Navien Tankless Water Heaters The Ultimate in Energy Efficiency with Hi-Tech Comfort
· Built-in Circulation System
· Ultra Condensing Efficiency 98%
· Continual Hot Water Supply("A" model only)
· ECO Navien Technology Extended Lifecycle
· PVC Venting & Easy Installation Optimal and Stable Operation Leak Detector
· Air Intake Filter
· Space Saving.
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