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Watts Tanks Expansion
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Watts Non-Potable Expansion Tank, ASME Removable Heavy Duty Butyl Bladder, Tank Volume 264 Gallons

SKU: 0212021

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Product Details

Watts 0212021

This 264 gallon pressurized expansion tank is designed to absorb the expansion forces and control the pressure in heating and cooling systems. It is an ASME Section VIII removable bladder type precharged expansion tank. The excess water is contained in the heavy duty butyl replaceable bladder preventing tank corrosion and waterlogging problems. Maximum pressure is 125 psi (8.5 bar).


  • Finish Prime Painted
  • UPC 098268913439
  • Online Product ID 9689828
  • Diameter 36"
  • Listing ASME Approved
  • Air Precharge 12 psi
  • Air Valve yes
  • Bladder Material Butyl
  • Inlet Connection Size 1.5''
  • Inlet Connection Size Metric 40 mm
  • Inlet Thread Type NPT
  • Maximum Operating Temperature Deg F 240
  • Maximum Working Pressure Psi 125
  • Mount Type Free Standing
  • Orientation Vertical
  • Series ET-RA
  • Stand Included yes
  • Tank Height 74''
  • Tank Material Carbon Steel
  • Tank Volume 264 gal

Additional information

  • Heavy duty removable butyl bladder
  • Field adjustable
  • Precharged to 12 psi
  • Carbon steel shell
  • ASME Section VIII code construction

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