If your tankless is not getting the right gas/air mixture, carbon can build up on the starter electrodes, and eventually cause the burner not to light when it should.  This video shows how to clean a tankless water heater burner, including cleaning these electrodes.
<p>How do I print out written step by step instructions??</p>

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More by HowToLou:How to Fix a ShovelHow to Install a Sump PumpHow to Install a Hardwood Floor
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