tankless water heater problems

7 Common Tankless Water Heater Problems & How To Fix Them

Tankless water heaters provide instant hot water when needed, prompting most homeowners to upgrade to tankless or on-demand water heaters. Though tankless water heaters are highly efficient and energy-saving, they are not beyond malfunctions. Here are seven common tankless water heater problems you can experience with your tankless or on-demand water heater: Stay in tune…

AO Smith Tankless Water Heater Stuck In Standby Mode
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What Is Standby Mode On AO Smith Tankless Water Heater?

This guide on AO Smith Tankless Water Heater Stuck In Standby Mode will reveal: What Is Standby Mode On AO Smith Tankless Water Heater? The standby mode on the AO Smith Tankless Water Heater means the unit is not heating the water actively but is ready to heat when asked for hot water.  When the…

Navien Tankless Water Heater Error Codes
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Navien Tankless Water Heater Error Codes [Complete List]

This is a complete guide on Navien Tankless Water Heater Error Codes. From this article, what you will learn:  So, let’s get started from right here. How To Check Navien Error Code History? Follow these three simple steps to check the error code history on your Navien Tankless Water Heater:  Navien Tankless Water Heater Error…

Rheem Tankless Water Heater Code 13
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Rheem Tankless Water Heater Code 13: Reasons & Solutions

Error code 13 on Rheem Tankless Water Heater means poor or bad combustion. The unit will throw this fault code due to:  You can easily reset the error code 13 by addressing and troubleshooting those issues. And this guide will walk you through each troubleshooting step to resolve the combustion issue.  Let’s scroll down.  Relevant:…

Richmond Tankless Water Heater Troubleshooting
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Richmond Tankless Water Heater Troubleshooting [Complete Guide]

This guide on Richmond Tankless Water Heater Troubleshooting describe:  To learn how to troubleshoot those issues and resolve them, keep reading till the end. Richmond Gas Tankless Water Heater Troubleshooting [Common Problems] Let’s go to the step-by-step troubleshooting procedure to resolve the common gas tankless water heater problems: No Hot Water Richmond Gas Tankless Water…

Rheem Tankless Water Heater No Hot Water
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Rheem Tankless Water Heater No Hot Water

If your Rheem Tankless Water Heater is producing no hot water, check the following potential issues: You can contact the Rheem Customer Support if the problem persists. To discover more troubleshooting steps, you can continue to read. Rheem Tankless Water Heater No Hot Water [9 Easy Solutions] Now, it’s time to discover the culprits that…

Rheem Tankless Water Heater Code 45
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Rheem Tankless Water Heater Code 45

Rheem Tankless Water Heater Code 45 indicates a water leak. This water heater has a water leak sensor at the bottom of the unit. When it senses water dripping or moisture, the unit will trip the sensor and throw an error code 45.   How To Fix Rheem Tankless Water Heater Code 45?  Here is the…

rheem tankless water heater code 11
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How To Fix Rheem Tankless Water Heater Code 11?

Rheem Tankless Water Heater Code 11 means ignition failure or a problem with the ignition sensor. Here are the troubleshooting steps you should follow to reset the error code 11:  How To Fix Rheem Tankless Water Heater Code 11: 7+ Easy Solutions Here is the table that summarizes the mean reasons behind Rheem Tankless Water…

Rheem Tankless Water Heater Error Code 61
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Rheem Tankless Water Heater Error Code 61

Rheem Tankless Water Heater Error Code 61 means combustion fan failure or indicates the blower motor is at fault. This error code will pop up on the controller display due to one of the following reasons:  To reset the error code, resolve those issues. I will walk you through each troubleshooting step to fix the…

Rheem Tankless Water Heater Error Code H103
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Rheem Tankless Water Heater Error Code H103

Rheem Tankless Water Heater Error Code H103 means the high-limit safety switch gets tripped. This safety device will shut off your tankless water heater automatically when the water temperature gets too high.  To reset the error code H103, you should check the high-limit switch and replace it if required. Apart from this, check the burner…

Rheem Tankless Water Heater Code P1
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Rheem Tankless Water Heater Code P1 [Too Low Water Flow]

Rheem Tankless Water Heater Code P1 indicates too low water flow that prevents the unit from kicking on. Typically, the water flow gets too low when the cold water inlet filter gets filthy by minerals or deposits.  To clear the error code P1, you must clean the cold water inlet filter. If the inlet filter…

Rheem Tankless Water Heater E5 Code
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Rheem Tankless Water Heater E5 Code (Too Much Water Flow)

Rheem Tankless Water Heater E5 Code indicates the water flow is too much, and the unit can’t keep up with the demand. As a result, your tankless water heater fails to produce enough hot water and throws the fault code E5.  Limiting the water flow, you can clear the error code E5. You can install…