When answering this question, focus on detailing your direct experience with both installing and repairing water heaters. Mention specific types of water heaters you have worked with (e.g., tankless, electric, gas), and describe any relevant projects or jobs. Highlight your familiarity with safety protocols and any troubleshooting skills you possess. For example:
"In my previous role at XYZ Plumbing, I installed and repaired various types of water heaters, including tankless, electric, and gas models. I ensured all installations met local codes and safety standards. One notable project involved replacing an old gas water heater with a new tankless system, which required rerouting the gas line and upgrading the venting system. I also handled emergency repairs, diagnosing issues such as faulty thermostats and sediment buildup, and implementing effective solutions."
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