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)

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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