Did you know: Legionella bacteria grow best in water temperatures ranging from 95 to 120 degrees.

Armstrong AV-11/AV-13 Radiator Air Vents

AV-11/AV-13 Radiator Air Vents

For hot or cold water and non-viscous liquids

Air vent models AV-11 and AV-13 are compact float-type valves for the removal of air and other gases from hydronic heating and cooling systems, liquid chilling operations and other light liquid services.

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