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Hydronic Backflow Preventers

Learn More

(294 items)

Hydronic Backflow Preventers

(294 items)

Learn More

(294 items)
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Ames Fire & Waterworks® 0691939 2000B Double Check Valve Assembly, 2 in Nominal, Quarter-Turn Shutoff Valve, Bronze Body, Domestic
American Waterworks Products
Ames Fire & Waterworks® 0691939 2000B Double Check Valve Assembly, 2 in Nominal, Quarter-Turn Shutoff Valve, Bronze Body, Domestic
MFG Part# 0691939
DSG#667490
UPC#098268267051
Apollo™ 38LF10401 38-100 Atmospheric Vacuum Breaker, 3/4 in Nominal, Bronze Body, Domestic
Apollo
Apollo™ 38LF10401 38-100 Atmospheric Vacuum Breaker, 3/4 in Nominal, Bronze Body, Domestic
MFG Part# 38LF10401
DSG#627853
UPC#670750509629
Apollo™ 4ALF10E03 4ALF-100 Standard Backflow Preventer, 8 in Nominal, OSY Flanged End Style, 304 Stainless Steel Body, Dual Check, Domestic
Apollo
Apollo™ 4ALF10E03 4ALF-100 Standard Backflow Preventer, 8 in Nominal, OSY Flanged End Style, 304 Stainless Steel Body, Dual Check, Domestic
MFG Part# 4ALF10E03
DSG#672539
UPC#670750549892
Febco® 0124451 MasterSeries® LF856 Type-II In-Line Large Diameter Double Check Detector Assembly, 6 in Nominal, Flanged End Style, Resilient Wedge Gate Valve, Ductile Iron Body, Domestic
FEBCO
Febco® 0124451 MasterSeries® LF856 Type-II In-Line Large Diameter Double Check Detector Assembly, 6 in Nominal, Flanged End Style, Resilient Wedge Gate Valve, Ductile Iron Body, Domestic
MFG Part# 124451
DSG#498410
UPC#098268834796
Febco® 0683012 LF825YA N-Shape Angle Pattern Reduced Pressure Zone Assembly, 1 in Nominal, Thread End Style, Quarter-Turn Ball Valve, Cast Copper Silicon Alloy Body, Import
FEBCO
Febco® 0683012 LF825YA N-Shape Angle Pattern Reduced Pressure Zone Assembly, 1 in Nominal, Thread End Style, Quarter-Turn Ball Valve, Cast Copper Silicon Alloy Body, Import
MFG Part# 0683012
DSG#655770
UPC#098268455335
MIFAB® BEECO® FRP1.50-QT-LL Small Backflow Preventer, 1-1/2 in Nominal, Quarter-Turn Shutoff Valve, Bronze Body, Reduced Pressure Zone, Import
MIFAB
MIFAB® BEECO® FRP1.50-QT-LL Small Backflow Preventer, 1-1/2 in Nominal, Quarter-Turn Shutoff Valve, Bronze Body, Reduced Pressure Zone, Import
MFG Part# FRP1.50-QT-LL
DSG#664499
UPC#779897201974
Zurn® Wilkins 4-350ASTOSY 350AST Valve Assembly, 4 in Nominal, Flanged Outside Stem and Yoke Gate Valves End Style, Outside Stem and Yoke Gate Valve, 304L Stainless Steel Body, Dual Check, 125 lb
Zurn Wilkins
Zurn® Wilkins 4-350ASTOSY 350AST Valve Assembly, 4 in Nominal, Flanged Outside Stem and Yoke Gate Valves End Style, Outside Stem and Yoke Gate Valve, 304L Stainless Steel Body, Dual Check, 125 lb
MFG Part# 4-350ASTOSY
DSG#676895
UPC#612052112220
