Glycol Autofill Units

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Glycol Autofill Units
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  • Summary
  • Applications

    HVAC systems using bladder and compression tanks up to 90 psi (621 kPa) cold-fill pressure

  • Description

    The Armstrong Glycol Auto-Fill Units provide automatic glycol make-up for HVAC systems. The specially molded mixing tank offers a compact package with built-in housing for controls and make-up pump

  • Materials

    Polypropylene (holding tank), bronze (pump, isolation and check valves), stainless steel/brass (fill ball valves)

  • Performance range

    Suitable for all bladder and compression tanks up to 90 psi (621 kPa) cold-fill pressure Higher cold-fill pressures available

  • Temperature

    Max fluid temp 140°F (60°C); max ambient temp 104°F (40°C)

Space efficient installation

  • Complete package and space-saving design for minimal footprint

Safe and reliable glycol handling

  • Large mixing tank, accommodating system overspill through safety valve and low fluid-level warning (Automatic cut-out switch monitors tank status and shuts down the pump in the event of critical mixture levels) 
  • Standardized, professional component sourcing and factory assembly for maximum lifetime performance 
  • Single source responsibility for best product lifetime support
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