Navien NR-240A (CR-240A) Tankless Hot Water Heater with Circulating Pump and Buffer Tank

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Navien Popular Q&A

Q: How good is the Navien Tankless Water Heaters?
A: The new Navien NR Series tankless water heater is a very reliable unit with many improvement in comparison to Navien CR series. Here is a good website to compar... Read More »

Q: Navien Water Heater Problems.
A: Navien water heaters occasionally turn on and off on their own due to ignition failure. This problem can be solved by checking the power and gas supplies. If bo... Read More »

Q: What else do I need if I'm going install a Navien Combi Boiler ?
A: Disclaimer: I am NOT a licensed HVAC guy - just a homeowner currently retrofitting his house with a Navien CH-240 to connect to existing hot water radiators on ... Read More »

Q: As they will operate in a very efficient mode when presented with...
A: A tankless water heater is not a boiler. Delta T and return water temperature are not the same. You may have a large Delta T (temperature going out minus the te... Read More »

Q: Anyone know much about the Navien tankless water heatesr?
A: Navien. water heaters are the most advanced tankless water heaters available today. The heat exchanger is stainless steel, so it is not as prone to calcificatio... Read More »