Thos. Somerville Co. | WATTS® | Backflow Preventers

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Backflow Preventers

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: Commercial and Residential (1)
Continuous Pressure and Health Hazard (3)
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For non-health hazard applications in smaller supply lines, such as laboratory equipment, processing tanks, sterilizers, dairy equipment, and specifically for boiler feed lines (2)
For use on post-mix carbonated beverage equipment and dispensing equipment for tea and coffee (1)
Health Hazard (16)
Hose Thread Faucets and Health Hazard (1)
Hose to Hose Thread Faucets and Health Hazard (3)
: Double Check Valve (2)
Dual Check (13)
Vacuum Breaker (8)
Reduced Pressure Zone (20)
: Lead Free Copper Silicon Alloy (8)
Brass (11)
Bronze (7)
Cast Iron (1)
Forged Brass (4)
Cast Copper Silicon Alloy (18)
304 Stainless Steel (10)
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Copper Silicon Alloy (12)
316 Stainless Steel (5)
: Import (10)
Domestic (61)
: Female Threaded NPT (3)
Flange Joint (3)
Male Thread (1)
Grooved (3)
FNPT (19)
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MNPT (2)
Flanged (1)
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Female Hose Threaded x Male Hose Threaded (6)
: Bronze (2)
Cast Copper Silicon Alloy (19)
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: 1 in (10)
1-1/2 in (10)
1-1/4 in (7)
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2 in (6)
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3 in (5)
3/4 in (17)
3/8 in (7)
: 957-FS (3)
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LF009-FS (11)
LF800M4 (1)
LF800M4QT (2)
LF909 (1)
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WATTS® T063232 LF007 Inline Backflow Preventer Assembly, 1 in Nominal, NPT End Style, Quarter-Turn Ball Valve, Lead Free Copper Silicon Alloy Body, Dual Check

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WATTS® T063232 LF007 Inline Backflow Preventer Assembly, 1 in Nominal, NPT End Style, Quarter-Turn Ball Valve, Lead Free Copper Silicon Alloy Body, Dual Check

Part #1242393

MFG #T063232

WATTS® 0061935 9D Backflow Preventer, 1/2 in Nominal, Union FNPT x Union Joint End Style, Forged Brass Body, Dual Check

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WATTS® 0061935 9D Backflow Preventer, 1/2 in Nominal, Union FNPT x Union Joint End Style, Forged Brass Body, Dual Check

Part #429693

MFG #0061935

WATTS® T063235 LF007 Inline Backflow Preventer Assembly, 2 in Nominal, NPT End Style, Quarter-Turn Ball Valve, Lead Free Copper Silicon Alloy Body, Dual Check

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WATTS® T063235 LF007 Inline Backflow Preventer Assembly, 2 in Nominal, NPT End Style, Quarter-Turn Ball Valve, Lead Free Copper Silicon Alloy Body, Dual Check

Part #1242427

MFG #T063235

WATTS® 88004089 LF009-FS In-Line Backflow Preventer, 3/4 in Nominal, FNPT End Style, Quarter-Turn Ball Valve, Reduced Pressure Zone

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WATTS® 88004089 LF009-FS In-Line Backflow Preventer, 3/4 in Nominal, FNPT End Style, Quarter-Turn Ball Valve, Reduced Pressure Zone

Part #1216282

MFG #88004089

WATTS® 0792012 LF800M4 Anti-Siphon Pressure Vacuum Breaker, 1 in Nominal, Cast Copper Silicon Alloy Body, 7.5 fps Flow Rate

Superseded

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WATTS® 0792012 LF800M4 Anti-Siphon Pressure Vacuum Breaker, 1 in Nominal, Cast Copper Silicon Alloy Body, 7.5 fps Flow Rate

Part #429498

MFG #0792012

WATTS® 88004111 LF009-FS In-Line Backflow Preventer, 3/4 in Nominal, FNPT End Style, Quarter-Turn Ball Valve, Reduced Pressure Zone

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WATTS® 88004111 LF009-FS In-Line Backflow Preventer, 3/4 in Nominal, FNPT End Style, Quarter-Turn Ball Valve, Reduced Pressure Zone

Part #1216264

MFG #88004111

WATTS® T792012 LF800M4QT Angle Backflow Preventer with Flood Sensor, 1 in Nominal, NPT End Style, Quarter-Turn Ball Valve, Lead Free Copper Silicon Alloy Body, Vacuum Breaker

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WATTS® T792012 LF800M4QT Angle Backflow Preventer with Flood Sensor, 1 in Nominal, NPT End Style, Quarter-Turn Ball Valve, Lead Free Copper Silicon Alloy Body, Vacuum Breaker

Part #1241640

MFG #T792012

WATTS® 88004087 LF009-FS In-Line Backflow Preventer, 2 in Nominal, FNPT End Style, Quarter-Turn Ball Valve, Reduced Pressure Zone

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WATTS® 88004087 LF009-FS In-Line Backflow Preventer, 2 in Nominal, FNPT End Style, Quarter-Turn Ball Valve, Reduced Pressure Zone

