Caleffi Automatic Air Vent 501502A 34 Inch NPT Brand new in Original Box
Specifications:
The Caleffi Hydronic Solutions MAXCAL 501502A is an extra high-capacity automatic float-type air vent featuring a 3/4-inch NPT female connection. It handles heavy air discharge in large commercial or industrial hydronic heating and cooling systems, and serves as a direct replacement vent for Caleffi NA548 and NA549 hydro separators.
