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Watts Tanks Expansion
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Watts 1 In Combination Boiler Trim Out Package With 4.5 Gallon Expansion Tank

SKU: 0235087

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Product Details

Watts 0235087

This combination boiler trim-out package is designed for use on commercial and residential closed loop hydronic heating systems. It consists of an expansion tank, model ETX-30, 1'' cast iron air separator, and a 1/8'' automatic air vent valve, model FV4-M1. This package provides an economical solution for buying boiler components.


  • Finish Gray
  • UPC 098268340198
  • Online Product ID 9689920
  • Diameter 11"
  • Air Precharge 12 psi
  • Air Valve yes
  • Bladder Material Butyl
  • Inlet Connection Size 0.5''
  • Inlet Connection Size Metric 15 mm
  • Inlet Connection Type Male Threaded
  • Inlet Thread Type NPT
  • Maximum Operating Temperature Deg F 220
  • Maximum Working Pressure Psi 75
  • Mount Type Pipe
  • Orientation Horizontal,Vertical
  • Series ETX-ASF
  • Tank Acceptance 2.5 gal
  • Tank Height 14''
  • Tank Material Carbon Steel
  • Tank Volume 4.5 gal

Additional information

  • AS air separator
  • For closed loop hydronic heating systems
  • Float vent valve
  • 4.5 gal expansion tank

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