Honeywell PV125 SuperVent Air Eliminator with 1-1/4in NPT

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PV125 Honeywell 1-1/4" NPT SuperVent Air Eliminator The Honeywell SuperVent, purges air through a no clog vent assembly, to control dirt and debris and minimize air vent fouling in Hydronic heating systems, while eliminating the need for bleeding.