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A.Y. McDonald
In-Line Cascading Dual Check Valve, 1-1/4 x 1 in, A.Y. McDonald
7411-3HE 54 INL CDCHK 1 METER SDLX1 FNPT-NL
KSC Part #: AY 5134-066    Mfg Part #: 5134-066
Your Price: $221.03 EA
Available
QTY:  
A.Y. McDonald
Dual Check Valve 3/4 in, A.Y. McDonald, Y-Pattern, Cast Brass
7411-3LK 33 INL CDCHK 3/4 K-SWVX3/4 K-MALE-NL
KSC Part #: AY 5134-067    Mfg Part #: 5134-067
Your Price: $225.73 EA
Available
QTY:  
A.Y. McDonald
A.Y. McDonald In-Line Dual Check Valve, 1 in Nominal, Y-Pattern
7411-3YE 44 INL CDCHK 1 YOKEX1 FNPT-NL
KSC Part #: AY 5134-068    Mfg Part #: 5134-068
Your Price: $222.82 EA
Available
QTY:  
A.Y. McDonald
Inline Dual Check, 5/8 x 3/4 in, A.Y. McDonald 7411
7411-3YE 23 INL CDCHK 5/8 YOKE x 3/4 FNPT - NL
KSC Part #: AY 5134-075    Mfg Part #: 5134-075
Your Price: $199.92 EA
Available
QTY:  
A.Y. McDonald
Inline Dual Check Valve, 5/8 x 3/4 in, A.Y. McDonald
7411-3JP 43 INL CDCHK 3/4 METER L/SDLX3/4 MNPT-NL
KSC Part #: AY 5134-076    Mfg Part #: 5134-076
Your Price: $199.65 EA
Available
QTY:  
A.Y. McDonald
A.Y. McDonald Inline Dual Check, Lead Free, 5/8 x 3/4 in
7411-3HP 43 INL CDCHK 3/4 METER SDLX3/4 MNPT-NL
KSC Part #: AY 5134-077    Mfg Part #: 5134-077
Your Price: $199.65 EA
Available
QTY:  
A.Y. McDonald
A.Y. McDonald Inline Dual Check Valve, 1 in Nominal, 711X
711X3HF 54 INLINE DLCHK - 1 METER x 1 FNPT - NL
KSC Part #: AY 5134-079    Mfg Part #: 5134-079
Your Price: $122.56 EA
Available
QTY:  
A.Y. McDonald
Dual Check Valve 1 x 1 in, A.Y. McDonald 5134-086, 175 psig
7112-4J2 54 ADCHK INLINE 1 MTR X 1 CTS -NL
KSC Part #: AY 5134-086    Mfg Part #: 5134-086
Your Price: $435.28 EA
Available
QTY:  
A.Y. McDonald
Dual Check Valve 5/8 x 1 in, A.Y. McDonald 5134-087, 175 psig
7112-3Y2 24 ADCHK INLINE 5/8 YOKE X 1 CTS -NL
KSC Part #: AY 5134-087    Mfg Part #: 5134-087
Your Price: $283.83 EA
Available
QTY:  
A Y MCDONALD MFG CO
7111-3HE 54 ACC DCHK 1 METERx1 FNPT-NL
KSC Part #: AY 5134-088    Mfg Part #: 5134-088
Your Price: $264.24 EA
Available
QTY:  
A Y MCDONALD MFG CO
7111-3JE 54 ACC DCHK 1 METERx1 FNPT-NL
KSC Part #: AY 5134-089    Mfg Part #: 5134-089
Your Price: $264.24 EA
Available
QTY:  
A.Y. McDonald
Angle Check Valve, 5/8 x 1 in, A.Y. McDonald, Brass
712-4YR 24 ANGLE DLCHK 5/8 YOKEx1 FLARE-NL
KSC Part #: AY 5135-002    Mfg Part #: 5135-002
Your Price: $401.29 EA
Available
QTY:  
A.Y. McDonald
A.Y. McDonald Angle Check Valve, 3/4 x 1 in, Brass, 175 psig
712-4YR 34 ANGLE DLCHK 3/4 YOKEx1 FLARE-NL
KSC Part #: AY 5135-003    Mfg Part #: 5135-003
