSA Design Certified for Alcove Installation and Installation on Combustible Floors