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Collection: Check Valves

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93 products

Brass 3/4" sweat fitting with integrated check valve and white internal component.

Caleffi 59905A 3/4" SWT Fitting w/check

SKU #: CALE59905A   |   MPN #: 59905A

Regular price $31.18
Sale price $31.18 Regular price $0.00
MSRP: $31.50

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass check valve with female NPT connection on left and male NPT threads on right, white internal component visible.

Caleffi 59840A 3/4" NPT Check Valve 5211- 3

SKU #: CALE59840A   |   MPN #: 59840A

Regular price $34.04
Sale price $34.04 Regular price $0.00
MSRP: $35.30

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass check valve with 1/8" male threaded connection and white cartridge insert on top.

Caleffi 59474A Check Valve 1/8" (502610)

SKU #: CALE59474A   |   MPN #: 59474A

Regular price $17.40
Sale price $17.40 Regular price $0.00
MSRP: $17.40

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass check valve with 1/4" male threaded connection and white internal component.

Caleffi 59804A Check Valve 1/4" (502620)

SKU #: CALE59804A   |   MPN #: 59804A

Regular price $17.99
Sale price $17.99 Regular price $0.00
MSRP: $17.99

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass check valve with 1/2" NPT male thread and white internal disc component.

Caleffi 561402A Discal Check Valve 1/2" NPT

SKU #: CALE561402A   |   MPN #: 561402A

Regular price $19.66
Sale price $19.66 Regular price $0.00
MSRP: $19.66

Special Order. Expect 4-6 weeks for delivery, subject to change

White plastic valve body with brass spring mechanism and dark rubber seal ring visible in cross-section.

Caleffi 59979 Downstream check valve for 574004A

SKU #: CALE59979   |   MPN #: 59979

Regular price $29.43
Sale price $29.43 Regular price $0.00
MSRP: $30.70

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass and steel upstream check valve with spring mechanism and white elastomer seal rings.

Caleffi 59977 Upstream check valve for 574004A

SKU #: CALE59977   |   MPN #: 59977

Regular price $26.51
Sale price $26.51 Regular price $0.00
MSRP: $26.60

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass expansion tank valve with gray cap, two side outlets and bottom inlet connection for PEX tubing.

Caleffi 521368A 1" PEX exp, inlet check valves

SKU #: CALE521368A   |   MPN #: 521368A

Regular price $161.87
Sale price $161.87 Regular price $0.00
MSRP: $207

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass inline flow check valve with sweat connections and hexagonal union nut.

Caleffi NA51069 Inline Flow Check 1" SWT

SKU #: CALENA51069   |   MPN #: NA51069

Regular price $78.88
Sale price $78.88 Regular price $0.00
MSRP: $90.60

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass inline check valve with NPT threaded connection on one end and female socket on the other, labeled with Caleffi brand m

Caleffi NA51371 1-1/4" NPT Inline Check Valve

SKU #: CALENA51371   |   MPN #: NA51371

Regular price $140.65
Sale price $140.65 Regular price $0.00
MSRP: $170

Special Order. Expect 4-6 weeks for delivery, subject to change

Blue 4" flanged check valve with stainless steel internals, bolted flanges top and bottom, lever operator on side.

Zoeller Pumps 4" Stainless Steel Flanged Check Valve

SKU #: ZOE6030-0203   |   MPN #: 6030-0203

Regular price $1,828.16
Sale price $1,828.16 Regular price $0.00
MSRP: $2,259

Special Order. Expect 4-6 weeks for delivery, subject to change

Legend Valve 105-107NL Swing Check Valve 1-1/2 Inch Brass 20 Pack

Legend Valve 105-107NL Swing Check Valve 1-1/2 Inch Brass 20 Pack

SKU #: LEG112SWIP   |   MPN #: 105-107NL

Regular price From $68.03
Sale price From $68.03 Regular price $0.00
MSRP: $107.74

Available in stock

Legend Valve 105-104NL Swing Check Valve 3/4 Inch FNPT Brass - 1 Pack

Legend Valve 105-104NL Swing Check Valve 3/4 Inch FNPT Brass - 1 Pack

SKU #: LEG34SWIP   |   MPN #: 105-104NL

Regular price From $26.53
Sale price From $26.53 Regular price $0.00
MSRP: $36.90

Available in stock

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