Tankless Water Heater Maintenance in Hendersonville, TN: What Homeowners Need To Know

Hendersonville homes lean heavily on tankless water heaters, especially during colder seasons when demand spikes. What most homeowners don’t realize is that local water quality plays a huge role in how often their tankless unit needs maintenance. Here’s the quick guide to keeping your Rinnai system healthy in Hendersonville.

Why Hendersonville water affects tankless systems

• Higher mineral content than many surrounding towns

• Causes scale buildup inside the heat exchanger

• Can reduce water flow through the unit in as little as 12 months

• Leads to inconsistent hot water during peak usage hours

• Creates additional stress on system components over time

Key signs your Hendersonville tankless needs a flush

• Hot water cutting in and out

• Water pressure is slowly decreasing at taps

• Unit running louder than normal

• Occasional temperature spikes or dips

• Warning or error codes appearing on the display

What a professional flush removes

• Calcium

• Lime

• Sediment buildup

• Early stage restriction in the internal screens and filters

How often should Hendersonville homes flush

• Standard residential homes: Once per year

• Larger families: Every 9–12 months

• Homes close to the lake: Often experience faster scaling

• Older plumbing systems: Benefit even more from consistent maintenance

Benefits after a flush in Hendersonville

• Faster hot water to faucets

• Better water pressure

• A smoother, quieter tankless unit

• Lower mineral stress on internal components

• Longer system lifespan

FlowTech Tankless serves Hendersonville as a dedicated Rinnai tankless flush and descaling specialist. We keep local systems running clean, efficient, and reliable year-round.