Tankless Water Heater Repair Denver require maintenance to ensure they work safely and efficiently. Ensure your system gets enough air and the vents are open.
Mineral buildups can cause clogs in your system, especially if you live in an area with hard water. These can cost between $150 and $450 to repair.
Tankless water heaters save energy by heating only the needed water rather than keeping a reservoir at a constant temperature. But, like any appliance, they can sometimes run into trouble. If you’re finding that your hot water is not running as often as it used to, here are some potential reasons why your tankless water heater may need help.
If your tankless water heater starts giving you error codes like “no heat detected,” inspecting your system for blockages is time. It could be that the igniter or flame sensor is blocked by dirt or debris, disrupting its ability to detect water movement and trigger an ignition sequence. Try gently cleaning them with a soft brush and see if this fixes the issue.
It’s also possible that your water heater is experiencing a low flow rate, which can cause the system to fail to sense enough water movement and activate its heating elements. This is a simple fix, though—you only need to open your faucets a little more to let the water flow through.
Your tankless water heater can get dirty over time, causing your water to have an unpleasant color or smell. If so, following the manufacturer’s instructions, you can easily flush your unit. Be sure to turn off the gas and power supply before flushing your tankless water heater, and remember to reconnect the hose to the flush valve afterward!
- The Gas Line is Not the Correct Size
A common tankless water heater problem is caused by the gas line needing the right size for the unit. It’s best to consult the product manual for more information, as it can vary among manufacturers. To solve this issue, you can either install a new gas line that matches the manufacturer’s specifications or install a gas line booster.
A faulty bottom water element can also prevent your tankless water heater from functioning properly. The top water element will continue to function, but the bottom one won’t be able to heat your water. To fix this, you’ll need to have a professional replace the bottom water element.
Leaks can damage your home and are not something you want to ignore. Unfortunately, tankless water heaters don’t last forever and can start leaking at some point. Several things can cause this issue, such as loose connections or a worn-out drain valve. If you have noticed leaking water from your tankless water heater, it is important to contact a professional plumber as soon as possible. This is to avoid potential damage and ensure the leak doesn’t worsen.
A leaking tankless water heater may be due to a problem with the temperature pressure relief valve designed to relieve the system’s pressure. However, this is only sometimes the case; it could signify a more serious problem.
Another potential reason for a leak is if the unit has been contaminated with minerals or sediment. In this case, the water may be discolored and odor unpleasant. The solution would be to flush the water heater according to its manufacturer’s instructions.
Sometimes, a leak can occur because of corrosion in the parts of the tankless water heater. Corrosion is caused by chemicals in the water that affect metals over time, which can cause them to deteriorate. This is why having your water heater serviced regularly by a professional plumber is so important.
Other times, a leaky water heater is the result of poor ventilation. This can lead to condensation that develops into a leak in the water heater or the nearby pipes. It’s also possible that the leaking water is coming from the heat exchanger itself.
Finally, a leak from a tankless water heater can occur if the gas pipes don’t have enough capacity to supply the amount of gas required by the water heater. This issue is extremely dangerous and should only be handled by a qualified professional.
Fortunately, most tankless water heater leaks can be solved by simply repairing or replacing the affected part. The earlier you catch these problems, the less likely they will escalate into more significant issues that can lead to expensive structural damage and flooding. You can keep your tankless water heater working for years with a little troubleshooting and regular maintenance.
A water heater can make a lot of noise as it operates. Some of these sounds are normal and don’t require immediate attention, but other noises may indicate a problem with your water heater that must be fixed immediately. Banging and rumbling sounds typically result from sediment buildup inside your water heater tank. This usually requires the tank to be flushed, a relatively easy process to do with a kit or by calling in a professional. You should also periodically drain your water heater to prevent sediment from accumulating in the bottom of the tank.
Screeching and whistling sounds are often caused by issues with your pressure valves or inlet/outlet valves, which should be inspected regularly to make sure they can open and close properly. It’s not uncommon for these valves to need adjustment or replacement over time.
Tapping sounds are sometimes the result of heat traps or check valves installed in your plumbing system to encourage water flow in the correct direction. You should also replace these components if they become damaged or worn over time.
Another common sound that many people hear from their water heater is crackling, which can result from condensation droplets vaporizing as they pass over the heating element. If the sounds are only occasional, they don’t need to be a concern, but you should always have your water heater checked for damage if they persist.
On the other hand, Hammering sounds are not a cause for concern, as they typically are caused by water crashing into shutoff valves too quickly when closed. A simple solution to this issue is to install a water hammer arrestor, which you can buy at your local hardware store and is very affordable. You can also install a pressure relief valve on your water heater to help absorb some of the shock when your water supply is turned off. If you’re uncomfortable performing these tasks independently, a plumber can inspect and fix any problems with your water heater.
Tankless water heaters are often praised for their energy efficiency but are not immune to heating issues. Like any appliance, they can experience problems that require professional repair. One of the most common problems is insufficient hot water. This may be due to a low water pressure in the home, but an improperly sized gas line can also cause it. If you suspect this is the case, call a plumber for an inspection and replacement.
Hot water can also result from mineral buildup or sediment accumulation inside the system’s heat exchanger, hindering heat transfer and requiring periodic descaling. A lack of hot water can also result from a faulty igniter or flame sensor, requiring professional inspection and installation.
If you’re experiencing a rattling or banging noise when using the tankless water heater, it could be due to a faulty thermal expansion valve (TXV). This device is responsible for regulating the flow of hot water into and out of the system. It can also cause leaks, but a professional can repair this quickly and easily.
While a tripped circuit breaker or power switch isn’t the most common reason a tankless water heater is malfunctioning, it happens occasionally. Resetting your tankless water heater can fix this issue and restore its proper functionality.
This problem may also be caused by a lack of propane or natural gas in your house and a blockage in the exhaust or intake channels. These can be caused by wildlife building nests on or around your vents, mineral buildup, or other obstructions that can prevent your tankless water heater from generating sufficient hot water for your household needs.
A faulty gas line can also reduce your tankless water heater’s capacity to generate hot water, as it can restrict the amount of oxygen needed for combustion. The best way to solve this is to install the proper size of the gas line by the manufacturer’s instructions, but a professional can help you find the best solution.