Thos. Somerville Co. | Backflow Preventers

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Backflow Preventers

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AB&A™ 66206 3" PVC Backwater Valve with Riser Kit (Valve, Adapter, Riser, and Lid)

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AB&A™ 66206 3" PVC Backwater Valve with Riser Kit (Valve, Adapter, Riser, and Lid)

Part #1273764

MFG #66206

U/M

AB&A™ 66208 4" PVC Backwater Valve with Riser Kit (Valve, Adapter, Riser, and Lid)

Compare

AB&A™ 66208 4" PVC Backwater Valve with Riser Kit (Valve, Adapter, Riser, and Lid)

Part #1273834

MFG #66208

AB&A™ 86211 PVC Backwater Valve with 18-Inch Riser and Snap-On Cover, Fits 3-Inch Schedule 40 DWV Pipe

Superseded

Compare

AB&A™ 86211 PVC Backwater Valve with 18-Inch Riser and Snap-On Cover, Fits 3-Inch Schedule 40 DWV Pipe

Part #353422

MFG #86211

AB&A™ 86221 PVC Backwater Valve with 18-Inch Riser and Snap-On Cover, Fits 4-Inch Schedule 40 DWV Pipe

Superseded

Compare

AB&A™ 86221 PVC Backwater Valve with 18-Inch Riser and Snap-On Cover, Fits 4-Inch Schedule 40 DWV Pipe

Part #353423

MFG #86221

Apollo™ 4ALF3A33A DuCLF4A Backflow Preventer, 1/2 in Nominal, FNPT End Style, Bronze Body, Dual Check

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Apollo™ 4ALF3A33A DuCLF4A Backflow Preventer, 1/2 in Nominal, FNPT End Style, Bronze Body, Dual Check

Part #420608

MFG #4ALF3A33A

Apollo™ 4ALF3A44A DuCLF4A Backflow Preventer, 3/4 in Nominal, FNPT End Style, Bronze Body, Dual Check

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Apollo™ 4ALF3A44A DuCLF4A Backflow Preventer, 3/4 in Nominal, FNPT End Style, Bronze Body, Dual Check

Part #420616

MFG #4ALF3A44A

Apollo™ 4ALF3A55A DuCLF4A Backflow Preventer, 1 in Nominal, FNPT End Style, Bronze Body, Dual Check

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Apollo™ 4ALF3A55A DuCLF4A Backflow Preventer, 1 in Nominal, FNPT End Style, Bronze Body, Dual Check

Part #420617

MFG #4ALF3A55A

Barnes & Jones® 3875 Vacuum Breaker, 3/4 in Nominal, Thread End Style, Brass Body

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Barnes & Jones®

Barnes & Jones® 3875 Vacuum Breaker, 3/4 in Nominal, Thread End Style, Brass Body

Part #415340

MFG #3875

U/M

Caleffi 573403A Continuous Backflow Preventer with Atmospheric Vent, 1/2 in Nominal, FNPT End Style, Brass Body, Dual Check

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Caleffi 573403A Continuous Backflow Preventer with Atmospheric Vent, 1/2 in Nominal, FNPT End Style, Brass Body, Dual Check

Part #420046

MFG #573403A

U/M

Caleffi 573503A Backflow Preventer, 3/4 in, FNPT, Brass Body

Compare

Caleffi 573503A Backflow Preventer, 3/4 in, FNPT, Brass Body

Part #1221239

MFG #573503A

AB&A™ 66206 3" PVC Backwater Valve with Riser Kit (Valve, Adapter, Riser, and Lid)

Compare

AB&A™ 66206 3" PVC Backwater Valve with Riser Kit (Valve, Adapter, Riser, and Lid)

Part #1273764

MFG #66206

U/M

AB&A™ 66208 4" PVC Backwater Valve with Riser Kit (Valve, Adapter, Riser, and Lid)

Compare

AB&A™ 66208 4" PVC Backwater Valve with Riser Kit (Valve, Adapter, Riser, and Lid)

Part #1273834

MFG #66208

AB&A™ 86211 PVC Backwater Valve with 18-Inch Riser and Snap-On Cover, Fits 3-Inch Schedule 40 DWV Pipe

Superseded

Compare

AB&A™ 86211 PVC Backwater Valve with 18-Inch Riser and Snap-On Cover, Fits 3-Inch Schedule 40 DWV Pipe

Part #353422

MFG #86211

AB&A™ 86221 PVC Backwater Valve with 18-Inch Riser and Snap-On Cover, Fits 4-Inch Schedule 40 DWV Pipe

Superseded

Compare

AB&A™ 86221 PVC Backwater Valve with 18-Inch Riser and Snap-On Cover, Fits 4-Inch Schedule 40 DWV Pipe

Part #353423

MFG #86221

Apollo™ 4ALF3A33A DuCLF4A Backflow Preventer, 1/2 in Nominal, FNPT End Style, Bronze Body, Dual Check

Compare

Apollo™ 4ALF3A33A DuCLF4A Backflow Preventer, 1/2 in Nominal, FNPT End Style, Bronze Body, Dual Check

Part #420608

MFG #4ALF3A33A

Apollo™ 4ALF3A44A DuCLF4A Backflow Preventer, 3/4 in Nominal, FNPT End Style, Bronze Body, Dual Check

Compare

Apollo™ 4ALF3A44A DuCLF4A Backflow Preventer, 3/4 in Nominal, FNPT End Style, Bronze Body, Dual Check

Part #420616

MFG #4ALF3A44A

Apollo™ 4ALF3A55A DuCLF4A Backflow Preventer, 1 in Nominal, FNPT End Style, Bronze Body, Dual Check

Compare

Apollo™ 4ALF3A55A DuCLF4A Backflow Preventer, 1 in Nominal, FNPT End Style, Bronze Body, Dual Check

Part #420617

MFG #4ALF3A55A

Barnes & Jones® 3875 Vacuum Breaker, 3/4 in Nominal, Thread End Style, Brass Body

Compare

Barnes & Jones®

Barnes & Jones® 3875 Vacuum Breaker, 3/4 in Nominal, Thread End Style, Brass Body

Part #415340

MFG #3875

U/M

Caleffi 573403A Continuous Backflow Preventer with Atmospheric Vent, 1/2 in Nominal, FNPT End Style, Brass Body, Dual Check

Compare

Caleffi 573403A Continuous Backflow Preventer with Atmospheric Vent, 1/2 in Nominal, FNPT End Style, Brass Body, Dual Check

Part #420046

MFG #573403A

U/M

Caleffi 573503A Backflow Preventer, 3/4 in, FNPT, Brass Body

Compare

Caleffi 573503A Backflow Preventer, 3/4 in, FNPT, Brass Body

Part #1221239

MFG #573503A

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