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Check Valves

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100 products

Caleffi 59894A Male Tail 1" NPT Check Valve Nut

SKU #: CALE59894A   |   MPN #: 59894A
$50.05
$50.05 $0.00
MSRP: $56.60

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

Caleffi 59893A 1/2" NPT Check Valve 5213

SKU #: CALE59893A   |   MPN #: 59893A
$26.98
$26.98 $0.00
MSRP: $26.98

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

Brass check valve assembly with black cylinder base and multiple inlet/outlet connections with black handles.

Caleffi 59469 Upstream check valve for 574050A

SKU #: CALE59469   |   MPN #: 59469
$56.21
$56.21 $0.00
MSRP: $68.20

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

Brass valve assembly with multiple connection ports, black cylindrical base, and adjustment knobs on top.

Caleffi 59470 Downstream check valve for 574050A

SKU #: CALE59470   |   MPN #: 59470
$59.27
$59.27 $0.00
MSRP: $72.50

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

Caleffi NA51361 1" NPT Inline Check Valve

SKU #: CALENA51361   |   MPN #: NA51361
$129.38
$129.38 $0.00
MSRP: $155

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

Caleffi NA16266LC 1" Press adapt w/1" union nut, check

SKU #: CALENA16266LC   |   MPN #: NA16266LC
$68.91
$68.91 $0.00
MSRP: $81.70

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

Brass expansion tank valve with gray cap and dual 1/2" PEX inlet connections on sides.

Caleffi 521348A 1/2" PEX exp, inlet check valves

SKU #: CALE521348A   |   MPN #: 521348A
$129.04
$129.04 $0.00
MSRP: $161

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

Brass expansion valve with gray cap and PEX barbed connections on three ports.

Caleffi 521358A 3/4" PEX exp, inlet check valves

SKU #: CALE521358A   |   MPN #: 521358A
$134.75
$134.75 $0.00
MSRP: $169

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

Caleffi Hydronic Solutions logo in green text on white background.

Caleffi 626600A Flow Switch 1" M NPT UL Listed

SKU #: CALE626600A   |   MPN #: 626600A
$248.60
$248.60 $0.00
MSRP: $312

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

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
$31.18
$31.18 $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
$34.04
$34.04 $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
$17.40
$17.40 $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
$17.99
$17.99 $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
$19.66
$19.66 $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
$29.43
$29.43 $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
$26.51
$26.51 $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
$161.87
$161.87 $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
$78.88
$78.88 $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
$140.65
$140.65 $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
$1,828.16
$1,828.16 $0.00
MSRP: $2,259

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

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