The national average for tankless water heater repair costs are between $100 and $650, with most homeowners paying $375 to fix a heater that makes loud rumbling sounds.
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Tankless Water Heater Repair Cost by Brand.
| Brand | Average Cost (Electric) | Average Cost (Gas) |
|---|---|---|
| Navien | N/A | $200 – $700 |
| Rinnai | N/A | $200 – $700 |
How much does it cost to maintain a tankless water heater?
Tankless Water Heater Maintenance Costs
To protect the investment and keep it working in top shape, maintenance should be performed twice annually by a professional. The total cost for preventative maintenance ranges from $45 to $200 per visit.
How often should you service a Rinnai tankless water heater?
once a year
To properly maintain and clean your tankless water heater, it’s important to flush those mineral deposits at least once a year. Follow this simple process to ensure optimal tankless water heater performance and efficiency.
How much does it cost to flush a Rinnai tankless water heater?
It costs around $150 to flush a tankless water heater. You especially need it at least annually if you have well water with a lot of iron. That causes more sediment buildup. The process takes about a half-hour.
Do Rinnai water heaters need to be serviced?
It is best to get your hot water heater serviced at least once a year. If you are living in an area where you have hard water or you keep the water temperature set up high, Tankless Hot Water Heater Maintenance should be done twice a year.
Do tankless water heaters need yearly maintenance?
Annual or semi-annual maintenance is important for a tankless water heater, but it won’t make the system last forever. Eventually you will need to replace the appliance with a new one, though a tankless system may last more than 20 years.
How long does a tankless water heater last?
20 years
Most tankless water heaters will last for up to 20 years or more, which is a long lifespan in comparison to tank water heaters, which last around 10–15 years.
What happens if you don’t flush your tankless water heater?
What happens if I don’t flush out my tankless water heater? Mineral deposits may build up. This could cause a clog within the unit and may prevent normal heating activity. Your hot water could also fluctuate and overheat the system, impacting its efficiency.
How do you service a Rinnai tankless water heater?
Quote from Youtube video: So let me show you how to do those two. Okay. Now we're gonna turn off the isolation valve on the cold water side in fact we can go ahead and disconnect the hose that was the pump.
Is there a air filter in a Rinnai tankless water heater?
Because there is a fresh air intake on your Rinnai tankless water heater, there is a screen to prevent bugs and debris from entering your unit. The air filter is located at the top right corner of your unit and will slide out towards you. Check it for removable items and then replace it.
How long does a Rinnai water heater last?
up to 20 years
The life expectancy (or useful lifespan) of a Rinnai tankless water heater is up to 20 years. Actual life is impacted by water quality, usage and proper maintenance. For comparison, a tankless water heater lasts about twice as long as a tank water heater, making them a better value in the long run.
How do you flush out a tankless water heater?
Quote from the video:
Quote from Youtube video: Minutes to an hour and a half at a minimum of an hour hour and a half's probably a little better all we're doing is just recycling that vinegar through the boiler.
How much vinegar do you need to flush a tankless water heater?
At $50 to $150 for a pump and the need for annual maintenance for tankless water heaters, it’s wise to buy rather than rent. It will take 3 gallons of food-grade white vinegar to get this job done.
Can I use CLR to clean my tankless water heater?
CLR can be used with distilled vinegar to clean a tankless water heater. It is designed to safely remove calcium, lime, and rust deposits from several household wares, including coffee pots, showerheads, toilet bowls, and washing machine basins.