Your Price: $401.29 EA
Available
QTY:  
A.Y. McDonald
Angle Check Valve, 5/8 x 1 in, A.Y. McDonald, Brass Body
712-4YQ 24 ANGLE DLCHK 5/8 YOKEx1 CTS-NL
KSC Part #: AY 5135-004    Mfg Part #: 5135-004
Your Price: $404.83 EA
Available
QTY:  
A.Y. McDonald
Angle Check Valve, 3/4 x 1 in, A.Y. McDonald, Brass Body
712-4YQ 34 ANGLE DLCHK 3/4 YOKEx1 CTS-NL
KSC Part #: AY 5135-005    Mfg Part #: 5135-005
Your Price: $404.83 EA
Available
QTY:  
A.Y. McDonald
A.Y. McDonald Angle Check Valve, 5/8 x 1 in, Brass Body, 175 psig
712-4Y2 24 ANGLE DLCHK 5/8 YOKEx1 CTS-NL
KSC Part #: AY 5135-006    Mfg Part #: 5135-006
Your Price: $404.83 EA
Available
QTY:  
A.Y. McDonald
A.Y. McDonald Angle Check Valve, 3/4 x 1 in, Brass Body
712-4Y2 34 ANGLE DLCHK 3/4 YOKEx1 CTS-NL
KSC Part #: AY 5135-007    Mfg Part #: 5135-007
Your Price: $404.83 EA
Available
QTY:  
A.Y. McDonald
Angle Check Valve, Dual, 5/8 x 1 in, A.Y. McDonald
712-4YT 24 ANGLE DLCHK 5/8 YOKEx1 CTS-NL
KSC Part #: AY 5135-008    Mfg Part #: 5135-008
Your Price: $404.83 EA
Available
QTY:  
A.Y. McDonald
Angle Check Valve, 3/4 x 1 in, A.Y. McDonald, Brass Body
712-4YT 34 ANGLE DLCHK 3/4 YOKEx1 CTS-NL
KSC Part #: AY 5135-009    Mfg Part #: 5135-009
Your Price: $404.83 EA
Available
QTY:  
A.Y. McDonald
A.Y. McDonald In-Line Dual Check Valve, 1-1/4 in, Cast Brass
711-4HB 55 INLINE DLCHK 1 METERx1 MMTR-NL
KSC Part #: AY 5135-012    Mfg Part #: 5135-012
Your Price: $389.87 EA
Available
QTY:  
A.Y. McDonald
1 in In-Line Dual Check Valve, 175 psig, A.Y. McDonald
711-4JB 55 INLINE DLCHK 1 METERx1 MMTR-NL
KSC Part #: AY 5135-013    Mfg Part #: 5135-013
Your Price: $389.87 EA
Available
QTY:  
A.Y. McDonald
In-Line Angle Dual Check Valve, 3/4 x 1 in, A.Y. McDonald
712W3YT 34 ADLCHK W/PDN 3/4 YOKEx1 CTS-NL
KSC Part #: AY 5135-018    Mfg Part #: 5135-018
Your Price: $317.41 EA
Available
QTY:  
A.Y. McDonald
A.Y. McDonald In-Line Angle Dual Check Valve, 3/4 in, Brass Body
7112-3HE 33 ADCK ICK 5/8 METERx3/4 FNPT-NL
KSC Part #: AY 5135-019    Mfg Part #: 5135-019
Your Price: $222.89 EA
Available
QTY:  
A.Y. McDonald
A.Y. McDonald In-Line Angle Dual Check Valve, 1 x 3/4 in, Brass
7112-3HE 43 ADCK ICK 3/4 METERx3/4 FNPT-NL
KSC Part #: AY 5135-020    Mfg Part #: 5135-020
Your Price: $222.89 EA
Available
QTY:  
A.Y. McDonald
In-Line Angle Dual Check Valve, 1x3/4 in, A.Y. McDonald Brass
7112-3HQ 43 ADCK ICK 3/4 METERx3/4 CTS-NL
KSC Part #: AY 5135-021    Mfg Part #: 5135-021
Your Price: $251.51 EA
Available
QTY:  
A.Y. McDonald
A.Y. McDonald Dual Check Valve, 1 x 3/4 in, Brass, 175 psig
