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Navien tankless water heater maintenance

We often get asked about how and when you should be performing maintenance on your tankless water heater. The simple answer is that the manufacturer recommends it be done annually. Performing simple maintenance will extend the life of your water heater and┬áprevent future problems. The main thing, as most people know by now, is the “flush” or “descaling” of the unit. To maintain good flow and efficiency through these units you must have them descaled, with a manufacturer approved solution. Some of the other things that will be done during a maintenance are; cold water inlet filter checked and cleaned, venting system checked and filter cleaned, wiring and electrical connections inspected for any loose or frayed wiring and inspect seals and gaskets for signs of wear or leaks. By maintaining your tankless water heater annually you will be ensuring a long lifespan on your newest energy saving product.

Warning !! Cracked water heater venting

WARNING! We are coming across a lot of the ABS venting on power-vented water heaters that is cracked. If you have a water heater with ABS coming off the top, please take the time to inspect for visible cracks in the first 90 or 45 degree fitting. That pipe is responsible for exhausting harmful fumes outside and if it has a crack itwill allow those deadly off-gases (Carbon Monoxide) into your home. The have changed the code so that new furnaces and water heaters require a specific PVC venting material that is resistant to temperature fluctuations, however the old ABS is allowed to remain on older units until the unit is replaced or the ABS requires repair. At that point the entire venting system requires the upgrade to PVC.