Skip to main content
Ship
Find a Location
Contact Us
Pay Invoices
Site Search
submit search
Sign In
Cart (
)
{0} items in cart
menu
Search
cart
Sign In
Selectors
Copper Selectors
PVC Selectors
Import Black Fitting Selectors
CPVC Selectors
ProPress Selectors
ACR Fittings
HVAC Equipment
Air Handling Units
Commercial Air Handlers
Residential Air Conditioner Air Handlers
Residential Floor Mount Air Handlers
Residential Heat Pump Air Handlers
Residential Wall Mount Air Handlers
Condensers & Air Conditioners
Ceiling Mounted Air Conditioners
Commercial Air Conditioners Split System
Residential Air Conditioner Split System
Electric Process Heaters
Immersion Wells
Evaporator Coils
Air conditioner Evaporators
Furnaces
Electric Furnaces
Gas Furnaces
Oil Furnaces
Heat Pumps
Commercial Heat Pump Split Systems
Heat Pump Accessories
Heat Pump Electric Heaters
Heat Pump Risers
Residential Heat Pump Split Systems
Heaters
Fan Convectors
Gas Unit Heaters
Patio Heaters
Mini Split Equipment
Mini Split Air Conditioner Indoor Units
Mini Split Air Conditioner Outdoor Units
Mini Split Heat Pump Indoor Units
Mini Split Heat Pump Outdoor Units
Packaged Units
Air Conditioner Packaged Units
Gas Heating/Electric Cooling Packaged Units
Heat Pump Packaged Units
Packaged Unit Accessories
Packaged Unit Heaters
Oil Tanks
Plumbing Hardware
Shower Drains, Bath Drains, & Accessories
Bathtub Drains
Bathtub Drain Trip Levers
Bathroom Drain Flanges & Accessories
Rough-In Kits
Drain Seals & Covers
Bath Wastes & Overflow
Bathtub Drain Trim Kits
Bathtub Drain Stoppers
Bathtub Drain Parts
Bathtub Drain Face/Overflow Plates
Channel & Tile Drains
Debris Strainers
Shower Drain Accessories
Shower Drain Plates
Shower Drains
Shower Drain Covers
Sink Drains & Fittings
Sink Drain Accessories
Sink Drain Flanges
Bathroom Sink Drains
Sink Drain Rod Assemblies
Sink Drain Traps
Sink Drains
Sink Strainer Baskets
Sink Strainers & Stoppers
Sink Tailpieces & Extension Tubes
Pop-Ups & Accessories
Plumbing Drains & Traps
Bottle Traps
Cleanouts & Cleanout Covers
Drain & Traps Washers
Floor Drain Trap Seals
Floor Drains
Grease Traps
Plumbing Drains & Traps Accessories
Roof Drains
Special Traps
Trap & Supply Covers
Tubular Extensions
Tubular Fittings
Tubular Flush Ells & Slip Ells
Tubular J-Bends
Tubular Offsets
Tubular P-Traps
Tubular S-Traps
Tubular Tailpieces
Waste Bends
Plumbing Specialties
Air Admittance Valves
Closet Bolts
Closet Flanges
Flexible Gas Connectors
Gas Appliance Connectors
Gas Connector Fitting
Plumbing Access Panels
Plumbing Nuts & Washers
Test Caps
Test Plugs and Balls
Trap Primers
Water Connectors
Water Supply Fittings
Ice Maker Fittings
Supply Boxes
Washing Machine Fittings
Water Supply Fitting Accessories
Water Supply Flanges
Water Supply Flexible Hoses
Water Supply Kits
Water Supply Risers
Water Supply Stops
Air Distribution
Dampers
