Navien 199,000 BTU Indoor / Outdoor Advanced Condensing Tankless Water Heater NPE-240A2-NG

Comfort Flow Built-in recirculation system Navien’s patented ComfortFlow® system is the first to include a buffer tank, recirculation pump and fine-tuned controls into a tankless water heater, resolving the cold-water sandwich effect* and issues of minimal flow rates commonly found in other tankless water heaters. * The “cold-water sandwich effect” is the undesired introduction of cold water into the hot water supply line on occasions of frequent on/off operations. (Measure Guideline : Transitioning to a Tankless Water heater, DOE, Sept.2012). Features Self-diagnostics. Displays temperature and water flow rate. Displays status of cascade operation. Convertible display from °F to °C. User Friendly Interface. Easy setup Product Manual ✓ NPE-240A2-NG Manual Delivery Order shipment preparation takes 3 days. Once shipped orders usually take 2 weeks to be delivered. These are estimations; delivery can be delayed for reasons beyond our control. You can always contact us to know