7112-3HR 43 ADCK ICK 3/4 METERx3/4 FLR-NL
KSC Part #: AY 5135-022    Mfg Part #: 5135-022
Your Price: $250.00 EA
Available
QTY:  
A.Y. McDonald
In-Line Angle Dual Check Valve, 5/8 x 3/4 in, A.Y. McDonald, Brass
7112-3YE 23 ADCHK INLCK 5/8 YOKEx3/4 FNPT-NL
KSC Part #: AY 5135-023    Mfg Part #: 5135-023
Your Price: $214.42 EA
Available
QTY:  
A.Y. McDonald
A.Y. McDonald In-Line Angle Dual Check Valve, 3/4 in, 175 psig, Brass
7112-3YE 33 ADCHK INLCK 3/4 YOKEx3/4 FNPT-NL
KSC Part #: AY 5135-024    Mfg Part #: 5135-024
Your Price: $214.42 EA
Available
QTY:  
A.Y. McDonald
In-Line Angle Dual Check Valve, 5/8 x 3/4 in, A.Y. McDonald
7112-3YQ 23 ADCHK INLNCK 5/8 YOKEx3/4 CTS-NL
KSC Part #: AY 5135-025    Mfg Part #: 5135-025
Your Price: $261.07 EA
Available
QTY:  
A.Y. McDonald
A.Y. McDonald In-Line Angle Dual Check Valve, 3/4 in, Brass Body
7112-3YQ 33 ADCHK INLNCK 3/4 YOKEx3/4 CTS-NL
KSC Part #: AY 5135-026    Mfg Part #: 5135-026
Your Price: $261.07 EA
Available
QTY:  
A.Y. McDonald
A.Y. McDonald In-Line Angle Dual Check Valve, 5/8 x 3/4 in
7112-3YR 23 ADCHK INLNCK 5/8 YOKEx3/4 FLR-NL
KSC Part #: AY 5135-027    Mfg Part #: 5135-027
Your Price: $258.55 EA
Available
QTY:  
A.Y. McDonald
In-Line Angle Dual Check Valve, 3/4 in, A.Y. McDonald, Brass, 175 psig
7112-3YR 33 ADCHK INLNCK 3/4 YOKEx3/4 FLR-NL
KSC Part #: AY 5135-028    Mfg Part #: 5135-028
Your Price: $258.55 EA
Available
QTY:  
A.Y. McDonald
A.Y. McDonald In-Line Angle Dual Check Valve, 3/4 x 1 in
7112-3YQ 34 ADCHK INLNCK 3/4 YOKE x 1 CTS-NL
KSC Part #: AY 5135-029    Mfg Part #: 5135-029
Your Price: $283.83 EA
Available
QTY:  
A.Y. McDonald
In-Line Angle Dual Check Valve, Brass, A.Y. McDonald
7112-3HE 54 ADCHK ICK 1 METERx1 FNPT-NL
KSC Part #: AY 5135-030    Mfg Part #: 5135-030
Your Price: $252.94 EA
Available
QTY:  
A.Y. McDonald
In-Line Angle Dual Check Valve, 1 in, A.Y. McDonald
7112-3YE 44 ADCHK INLNCK 1 YOKE x 1 FNPT-NL
KSC Part #: AY 5135-031    Mfg Part #: 5135-031
Your Price: $237.19 EA
Available
QTY:  
A.Y. McDonald
In-Line Angle Dual Check Valve, 1-1/4 x 1 in, Brass, A.Y. McDonald
7112-4HE 54 ADCHK INLNCK 1 METERx1 FNPT-NL
KSC Part #: AY 5135-032    Mfg Part #: 5135-032
Your Price: $386.78 EA
Available
QTY:  
A.Y. McDonald
In-Line Angle Dual Check Valve, 1-1/4 x 1 in, A.Y. McDonald
7112-4HR 54 ADCHK INLNCK 1 METERx1 FLR-NL
KSC Part #: AY 5135-033    Mfg Part #: 5135-033
Your Price: $432.44 EA
Available
QTY:  
A.Y. McDonald
In-Line Angle Dual Check Valve, 1-1/4 x 1 in, A.Y. McDonald
7112-4HQ 54 ADCHK INLNCK 1 METERx1 CTS-NL
