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A. O. Smith® Water Heater Expansion Tank 4.8 Gallons

Part 640590
MFG PART TW-12-1
Brand A. O. Smith
$103.46
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In lower 48 states
Non-returnable
Cannot be returned or exchanged
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About this item

  • A. O. Smith® Potable Water Expansion Tank
  • 4.8 Gal
  • For Water Heaters 50 To 100 Gallons
  • For Use On Closed Plumbing Systems Where Backflow Or Check Valves Are Present
  • Can Add Years To Life Of Water Heater - Helps Protect Plumbing System Including Toilets, Faucets And Appliances
  • 200°F Maximum Temperature
  • Certified For Potable Water Use
  • 0.75" MIP Threads
  • Mfg #TW-12-1