Check Valves & Backflow Preventers

Filters

Shop Check Valves & Backflow Preventers

Backflow Preventers

Check Valves & Backflow Preventer Accessories

In-Line Check Valves

Specialty Check Valves

Swing Check Valves

Search within category

: Stocked Items Only
: Approved Vendor (2)
AQUA-DYNAMIC (1)
Belanger® (1)
BMI® (1)
Boshart Industries (5)
BURCAM (4)
Canature WaterGroup | Duro® (1)
LynCar (1)
MAINLINE (4)
Seal Well Products® (1)
WATTS® (7)
: Copper Silicon Alloy (1)
ABS Plastic (1)
ABS (3)
Brass (4)
Brass/Bronze (2)
: FNPT (1)
Threaded (1)
FIP (1)
Union Female Threaded x Union Joint (1)
: Canada (2)
TAIWAN (2)
US (8)
: 3 in (1)
4 in (1)
6 in (1)
1-1/2 in (2)
1-1/4 in (2)
2 in (2)
1 in (1)
1/2 in (2)
3/4 in (5)

Filters

28 Products

Sort by

content loaded

mlfp-6122 image 1

MAINLINE MLFP-6122 6X12 2 2-HOLE FACE PLATE

MFR Part #: MFR Part # MLFP-6122

SKU #: SKU #1310866

U/M

QTY

Compare

mainline mlfp-6123 image 1

MAINLINE MLFP-6123 6X12 FACEPLATE - TWO 3IN HOLES

MFR Part #: MFR Part # MLFP-6123

SKU #: SKU #1178522

U/M

QTY

Compare

lyncar 29114 image 1

LYNCAR 29114 SUMP PUMP CHECK VALVE 1-1/2IN

MFR Part #: MFR Part # 29114

SKU #: SKU #1306385

U/M

QTY

Compare

boshart 17ybcv075nl image 1

BOSHART 17YBCV075NL 3/4 SPRING CHECK VALVE BRASS LF

MFR Part #: MFR Part # 17YBCV075NL

SKU #: SKU #1283569

U/M

QTY

Compare

mainline mlfp-663 image 1

MAINLINE MLFP-663 6X6 FACEPLATE - SINGLE 3IN HOLE

MFR Part #: MFR Part # MLFP-663

SKU #: SKU #1178523

U/M

QTY

Compare

watts 0072204 image 3

WATTS 0072204 LF7RU2 3/4 DUAL CHECK VALVE

MFR Part #: MFR Part # 0072204

SKU #: SKU #1203862

U/M

QTY

Compare

750760 image 1

BURCAM 750760 3/4 LF BRASS SPRING CHECK VALVE

MFR Part #: MFR Part # 750760

SKU #: SKU #1154895

U/M

QTY

Compare

mainline ml-fr4 image 1

MAINLINE ML-FR4 4 FIO-DRAIN VLV

MFR Part #: MFR Part # ML-FR4

SKU #: SKU #1203161

U/M

QTY

Compare

1191-004 image 1

SCHULTZ 1191-004 SWING CHECK VALVE 3/4 BRS THREAD LEAD FREE

MFR Part #: MFR Part # 1191-004

SKU #: SKU #0125163

U/M

QTY

Compare

OATEY B81-703 3 BACK FLOW PREVENTER SQUEEZE IN

OATEY B81-703 3 BACK FLOW PREVENTER SQUEEZE IN

MFR Part #: MFR Part # B81-703

SKU #: SKU #1301483

U/M

QTY

Compare

pvc dwv backwater valve image 1

6 INLINE PVC DWV BACKWATER VALVE

MFR Part #: MFR Part # BACKWATER VALVE

SKU #: SKU #1303765

U/M

QTY

Compare

ADAPTOCHECK WATERGROUP 60503

ADAPTOCHECK WATERGROUP 60503

MFR Part #: MFR Part # 60503

