How to Properly Install an Expansion Tank for Your Water Heater

Learn the correct orientation for installing an expansion tank on your water heater for optimal performance and longevity.

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An expansion tank for a water heater should be installed on the cold water supply line horizontally and with the tank's pressure adjustment valve facing down. This positioning is crucial for proper functioning and maintenance. The orientation ensures any air captured in the tank is positioned above the bladder, maintaining effective operation and extending the life of the tank.

FAQs & Answers

  1. What is the correct way to install an expansion tank? An expansion tank should be installed horizontally on the cold water supply line, with the pressure adjustment valve facing down to ensure proper operation.
  2. Why is the orientation of an expansion tank important? The orientation is crucial because it allows any air captured to remain above the bladder, which maintains effective operation and extends the lifespan of the tank.
  3. Can an expansion tank be installed vertically? No, an expansion tank should be installed horizontally; vertical installation can lead to improper functioning.
  4. How often should I check my expansion tank? It's recommended to check your expansion tank at least once a year to ensure proper pressure and function.

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