KSC Part #: AY 5135-034    Mfg Part #: 5135-034
Your Price: $435.98 EA
Available
QTY:  
A.Y. McDonald
A.Y. McDonald In-Line Angle Dual Check Valve, 1 in, Brass Body
7112-4YE 44 ADCHK INLNCK 1 YOKE x 1 FNPT-NL
KSC Part #: AY 5135-035    Mfg Part #: 5135-035
Your Price: $381.54 EA
Available
QTY:  
A.Y. McDonald
Angle Dual Check Valve, 1 in, A.Y. McDonald
7112-4YR 44 ADCHK INLNCK 1 YOKEx1 FLARE-NL
KSC Part #: AY 5135-036    Mfg Part #: 5135-036
Your Price: $418.26 EA
Available
QTY:  
A.Y. McDonald
A.Y. McDonald Dual Check Valve, 1 in Nominal, Brass Body
7112-4YQ 44 ADCHK INLNCK 1 YOKE x 1 CTS-NL
KSC Part #: AY 5135-037    Mfg Part #: 5135-037
Your Price: $421.81 EA
Available
QTY:  
A.Y. McDonald
A.Y. McDonald In-Line Angle Dual Check Valve, 1 x 3/4 in, Brass Body
7112-3HT 43 ADCK ICK 3/4 METERx3/4 CTS-NL
KSC Part #: AY 5135-038    Mfg Part #: 5135-038
Your Price: $251.51 EA
Available
QTY:  
A.Y. McDonald
A.Y. McDonald In-Line Angle Dual Check Valve, 1 x 3/4 in, Brass
7112-3H2 43 ADCHK ICK 3/4 METERx3/4 CTS-NL
KSC Part #: AY 5135-039    Mfg Part #: 5135-039
Your Price: $251.51 EA
Available
QTY:  
A.Y. McDonald
A.Y. McDonald In-Line Angle Dual Check Valve, 5/8 x 3/4 in, Brass
7112-3YT 23 ADCHK INLNCK 5/8 YOKEx3/4 CTS-NL
KSC Part #: AY 5135-040    Mfg Part #: 5135-040
Your Price: $261.07 EA
Available
QTY:  
A.Y. McDonald
A.Y. McDonald In-Line Angle Dual Check Valve, 5/8 x 3/4 in, Brass
7112-3Y2 23 ADCHK INLNCK 5/8 YOKEx3/4 CTS-NL
KSC Part #: AY 5135-041    Mfg Part #: 5135-041
Your Price: $261.07 EA
Available
QTY:  
A.Y. McDonald
A.Y. McDonald In-Line Angle Dual Check Valve, 3/4 in Nominal, Brass
7112-3YT 33 ADCHK INLNCK 3/4 YOKEx3/4 CTS-NL
KSC Part #: AY 5135-042    Mfg Part #: 5135-042
Your Price: $261.07 EA
Available
QTY:  
A.Y. McDonald
In-Line Angle Dual Check Valve, 3/4 in, A.Y. McDonald
7112-3Y2 33 ADCHK INLNCK 3/4 YOKEx3/4 CTS-NL
KSC Part #: AY 5135-043    Mfg Part #: 5135-043
Your Price: $261.07 EA
Available
QTY:  
A.Y. McDonald
In-Line Angle Dual Check Valve, 3/4 x 1 in, A.Y. McDonald
7112-3YT 34 ADCHK INLNCK 3/4 YOKE x 1 CTS-NL
KSC Part #: AY 5135-044    Mfg Part #: 5135-044
Your Price: $283.83 EA
Available
QTY:  
A.Y. McDonald
In-Line Angle Dual Check Valve, A.Y. McDonald, Brass, 175 psig
7112-3Y2 34 ADCHK INLNCK 3/4 YOKE x 1 CTS-NL
KSC Part #: AY 5135-045    Mfg Part #: 5135-045
Your Price: $283.83 EA
Available
QTY:  
A.Y. McDonald
A.Y. McDonald In-Line Angle Dual Check Valve, 1-1/4 x 1 in
7112-4HT 54 ADCHK INLNCK 1 METERx1 CTS-NL
KSC Part #: AY 5135-046    Mfg Part #: 5135-046
Your Price: $435.98 EA
Available
QTY: