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Training developed by A.O. Smith University, in collaboration with Johnstone Supply.

Additional Helpful Resources



Water Heater Basics for Johnstone


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PDF – Water Heater Maintenance

PDF – Standard Electric – No Hot Water

PDF – Standard Electric – Not Enough Hot Water

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PDF – Electronic Residential Gas Valve Troubleshooting

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Downloadable versions
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HD SD

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PDF – Mechanical Residential Gas Valve Troubleshooting

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