Amtrol® Radiant EXTROL® 143-381 RX Series Heating System Expansion Tank, 10.3 gal Capacity, 1 Acceptance, 2.5 gal Acceptance, 100 psi Pressure, Heavy Duty Butyl/EPDM Diaphragm, 15 in Dia x 19 in H

AM60RX MFG #: RX-60
  • Acceptance Capacity: 2.5 gal
  • Acceptance Factor: 1
  • Capacity: 10.3 gal
  • Country of Origin: US
  • Diameter: 15 in
  • Domestic/Import: Domestic
  • Finish: Urethane Topcoat
  • Height: 19 in
  • Manufacturer Name: Amtrol
  • Material: Steel
  • Pressure Rating: 100 psi
  • Series: RX Series
  • Temperature Rating: 200 deg F
Amtrol® designed and patented the first Extrol diaphragm expansion tank in 1954 to control system pressure and help reduce energy consumption in heating and chilled water systems. Over six decades later, Extrol is still the world's leading expansion tank brand, setting the standard for quality, reliability and innovation. All Extrol tanks are made in the USA at our ISO registered facilities by American workers dedicated to producing the highest quality expansion tanks in the world.
  • Features and More


  • Plastic lining is compatible with barrier and non-barrier tubing
  • Suitable for use in glycol applications
  • Automatic air vent eliminates system air
  • Air purger separates air from water
  • System connection sets the point of no pressure change
  • Water-tight reservoir for expanded water
  • Sealed air cushion-factory precharged and 100% tested
  • 12 psig factory precharged
  • Strong, deep-drawn steel tank
  • Projection welded air stem maintains precharge setting
  • 1/2 in NPTM steel system connection


  • High-Efficiency Radiant Heating Systems


  • ISO 9001-2008


  • 5 Years Limited