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Double insulation and has IP44 ingress protection
Heavy duty steel riveted joints to withstand high levels of load
rooftop units
Take it to the PRO level
indicating when to close the valves and stop the charge
Caleffi 502043A MINICAL™ Automatic Air Vent with Hygroscopic Anti-Drip Cap, 1/2" MNPT MM325 Double insulation and has IP44Caleffi 502043A MINICAL Automatic Air Vent with Hygroscopic Anti Drip Cap, 1 2" MNPT Automatic air vents are designed to remove trapped air that accumulates in heating and air conditioning systems automatically. Air removal enhances performance and life of a system by reducing the affects of: corrosion due to the oxygen pockets of air trapped in the heating emitters cavitation in the circulation pumps PERFORMANCE Medium: Water and glycol solution Max.
