HVAC systems using bladder and compression tanks up to 90 psi (621 kPa) cold-fill pressure
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
Polypropylene (holding tank), bronze (pump, isolation and check valves), stainless steel/brass (fill ball valves)
Max fluid temp 140°F (60°C); max ambient temp 104°F (40°C)
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4302 dualArm Pumps
4312 Twin Pumps
4392 Twin Pumps
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