Approved Vendors - Swing Check Valve, 3 in, Comp, PVC

NIBCO® - Silent Check Valve, 5 in, Flange, Cast Iron

NIBCO® - Silent Check Valve, 3 in, Flange, Cast Iron

Victaulic® - Vic-Check® 716 Silent Check Valve, 2-1/2 in, Groove, Ductile Iron

Approved Vendors - Swing Check Valve, 2 in, Comp, PVC

Approved Vendors - Swing Check Valve, 1-1/2 in, Socket, PVC

Approved Vendors - Swing Check Valve, 1/2 in, Socket, PVC

Victaulic® - Vic-Check® 716 Silent Check Valve, 3 in, Groove, Ductile Iron

Approved Vendors - Spring Check Valve, 1-1/2 in, Socket, PVC

KD Navien® - Check Valve, For Use With NPE Seriesr, Polyoxymethylene