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At Open Water Plumbing, we know how essential your tankless water heater is to your daily routine. When it stops working, it can be frustrating and inconvenient. That’s why we offer reliable repair services for tankless water heaters in Charlotte, NC, ensuring that your system gets back to peak performance quickly and efficiently. With over 25 years of experience, we’re a family-owned business committed to providing fast, affordable, and honest service, with no upsells or hidden fees.
Whether you're experiencing inconsistent hot water, strange noises, or error codes, our team has the expertise to diagnose and repair your tankless water heater quickly. Read on to learn more about the common issues we repair and how our expert services can help restore comfort to your home.
Why Choose Open Water Plumbing for Tankless Water Heater Repair?
As your trusted local plumber in Charlotte, NC, Open Water Plumbing is the right choice for tankless water heater repair. Here’s why:
- Family-Owned Experience: With over 25 years of hands-on craftsmanship, we understand tankless water heaters inside and out. We handle every repair with care, ensuring your system operates efficiently for years to come.
- Honest, Upfront Pricing: We believe in transparency, so you'll know the cost of your repair before we start the job—no hidden charges, no upselling.
- Fast, Reliable Service: Our team provides rapid response times, ensuring your water heater issues are resolved quickly so you can get back to your routine.
At Open Water Plumbing, our mission is simple: to provide reliable, efficient, and affordable tankless water heater repair services in Charlotte, NC, with a focus on customer satisfaction.
Common Tankless Water Heater Problems We Repair
Tankless water heaters are a wonderful choice for homeowners seeking efficiency and endless hot water, but like all appliances, they can experience issues. Here are some of the most common problems that may require professional repair:
1. No Hot Water
If your tankless water heater isn’t producing hot water, it could be due to a variety of reasons:
- Power supply issues: A blown fuse or tripped circuit breaker could stop the unit from operating.
- Faulty heating elements or sensors: A malfunctioning heating element or temperature sensor may prevent the water from heating properly.
Our technicians can quickly identify the root cause of the problem and restore your hot water flow again.
2. Inconsistent Hot Water Temperature
Another common issue is inconsistent water temperatures. You may experience fluctuations where the water is initially hot but then turns cold or lukewarm. This can occur due to:
- Clogged filters: The filters may be blocked with debris or minerals, affecting water flow.
- Sensor malfunction: A faulty temperature sensor could be causing inaccurate readings.
We can repair or replace the faulty components to ensure a steady stream of hot water.
3. Strange Noises
If your tankless water heater is making strange sounds, such as banging or popping noises, this could be a sign of:
- Mineral buildup: In areas with hard water, minerals can accumulate inside the unit, creating noise as they interfere with the heating process.
- Gas supply issues: If your unit is gas-powered, a malfunctioning gas valve or regulator may be to blame.
We’ll inspect your unit and remove any mineral buildup or address any issues with the gas supply.
4. Water Leaks
Though less common in tankless models compared to traditional water heaters, leaks can still occur, particularly around the water connections. Leaks can result from:
- Loose connections: Over time, the connections may become loose, leading to water leakage.
- Internal component failure: A failed seal or internal component may also cause water to leak.
Our technicians will locate the source of the leak and repair it to prevent further water damage.
5. Error Codes or System Shutdowns
Tankless water heaters are equipped with diagnostic systems that display error codes when something goes wrong. These error codes can indicate a variety of issues, including:
- Overheating: If the system overheats, it may shut down as a safety measure.
- Blocked venting system: If the vent is obstructed, it can trigger an error code.
- Gas flow issues: Gas supply problems can also result in error codes.
We can decode these error messages and provide the necessary repairs to get your unit back to normal.
How Our Tankless Water Heater Repair Service Works
When you call Open Water Plumbing for a tankless water heater repair in Charlotte, NC, here’s what you can expect:
1. Initial Diagnostic Check
Our technicians will start with a thorough diagnostic check to identify the issue. We’ll run tests and examine for error codes, faulty components, or other signs of malfunction.
2. Clear Communication and Upfront Pricing
Once we’ve identified the problem, we’ll explain the issue in simple terms and provide a detailed repair estimate. Before we begin, you will be fully aware of the necessary repairs and their associated costs.
3. Efficient Repair
Our team will use high-quality parts and tools to repair your tankless water heater quickly and efficiently. We focus on providing long-lasting repairs that restore your unit’s performance.
4. Post-Repair Testing
After the repair, we’ll test the system to ensure everything is working correctly. We’ll check the water temperature, flow rate, and error codes to ensure your tankless water heater is running at its best.
5. Maintenance Tips and Recommendations
We’ll also provide you with useful maintenance tips to keep your tankless water heater in optimal condition, helping prevent future issues.
Tankless Water Heater Maintenance Tips
To avoid costly repairs and extend the life of your tankless water heater, regular maintenance is essential. Here are a few tips to keep your system running smoothly:
- Descale the system regularly: In areas with hard water, mineral buildup can affect the performance of your unit. Descaling your system annually can help prevent issues.
- Clean the filters: Make sure the water inlet filters are clean to ensure proper water flow.
- Check the vents: Regularly inspect the vents to ensure they are clear of debris or blockages.
- Monitor the temperature settings: Set your temperature to 120°F to avoid overheating the system.
By following these simple maintenance steps, you can keep your tankless water heater running efficiently for years.
FAQs: Tankless Water Heater Repair
The installation process typically takes between 4 and 6 hours, depending on the complexity of the system and any necessary modifications to your plumbing or electrical systems.
Tankless water heaters can be installed in most homes, but certain modifications may be necessary, such as upgrading your electrical or gas lines. Our team will evaluate your home and ensure that installation is feasible.
If you have a traditional water heater, it will need to be removed before we can install a tankless system. We can handle the entire replacement process for you.
With proper maintenance, a tankless water heater can last up to 20 years, which is significantly longer than traditional water heaters.
Yes! Tankless water heaters only heat water on demand, meaning they use less energy than traditional systems, which constantly heat and store water.


