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ARMSTRONG 1-1/2" BRASS CIRCUIT BALANCING VALVE CBV11/2T 570109-344
Armstrong Hard Flanged Circuit Balancing Valve CBV-SF - Straight Design
ARMSTRONG 1-1/4" BRASS CIRCUIT BALANCING VALVE PN16
ARMSTRONG 1-1/2" BRASS CIRCUIT BALANCING VALVE CBV11/2T 570109-344
NEW Armstrong Pumps CBV-2 2" Hydronic Circuit Balancing Valve | eBay