Zurn® Wilkins 8-350ASTROSY-B 350ASTR Replacement Valve Assembly, 8 in Nominal, Flanged Outside Stem and Yoke Gate Valves End Style, 304L Stainless Steel Body, Dual Check, 125 lb
Zurn Wilkins
Zurn® Wilkins 8-350ASTROSY-B 350ASTR Replacement Valve Assembly, 8 in Nominal, Flanged Outside Stem and Yoke Gate Valves End Style, 304L Stainless Steel Body, Dual Check, 125 lb
MFG Part# 8-350ASTROSY-B
DSG#661796
UPC#612052242934
Zurn® 1-720A Pressure Vacuum Breaker Assembly With Full Port QT Ball Valves, 1 in Nominal, FNPT End Style, Bronze Body
Zurn
Zurn® 1-720A Pressure Vacuum Breaker Assembly With Full Port QT Ball Valves, 1 in Nominal, FNPT End Style, Bronze Body
MFG Part# 720A1
DSG#49306
UPC#612052040042
Apollo™ 4C10201A 4C-100A Atmospheric Backflow Preventer, 3/8 in Nominal, MNPT End Style, Acetal Body, Dual Check, Domestic
Apollo
Apollo™ 4C10201A 4C-100A Atmospheric Backflow Preventer, 3/8 in Nominal, MNPT End Style, Acetal Body, Dual Check, Domestic
DSG#159023
Zurn® Wilkins 34UFX34F-700XL 700XL Horizontal/Vertical Dual Check Valve, 3/4 in Nominal, FNPT Union x FNPT End Style, Bronze Body
Zurn Wilkins
Zurn® Wilkins 34UFX34F-700XL 700XL Horizontal/Vertical Dual Check Valve, 3/4 in Nominal, FNPT Union x FNPT End Style, Bronze Body
MFG Part# 70034XL
DSG#55874
UPC#612052075631
WATTS® 0061935 9D Backflow Preventer, 1/2 in Nominal, Union FNPT x Union Joint End Style, Forged Brass Body, Dual Check, Domestic
Watts
WATTS® 0061935 9D Backflow Preventer, 1/2 in Nominal, Union FNPT x Union Joint End Style, Forged Brass Body, Dual Check, Domestic
MFG Part# 61935
DSG#45482
UPC#098268221794
WATTS® 0061888 9D Series Backflow Preventer, 3/4 in Nominal, Union FNPT x Union Joint End Style, Forged Brass Body, Dual Check, Domestic
Watts
WATTS® 0061888 9D Series Backflow Preventer, 3/4 in Nominal, Union FNPT x Union Joint End Style, Forged Brass Body, Dual Check, Domestic
MFG Part# 61888
DSG#24156
UPC#09826800428
Sioux Chief 869-S3PS 869 Back Water Valve, 3 in Nominal, Hub x Solvent Weld End Style, PVC Body, Domestic
Sioux Chief
Sioux Chief 869-S3PS 869 Back Water Valve, 3 in Nominal, Hub x Solvent Weld End Style, PVC Body, Domestic
MFG Part# 869-S3PS
DSG#9733
UPC#739236313683
WATTS® 0391007 LF009 Reduced Pressure Zone Assembly, 2 in Nominal, NPT End Style, Quarter-Turn Ball Valve, Cast Copper Silicon Alloy Body, Domestic
Watts
WATTS® 0391007 LF009 Reduced Pressure Zone Assembly, 2 in Nominal, NPT End Style, Quarter-Turn Ball Valve, Cast Copper Silicon Alloy Body, Domestic
MFG Part# 391007
DSG#23270
UPC#098268051162
Zurn® Wilkins 112-375XL 375XL Backflow Preventer, 1-1/2 in Nominal, Flanged End Style, Quarter-Turn Ball Valve, Stainless Steel/Reinforced Nylon/Cast Bronze Body, Reduced Pressure, Import
Zurn Wilkins
Zurn® Wilkins 112-375XL 375XL Backflow Preventer, 1-1/2 in Nominal, Flanged End Style, Quarter-Turn Ball Valve, Stainless Steel/Reinforced Nylon/Cast Bronze Body, Reduced Pressure, Import
