Tankless water heater code 12

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An error code 12 indicates a flame loss. This means that the unit is detecting a flame, but the flame is being extinguished during operation weak flame. Common issues associated with a 12 error code include: 1 Insufficient gas supply 2 Insufficient air supply 3 Debris on the flame sensor It is recommended that you contact a servicer to troubleshoot this error code. FAQ - What does an error code 12 mean? Article Number: Rating: 4. Posted - Fri, Dec 16, PM.

Tankless water heater code 12

In this instance, your hot water unit has not recognised that there is a flame in the burner box. This can be quite a difficult error code to solve yourself, especially if there are more extensive issues occurring within your unit. There are a number of reasons why your Rinnai unit is showing this error code but some of the common causes include:. Firstly, check the gas connections and gas pressure to your hot water system to ensure that the pilot light is not out just because there is no gas to the unit. If the gas pressure to the hot water system is insufficient there can be a number of causes, most of which require a qualified gas fitter to correct. Fortunately, Metropolitan Plumbing employs fully qualified gas fitters who have years of experience repairing and replacing Rinnai hot water systems. No matter what error code your Rinnai system is showing, our plumbers will be able to quickly identify faults and work towards finding a solution. It is imperative that all gas works are carried out by a qualified gas fitter, not only to meet Australian regulations but also to ensure the safety of persons living in the home. Whether you are requiring thermocouples, elements, or pressure relief valves to be replaced, we can supply and install all parts to get your hot water unit up and running in no time. Even in the event that your Rinnai hot water system is not repairable, we can provide an on site quotation to replace it and can have your new unit installed and operational on the same day.

You say it's not a gas pressure issue, but until you've measured it that would not be a good assumption, even if it seemed to be working fine a few weeks ago.

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There are water heaters that make use of gas and solar. In other words, they do not store water. The electric tankless water heaters save energy and consequently, cost. Time saver: It takes quite some time for a storage tank to fill. It even takes an additional time to get the water in it heated. But with an electric tankless water heater, all you need do is turn on the tap and there you have your hot water flowing! Energy and money saver: The water in a water storage tank will definitely cool off after heating.

Tankless water heater code 12

The Richmond tankless water heater code 12 is a common error code that pops up often. It represents flame failure of the heater. The most common reason behind it is issues related to the gas supply. However, it can also be caused due to the following reasons:. Note: You can also read our Richmond tankless water heater troubleshooting guide. The number one reason behind the error code 12 on your tankless water heater is issues related to the gas supply. If the gas supply to your heater is interrupted in any way, this error code can pop up. There are a lot of things that can go wrong and cause issues with the gas supply.

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Posted - Fri, Dec 16, PM. FAQ - How to find part numbers, parts lists, or parts breakdowns of Noritz products? Firstly, check the gas connections and gas pressure to your hot water system to ensure that the pilot light is not out just because there is no gas to the unit. What other gas appliances do you have. You are using an out of date browser. Our Service. Add Comment Full Name. Like dana said you cant be sure it isnt gas issue until readings have been taken. Why would the gas pressure change in the last week? Plumber69 In the Trades. Articles in same category. New Rheem water heater… main burner. Spoke with reps from Rheem and they weren't all that useful other than to request static and dynamic gas pressure readings. Bill Schleusner said:. Comments Please add a comment if you would like to provide us with feedback about this article.

Rheem tankless water heater code 12 is an error of the system indicating flame failure. Malfunctioning of the flame rod is the major reason for flame failure in the heater.

Users who are viewing this thread. Skip to content Plumbing Electrical Air Conditioning. Dana said:. Posted - Fri, Dec 16, PM. Could be only happening when multiple gas appliances are being used at same time. Select a time ASAP, it's an emergency! License Numbers. Thread starter Bill Schleusner Start date Feb 12, Last Name This is required. I can't get the WH to stop throwing error codes. I'm asking this learned group because Rheem doesn't have a "contracting plumber" in Grand Junction and most of the plumbers here are not familiar with tankless units.