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Watts 4.5 Gal. Ld Free Potable Wtr Expansion Tank, Stnls Steel Nipple

Part 275978
MFG PART 67371
Brand Watts
$96.79
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About this item

  • Watts 4.5 Gal. Ld Free Potable Wtr Expansion Tank, Stnls Steel Nipple
  • Prevents Over-Pressure Caused By Thermal Expansion
  • Air pre-charge at 20 psi
  • 3/4 in. male connection
  • Butyl rubber diaphragm
  • Absorbs the increased volume of water created by thermal expansion
  • Prevents air-to-water contact in the tank
  • 150 psi maximum pressure
  • Keeps system pressure below the T and P relief valve setting
  • Ensures long system life
  • Can be used in gas, oil, and residential heater/hot water applications
  • Mfg #67371