Part #1216273

MFG #88004087

WATTS® T063233 LF007 Inline Backflow Preventer Assembly, 1-1/4 in Nominal, NPT End Style, Quarter-Turn Ball Valve, Lead Free Copper Silicon Alloy Body, Dual Check

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WATTS® T063233 LF007 Inline Backflow Preventer Assembly, 1-1/4 in Nominal, NPT End Style, Quarter-Turn Ball Valve, Lead Free Copper Silicon Alloy Body, Dual Check

Part #1242445

MFG #T063233

WATTS® 0061888 9D Backflow Preventer, 3/4 in Nominal, Union FNPT x Union Joint End Style, Forged Brass Body, Dual Check

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WATTS® 0061888 9D Backflow Preventer, 3/4 in Nominal, Union FNPT x Union Joint End Style, Forged Brass Body, Dual Check

Part #429694

MFG #0061888

WATTS® T063232 LF007 Inline Backflow Preventer Assembly, 1 in Nominal, NPT End Style, Quarter-Turn Ball Valve, Lead Free Copper Silicon Alloy Body, Dual Check

Compare

WATTS® T063232 LF007 Inline Backflow Preventer Assembly, 1 in Nominal, NPT End Style, Quarter-Turn Ball Valve, Lead Free Copper Silicon Alloy Body, Dual Check

Part #1242393

MFG #T063232

WATTS® 0061935 9D Backflow Preventer, 1/2 in Nominal, Union FNPT x Union Joint End Style, Forged Brass Body, Dual Check

Compare

WATTS® 0061935 9D Backflow Preventer, 1/2 in Nominal, Union FNPT x Union Joint End Style, Forged Brass Body, Dual Check

Part #429693

MFG #0061935

WATTS® T063235 LF007 Inline Backflow Preventer Assembly, 2 in Nominal, NPT End Style, Quarter-Turn Ball Valve, Lead Free Copper Silicon Alloy Body, Dual Check

Compare

WATTS® T063235 LF007 Inline Backflow Preventer Assembly, 2 in Nominal, NPT End Style, Quarter-Turn Ball Valve, Lead Free Copper Silicon Alloy Body, Dual Check

Part #1242427

MFG #T063235

WATTS® 88004089 LF009-FS In-Line Backflow Preventer, 3/4 in Nominal, FNPT End Style, Quarter-Turn Ball Valve, Reduced Pressure Zone

Compare

WATTS® 88004089 LF009-FS In-Line Backflow Preventer, 3/4 in Nominal, FNPT End Style, Quarter-Turn Ball Valve, Reduced Pressure Zone

Part #1216282

MFG #88004089

WATTS® 0792012 LF800M4 Anti-Siphon Pressure Vacuum Breaker, 1 in Nominal, Cast Copper Silicon Alloy Body, 7.5 fps Flow Rate

Superseded

Compare

WATTS® 0792012 LF800M4 Anti-Siphon Pressure Vacuum Breaker, 1 in Nominal, Cast Copper Silicon Alloy Body, 7.5 fps Flow Rate

Part #429498

MFG #0792012

WATTS® 88004111 LF009-FS In-Line Backflow Preventer, 3/4 in Nominal, FNPT End Style, Quarter-Turn Ball Valve, Reduced Pressure Zone

Compare

WATTS® 88004111 LF009-FS In-Line Backflow Preventer, 3/4 in Nominal, FNPT End Style, Quarter-Turn Ball Valve, Reduced Pressure Zone

Part #1216264

MFG #88004111

WATTS® T792012 LF800M4QT Angle Backflow Preventer with Flood Sensor, 1 in Nominal, NPT End Style, Quarter-Turn Ball Valve, Lead Free Copper Silicon Alloy Body, Vacuum Breaker

Compare

WATTS® T792012 LF800M4QT Angle Backflow Preventer with Flood Sensor, 1 in Nominal, NPT End Style, Quarter-Turn Ball Valve, Lead Free Copper Silicon Alloy Body, Vacuum Breaker

Part #1241640

MFG #T792012

WATTS® 88004087 LF009-FS In-Line Backflow Preventer, 2 in Nominal, FNPT End Style, Quarter-Turn Ball Valve, Reduced Pressure Zone

Compare

WATTS® 88004087 LF009-FS In-Line Backflow Preventer, 2 in Nominal, FNPT End Style, Quarter-Turn Ball Valve, Reduced Pressure Zone

Part #1216273

MFG #88004087

WATTS® T063233 LF007 Inline Backflow Preventer Assembly, 1-1/4 in Nominal, NPT End Style, Quarter-Turn Ball Valve, Lead Free Copper Silicon Alloy Body, Dual Check

Compare

WATTS® T063233 LF007 Inline Backflow Preventer Assembly, 1-1/4 in Nominal, NPT End Style, Quarter-Turn Ball Valve, Lead Free Copper Silicon Alloy Body, Dual Check

Part #1242445

MFG #T063233

WATTS® 0061888 9D Backflow Preventer, 3/4 in Nominal, Union FNPT x Union Joint End Style, Forged Brass Body, Dual Check

Compare

WATTS® 0061888 9D Backflow Preventer, 3/4 in Nominal, Union FNPT x Union Joint End Style, Forged Brass Body, Dual Check

Part #429694

MFG #0061888

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