MFG Part# 375XL-J
DSG#61014
UPC#612052071640
Ames Fire & Waterworks® 0691939 2000B Double Check Valve Assembly, 2 in Nominal, Quarter-Turn Shutoff Valve, Bronze Body, Domestic
American Waterworks Products
Ames Fire & Waterworks® 0691939 2000B Double Check Valve Assembly, 2 in Nominal, Quarter-Turn Shutoff Valve, Bronze Body, Domestic
MFG Part# 0691939
DSG#667490
UPC#098268267051
Apollo™ 38LF10401 38-100 Atmospheric Vacuum Breaker, 3/4 in Nominal, Bronze Body, Domestic
Apollo
Apollo™ 38LF10401 38-100 Atmospheric Vacuum Breaker, 3/4 in Nominal, Bronze Body, Domestic
MFG Part# 38LF10401
DSG#627853
UPC#670750509629
Apollo™ 4ALF10E03 4ALF-100 Standard Backflow Preventer, 8 in Nominal, OSY Flanged End Style, 304 Stainless Steel Body, Dual Check, Domestic
Apollo
Apollo™ 4ALF10E03 4ALF-100 Standard Backflow Preventer, 8 in Nominal, OSY Flanged End Style, 304 Stainless Steel Body, Dual Check, Domestic
MFG Part# 4ALF10E03
DSG#672539
UPC#670750549892
Febco® 0124451 MasterSeries® LF856 Type-II In-Line Large Diameter Double Check Detector Assembly, 6 in Nominal, Flanged End Style, Resilient Wedge Gate Valve, Ductile Iron Body, Domestic
FEBCO
Febco® 0124451 MasterSeries® LF856 Type-II In-Line Large Diameter Double Check Detector Assembly, 6 in Nominal, Flanged End Style, Resilient Wedge Gate Valve, Ductile Iron Body, Domestic
MFG Part# 124451
DSG#498410
UPC#098268834796
Febco® 0683012 LF825YA N-Shape Angle Pattern Reduced Pressure Zone Assembly, 1 in Nominal, Thread End Style, Quarter-Turn Ball Valve, Cast Copper Silicon Alloy Body, Import
FEBCO
Febco® 0683012 LF825YA N-Shape Angle Pattern Reduced Pressure Zone Assembly, 1 in Nominal, Thread End Style, Quarter-Turn Ball Valve, Cast Copper Silicon Alloy Body, Import
MFG Part# 0683012
DSG#655770
UPC#098268455335
MIFAB® BEECO® FRP1.50-QT-LL Small Backflow Preventer, 1-1/2 in Nominal, Quarter-Turn Shutoff Valve, Bronze Body, Reduced Pressure Zone, Import
MIFAB
MIFAB® BEECO® FRP1.50-QT-LL Small Backflow Preventer, 1-1/2 in Nominal, Quarter-Turn Shutoff Valve, Bronze Body, Reduced Pressure Zone, Import
MFG Part# FRP1.50-QT-LL
DSG#664499
UPC#779897201974
Zurn® Wilkins 4-350ASTOSY 350AST Valve Assembly, 4 in Nominal, Flanged Outside Stem and Yoke Gate Valves End Style, Outside Stem and Yoke Gate Valve, 304L Stainless Steel Body, Dual Check, 125 lb
Zurn Wilkins
Zurn® Wilkins 4-350ASTOSY 350AST Valve Assembly, 4 in Nominal, Flanged Outside Stem and Yoke Gate Valves End Style, Outside Stem and Yoke Gate Valve, 304L Stainless Steel Body, Dual Check, 125 lb
MFG Part# 4-350ASTOSY
DSG#676895
UPC#612052112220
Zurn® Wilkins 8-350ASTROSY-B 350ASTR Replacement Valve Assembly, 8 in Nominal, Flanged Outside Stem and Yoke Gate Valves End Style, 304L Stainless Steel Body, Dual Check, 125 lb
