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How do I prevent water heater thermal expansion?
You may need to protect your water heater from thermal expansion when you install a backflow prevention device at the water meter. This may be provided by the installation of a thermal expansion tank and a temperature and pressure relief valve. For more information, call us at (503) 665-9320 or contact a licensed plumber.

Backflow

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1. What is backflow?
2. What is a cross connection?
3. How do I prevent water heater thermal expansion?