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Check Valves and Backflow Preventers

71 Results Found that Include 256 Products 

 |  Results per page: 16 | 32 | 48

Dual Check, Atmospheric Vent Backflow Preventer

WATTS

Multiple product options available

Backflow Preventer Repair Kit

WATTS

Multiple product options available

Vacuum Breaker

WATTS

Multiple product options available

Anti-Siphon Backflow Preventer

WATTS

Multiple product options available

Carbonated Beverage Backflow Preventer

WATTS

Multiple product options available

Reduced Pressure Zone Backflow Preventer

WATTS

Multiple product options available

Relief Valve Repair Kit

WATTS

Multiple product options available

Air Gap, 3/4 to 1 In, NPT, Use w/Series 909

WATTS

Grainger Item # 1KYA3 | Mfr. Model # 909 AGC

Catalog Page # 4064 (PDF)

Air Gap, For Use With Series 909, 3/4 In. to 1 In., Size 3/4 In. to 1 In., Connection Type NPT, Length 4-7/8...More

Air Gap, 1/4 to 1/2 In, Use w/Series 909

WATTS

Grainger Item # 1KYE8 | Mfr. Model # 909 AGA

Catalog Page # 4064 (PDF)

Air Gap, For Use With Series 909, 1/4 In. to 1/2 In., Size 1/4 In. to 1/2 In., Connection Type NPT, Length...More

Double Check Valve Assembly

WATTS

Multiple product options available

Lab Faucet Dual Check Vacuum Breaker

WATTS

Multiple product options available

Total Relief Kit

WATTS

Multiple product options available

First Check Valve Repair Kit

WATTS

Multiple product options available

Vacuum Breaker Repair Kit

WATTS

Multiple product options available

Air Gap, 1-1/4 to 3 In, Use w/Series 909

WATTS

Grainger Item # 1KYF1 | Mfr. Model # 909 AGF

Catalog Page # 4064 (PDF)

Air Gap, For Use With Series 909, 1-1/4 In. to 3 In., Size 1-1/4 In. to 3 In., Connection Type NPT, Length...More

Second Check Valve Repair Kit

WATTS

Multiple product options available

Test Cock, 1/2 In, Use w/Watts Series TC

WATTS

Grainger Item # 6AUX7 | Mfr. Model # TC 1/2

Catalog Page # 4065 (PDF)

Test Cock, For Use With Watts Series TC, 1/2 In., Size 1/2 In., Connection Type NPT, Length 9-5/8 In., Width...More

Check Valve, Polysulfone, 1/2 In

WATTS

Grainger Item # 1DAT2 | Mfr. Model # 3540B-10

Catalog Page # 3913 (PDF)

Check Valve, Material of Construction Polysulfone, Size 1/2 In., Connection Type Push, Length 3-5/16 In.,...More

Dual Check Valve Backflow Preventer, 3/4

WATTS

Grainger Item # 5AJ89 | Mfr. Model # 912-HP 3/4"

Catalog Page # 4068 (PDF)

Dual Check Valve, Material of Construction Brass, Size 3/4 In., Connection Type FNPT x MNPT, Length 9-3/16...More

Double Check Valve Repair Kit

WATTS

Multiple product options available

Dual Check Vacuum Breaker, 3/8 In., FIP

WATTS

Grainger Item # 5DMJ5 | Mfr. Model # 3/8 LF N9C - 3/8"

Catalog Page # 4063 (PDF)

Dual Check Vacuum Breaker, Size 3/8 In., Connection Type FIP, Material of Construction Chrome, Max. Pressure...More

Backflow Preventer Test Kit, 5 Valves

WATTS

Grainger Item # 5AJ67 | Mfr. Model # TK-99E

Catalog Page # 4064 (PDF)

Backflow Preventer Test Kit, 5 Valve, Includes Analog Test Gauge, (3) Test Valves, (12) Hose Adapters, (3) 6...More

Backflow Preventer Test Kit, 3 Valves

WATTS

Grainger Item # 1KYB6 | Mfr. Model # TK-9A

Catalog Page # 4064 (PDF)

Backflow Preventer Test Kit, 3 Valve, Includes Analog Test Gauge, (3)Test Valves, (9) Hose Adapters, (3) 3...More

Cap, 1/8 In, Use w/Watts Series SAE-TC

WATTS

Grainger Item # 6AUY2 | Mfr. Model # SAE-TC Plastic Cap 1/8 SAE

Catalog Page # 4064 (PDF)

Cap, For Use With Watts Series SAE-TC, 1/8 In. SAE, Size 1/8 In., Connection Type SAE, Material of...More

Flow Check Valve, 3/4 In, FNPT, Cast Iron

WATTS

Grainger Item # 4A813 | Mfr. Model # 2000 3/4"

Catalog Page # 4058 (PDF)

Flow Check Valve, Material of Construction Cast Iron, Size 3/4 In., Length 4-1/8 In., Mounting Position...More

Flow Check Valve, 1-1/4 In, FNPT, Cast Iron

WATTS

Grainger Item # 4A815 | Mfr. Model # 2000 1 1/4"

Catalog Page # 4058 (PDF)

Flow Check Valve, Material of Construction Cast Iron, Size 1-1/4 In., Length 4-3/4 In., Mounting Position...More

Anti-Siphon Vacuum Breaker

WATTS

Multiple product options available

Flow Check Valve, 3/4 In, Sweat, Bronze

WATTS

Grainger Item # 4A816 | Mfr. Model # 2000S 3/4

Catalog Page # 4058 (PDF)

Flow Check Valve, Material of Construction Bronze, Size 3/4 In., Length 3 In., Mounting Position Horizontal,...More

Test Cock, 1/4 In, Use w/Backflow Prevent

WATTS

Grainger Item # 46A951 | Mfr. Model # 1/4 LF-TC

Catalog Page # 4065 (PDF)

Test Cock, For Use With Watts Series LF-TC, 1/4 In., Size 1/4 In., Connection Type NPT, Material of...More

Spill Resistant Vacuum Breaker

WATTS

Multiple product options available

Hose Connection Vacuum Breaker

WATTS

Multiple product options available

Test Cock, 1/8 In, Use w/Backflow Prevent

WATTS

Grainger Item # 46A955 | Mfr. Model # 1/8 LF-NPT-TC

Catalog Page # 4065 (PDF)

Test Cock, For Use With Watts Series LF-NPT-TC, 1/8 In., Size 1/8 In., Connection Type NPT, Material of...More

 |  Results per page: 16 | 32 | 48
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