Zurn Wilkins
Zurn® Wilkins 8-350ASTROSY-B 350ASTR Replacement Valve Assembly, 8 in Nominal, Flanged Outside Stem and Yoke Gate Valves End Style, 304L Stainless Steel Body, Dual Check, 125 lb
MFG Part# 8-350ASTROSY-B
DSG#661796
UPC#612052242934
Zurn® 1-720A Pressure Vacuum Breaker Assembly With Full Port QT Ball Valves, 1 in Nominal, FNPT End Style, Bronze Body
Zurn
Zurn® 1-720A Pressure Vacuum Breaker Assembly With Full Port QT Ball Valves, 1 in Nominal, FNPT End Style, Bronze Body
MFG Part# 720A1
DSG#49306
UPC#612052040042
Apollo™ 4C10201A 4C-100A Atmospheric Backflow Preventer, 3/8 in Nominal, MNPT End Style, Acetal Body, Dual Check, Domestic
Apollo
Apollo™ 4C10201A 4C-100A Atmospheric Backflow Preventer, 3/8 in Nominal, MNPT End Style, Acetal Body, Dual Check, Domestic
DSG#159023
Zurn® Wilkins 34UFX34F-700XL 700XL Horizontal/Vertical Dual Check Valve, 3/4 in Nominal, FNPT Union x FNPT End Style, Bronze Body
Zurn Wilkins
Zurn® Wilkins 34UFX34F-700XL 700XL Horizontal/Vertical Dual Check Valve, 3/4 in Nominal, FNPT Union x FNPT End Style, Bronze Body
MFG Part# 70034XL
DSG#55874
UPC#612052075631
WATTS® 0061935 9D Backflow Preventer, 1/2 in Nominal, Union FNPT x Union Joint End Style, Forged Brass Body, Dual Check, Domestic
Watts
WATTS® 0061935 9D Backflow Preventer, 1/2 in Nominal, Union FNPT x Union Joint End Style, Forged Brass Body, Dual Check, Domestic
MFG Part# 61935
DSG#45482
UPC#098268221794
WATTS® 0061888 9D Series Backflow Preventer, 3/4 in Nominal, Union FNPT x Union Joint End Style, Forged Brass Body, Dual Check, Domestic
Watts
WATTS® 0061888 9D Series Backflow Preventer, 3/4 in Nominal, Union FNPT x Union Joint End Style, Forged Brass Body, Dual Check, Domestic
MFG Part# 61888
DSG#24156
UPC#09826800428
Sioux Chief 869-S3PS 869 Back Water Valve, 3 in Nominal, Hub x Solvent Weld End Style, PVC Body, Domestic
Sioux Chief
Sioux Chief 869-S3PS 869 Back Water Valve, 3 in Nominal, Hub x Solvent Weld End Style, PVC Body, Domestic
MFG Part# 869-S3PS
DSG#9733
UPC#739236313683
WATTS® 0391007 LF009 Reduced Pressure Zone Assembly, 2 in Nominal, NPT End Style, Quarter-Turn Ball Valve, Cast Copper Silicon Alloy Body, Domestic
Watts
WATTS® 0391007 LF009 Reduced Pressure Zone Assembly, 2 in Nominal, NPT End Style, Quarter-Turn Ball Valve, Cast Copper Silicon Alloy Body, Domestic
MFG Part# 391007
DSG#23270
UPC#098268051162
Zurn® Wilkins 112-375XL 375XL Backflow Preventer, 1-1/2 in Nominal, Flanged End Style, Quarter-Turn Ball Valve, Stainless Steel/Reinforced Nylon/Cast Bronze Body, Reduced Pressure, Import
Zurn Wilkins
Zurn® Wilkins 112-375XL 375XL Backflow Preventer, 1-1/2 in Nominal, Flanged End Style, Quarter-Turn Ball Valve, Stainless Steel/Reinforced Nylon/Cast Bronze Body, Reduced Pressure, Import
MFG Part# 375XL-J
DSG#61014
UPC#612052071640