The manufacturing date is identified within the serial number. The serial number is printed on a label which is affixed to the side of the unit and on the product packaging. The first two digits identify the year, the next single digit identifies the month, and the last two digits identify the day.
Correspondingly, are Navien water heaters reliable?
All of Navien tankless water heaters are Energy Star rated, and their Universal Energy Factor rating (UEF) is comparible to other major brands in the industry.
People also ask, how do I date my Navien tankless water heater?
How can I tell the age of a Navien tankless water heater from the serial number? Look for the number between two letters in the middle of the serial number. For example, the “14” between “C” and “X” in the data tag shown below indicates the water heater was manufactured in 2014 .
How do I tell how old my tankless water heater is?
Check the label
Check for a manufacturer label on the side of your water heater — this should include the installation date. If the label is missing, or the installation date is not listed, you can use the serial number to determine the age of your unit.
How long do Navien tankless water heaters last?
Tankless water heaters provide a continuous supply of hot water, and they use about as much energy as a light bulb. Navien tankless gas water heaters are well-known for their reliability and efficiency. These devices can last upwards of 25 years if properly maintained and installed by professionals in the industry.
How long is Navien warranty?
Subject to the foregoing terms, Navien will repair or replace the covered Product or any part or component that is defective in materials or workmanship for a period of five (5) years in regard to parts and up to fifteen (15) Years in regard to the heat-exchanger for a Standard¹ or Controlled-Recirculation² …
What maintenance is required for a tankless water heater?
Tankless Water Heater Maintenance
Most of the country has “hard” or “very hard” water, which may require you to have your tankless water heater flushed as often as once a year. You may need less frequent maintenance if your hot water usage is low or you have a water softener.
Which is better Rinnai or Navien?
Efficiency. Navien Water heaters have an advantage when it comes to being energy efficient. Navien units have UEF ratings of up to 0.96 while Rinnai Units max out at approximately 0.93. The more efficient the unit is, the less energy waste which translates to more energy savings.