SKU #: SKU #1212937

U/M

QTY

Compare

BMI 14325 3/4 IP 200WOG LEAD FREE SWING CHECK VALVE

BMI 14325 3/4 IP 200WOG LEAD FREE SWING CHECK VALVE

MFR Part #: MFR Part # 14325

SKU #: SKU #1225104

U/M

QTY

Compare

boshart 17ybcv050nl image 1

BOSHART 17YBCV050NL 1/2 SPRING CHECK VALVE LF BRASS

MFR Part #: MFR Part # 17YBCV050NL

SKU #: SKU #1306994

U/M

QTY

Compare

boshart bsc-125-sb image 1

BOSHART BSC-125-SB 1-1/4 SUMP PUMP CHECK VALVE

MFR Part #: MFR Part # BSC-125-SB

SKU #: SKU #1217145

U/M

QTY

Compare

bsc-150-sb image 1

BOSHART BSC-150-SB 1-1/2 RUBBER CHECK VALVE

MFR Part #: MFR Part # BSC-150-SB

SKU #: SKU #1217144

U/M

QTY

Compare

boshart bsc-200-sb image 1

BOSHART BSC-200-SB 2 SUMP PMP CHK VLV

MFR Part #: MFR Part # BSC-200-SB

SKU #: SKU #1212046

U/M

QTY

Compare

450457 image 1

BURCAM 450457 SEWAGE CHECK VALVE

MFR Part #: MFR Part # 450457

SKU #: SKU #1140034

U/M

QTY

Compare

750761 image 1

BURCAM 750761 1 LF BRASS CHECK VALVE FOR DRINKABLE WATER

MFR Part #: MFR Part # 750761

SKU #: SKU #1140039

U/M

QTY

Compare

750762 image 1

BURCAM 750762 1-1/4 BRONZE CHECK VLV

MFR Part #: MFR Part # 750762

SKU #: SKU #1154896

U/M

QTY

Compare

b81-704 image 1

OATEY B81-704 4 BACK FLOW PREVENTER SQUEEZE IN

MFR Part #: MFR Part # B81-704

SKU #: SKU #1301484

U/M

QTY

Compare

watts 0062020 image 1

WATTS 0062020 007M3-QT 3/4 DOUBLE CHECK VALVE BACK FLOW PREVENTOR

MFR Part #: MFR Part # 0062020

SKU #: SKU #1205660

U/M

QTY

Compare

watts 9dm3 image 1

WATTS 0062025 9D-M3-CAN 1/2 FIP BACK FLOW PREVENTOR

MFR Part #: MFR Part # 9DM3

SKU #: SKU #1203897

U/M

QTY

Compare

watts 0062026 image 1

WATTS 0062026 9D-M2-CAN 3/4 FIP BACK FLOW PREVENTOR

MFR Part #: MFR Part # 0062026

SKU #: SKU #1200325

U/M

QTY

Compare

watts 0062131 image 1

WATTS 0062131 007-QT 1/2 DOUBLE CHECK VALVE BACK FLOW PREVENTOR

MFR Part #: MFR Part # 0062131

SKU #: SKU #1203717

U/M

QTY

Compare

watts 0062306 image 1

WATTS 0062306 007M1-QT 1 DOUBLE CHECK VALVE BACK FLOW PREVENTOR

MFR Part #: MFR Part # 0062306

SKU #: SKU #1203718

U/M

QTY

Compare

watts 0062427 image 1

WATTS 0062427 007M1-QT 2 DOUBLE CHECK VALVE BACK FLOW PREVENTOR

MFR Part #: MFR Part # 0062427

SKU #: SKU #1203728

U/M

QTY

Compare

BOSHART 17YBCV100NL 1IN FIP LEAD-FREE BRASS SPRING CHECK VALVE

BOSHART 17YBCV100NL 1IN FIP LEAD-FREE BRASS SPRING CHECK VALVE

MFR Part #: MFR Part # 17YBCV100NL

SKU #: SKU #1689012

U/M

QTY

Compare