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Check Valves & Backflow Preventers
Check valves and backflow preventers ensure unidirectional flow, safeguarding water quality.
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Showing 60 of 795 Results
Apollo® 6WC10AN1LF 910WB-LF Wafer Body Check Valve, 4 in Nominal
PN: 515235
UPC: 670750391767
MPN: 6WC10AN1LF
This product is obsolete. View replacement products.
Apollo® 6WC10CN1LF 910WB-LF Wafer Body Check Valve, 6 in Nominal
PN: 515237
UPC: 670750392085
MPN: 6WC10CN1LF
Spears® SML-4XP-A Utility Backwater Valve, 4 in Socket, PVC
PN: 751181
UPC: 054211179932
MPN: SML-4XP-A
Spears® 4529-015C CPVC Ball Check Valve, 1-1/2 in Nominal, 6-1/4 in Inlet to Outlet Length
PN: 56842
UPC: 54211385517
MPN: 4529-015C
AMES by WATTS® Colt™ 0191250 C300N-OSY-GPM 4 N-Pattern Detector Assembly, 4 in
PN: 43832
UPC: 737733002482
MPN: 0191250
Spears® 4529-020 PVC Ball Check Valve, 2 in Nominal, 7-7/8 in Inlet to Outlet Length
PN: 3076
UPC: 54211400319
MPN: 4529-020
Victaulic® V060716PE0 Vic-Check® 716 Check Valve, 6 in Nominal Size
PN: 40253
UPC: 688304109522
MPN: V060716PE0
AMES by WATTS® Colt™ 0191314 C500-OSY-GPM 4 Detector Assembly, 4 in
PN: 20696
UPC: 737733003120
MPN: 0191314
This product is obsolete. View replacement products.
Watts® 0388015 1 in Vacuum Breaker
PN: 3918
UPC: 98268597059
MPN: 0388015
This product is obsolete. View replacement products.
Spears® 4529-010C CPVC Ball Check Valve, 1 in Nominal, 5-3/16 in Inlet to Outlet Length
PN: 12277
UPC: 54211385494
MPN: 4529-010C
Jones Stephens™ B04300K 3 in Backwater Valve
PN: 14605
UPC: 717510943009
MPN: B04300K
This product is obsolete. View replacement products.
Apollo™ 6110401 Bronze Ball-Cone In-Line Check Valve, 3/4 in Nominal
PN: 85274
UPC: 670750632082
MPN: 6110401
Apollo™ 4ALF20002 Reduced Pressure Principle Backflow Preventer, 3 in Nominal
PN: 212929
UPC: 670750671227
MPN: 4ALF20002
AMES by WATTS® Colt™ 0191237 C300-OSY-GPM 3 Detector Assembly, 3 in
PN: 76286
UPC: 737733002352
MPN: 0191237
Spears® 2222-030 PVC Ball Check Valve, 3 in Nominal, 11-7/8 in Inlet to Outlet Length
PN: 150410
UPC: 054211502273
MPN: 2222-030
AMES by WATTS® Colt™ 0191239 C300-OSY-GPM 6 Detector Assembly, 6 in
PN: 76349
UPC: 737733002376
MPN: 0191239
Apollo™ 61YLF204T1PR Lead Free Bronze Y-Pattern Swing Check Valve, 3/4 in Nominal
PN: 244286
UPC: 670750686320
MPN: 61YLF204T1PR
Apollo™ 61YLF207T1PR Lead Free Bronze Y-Pattern Swing Check Valve, 1-1/2 in Nominal
PN: 308835
UPC: 670750686450
MPN: 61YLF207T1PR
Apollo™ 6110701 Bronze Ball-Cone In-Line Check Valve, 1-1/2 in Nominal Size
PN: 374996
UPC: 670750632211
MPN: 6110701
Victaulic® V040416XE0 416 Swing Check Valve Without Drain and Tap, 4 in Nominal Size
PN: 439384
UPC: 883481573696
MPN: V040416XE0
Apollo™ 3850201 Bronze Atmospheric Vacuum Breaker, 3/8 in Nominal
PN: 320073
UPC: 670750565762
MPN: 3850201
This product is obsolete. View replacement products.
Apollo™ 38LF314AS Brass Hose Connection Atmospheric Vacuum Breaker, 3/4 in Nominal
PN: 353387
UPC: 670750061127
MPN: 38LF314AS
1 - 60 of 795
Check valves and backflow preventers are essential components in fluid systems, ensuring unidirectional flow and preventing reverse flow that can lead to contamination. These devices safeguard water quality and system integrity in various applications, from residential plumbing to industrial processes. Reliable and efficient, they are crucial for maintaining operational safety and compliance with regulatory standards.