Valve is between expansion tank and water heater. Can I just close the valve to replace the water heater without dealing with depressurization? : r/Plumbing
Does My Water Heater Need an Expansion Tank?
Is An Expansion Tank Really Necessary For A Hot Water Heater | Atlanta Ga Plumbers
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Water Heater Expansion Tank Information
Zilmet ZEP5 In-Line Thermal Expansion Tank for 40 - 50 Gallon Hot Water Heaters
Thermal Expansion in a Water Heater
How To Install Water Heater Expansion Tank? Follow These Steps