Damper Accessories
Damper Actuators
Duct Dampers
Motorized Dampers
Pressure Relief Dampers
Specialty Dampers
Volume Control Dampers
Ducting
Duct Accessories
Duct Fittings
Duct Plenums
Flexible Ducts
Oval Ducts
Rectangular Ducts
Return Air Products
Round Ducts
Grilles, Registers & Diffusers
Ceiling & Register Boxes & Outlets
Diffusers
Grilles
Registers
More
Home
/
Valves & Actuators
/
Check Valves & Backflow Preventers
/
Backflow Preventers
Backflow Preventers
107
items
Filter
Skip to Results
Search Within Category
Stocked Items
Stocked Items Only
Brands
AB&A™ (4)
Apollo™ (3)
Barnes & Jones® (1)
Caleffi (2)
HOMEWERKS® (1)
Jaclo® (4)
LEGEND® (3)
Prier® (1)
Sioux Chief (1)
Ward Mfg (3)
See All
Backflow Type
Double Check Valve (4)
Dual Check (16)
Single Check (1)
Vacuum Breaker (2)
Reduced Pressure Zone (13)
Ball Valve/Gate Valve Type
Quarter-Turn Ball Valve (39)
Resilient Seated Shutoff Gate Valve (2)
Resilient Seated Gate Valve (8)
Non-Rising Stem Resilient Seated Gate Valve (1)
Post Indicator Gate Valve (1)
Body Material
Lead Free Copper Silicon Alloy (8)
Brass (18)
Bronze (10)
Cast Iron (1)
PVC (4)
Forged Brass (4)
Cast Copper Silicon Alloy (18)
304 Stainless Steel (10)
Nylon (1)
Stainless Steel (2)
See All
Dimensions
10 in L x 5-7/8 in H (2)
10-3/4 in L x 6-1/4 in H (2)
14-1/2 in L x 6-1/4 in H (2)
17-3/8 in L x 6-3/4 in H (1)
17-7/8 in L x 6-3/4 in H (2)
2 in H x 4.38 in L (3)
21-3/8 in L x 8-3/4 in H (2)
1-3/4 in L (1)
4-1/2 in W (2)
4-5/8 in L (1)
Domestic/Import
Import (14)
Domestic (71)
End Style
FGHT x MGHT (1)
Male Thread (1)
Grooved (3)
FNPT (28)
NPT (19)
MNPT (4)
Solvent (1)
Flanged (1)
Flare (1)
Thread (1)
See All
Finish
Black (3)
Bronze (1)
Cast Copper Silicon Alloy (19)
Epoxy Coated (1)
Fused Epoxy Coated (6)
Matte Black (1)
Polished Chrome (4)
Satin Brass (1)
Satin Nickel (1)
Flow Rate
7.5 fps (4)
Length
5 in (1)
6 in (1)
Material
Steel (3)
Media
Water (33)
Hot/Cold Water (4)
Method of Manufacture
Welded (3)
Nominal Size
1 in (11)
1-1/2 in (10)
1-1/4 in (10)
1/2 in (15)
1/4 in (1)
2 in (6)
2-1/2 in (2)
3 in (7)
3/4 in (25)
3/8 in (7)
See All
Port Type
Full (12)
Drain/Blow Down (3)
Sleeve (2)
Atmospheric (2)
Pressure Rating
150 psi (9)
100 psi (1)
125 psi (15)
200 psi (2)
5 psi (1)
175 psi (61)
125 psig (1)
10 psi (1)
Schedule Rating
SCH 40/STD (3)
Series
9D (1)
DBF (4)
LF009-FS (11)
LF800M4 (1)
LF800M4QT (2)
LF909 (1)
LF909-FS Small (1)
SD-2 (2)
Temperature Rating
-20 to 150 deg F (3)
140 deg F (3)
180 deg F (14)
120 deg F (2)
250 deg F (2)
33 to 180 deg F (40)
212 deg F (1)
130 deg F (3)
33 to 140 deg F (16)
350 deg F (1)
See All
Type
Dual Check Valve (2)
Continuous (1)
Inline (7)
Self Draining (1)
Sort by
Best Match
Product: A to Z
Product: Z to A
Brand: A to Z
Brand: Z to A
Product List View
List
Product Grid View
Grid
Product Table View
Table
Results Per Page
10
20
30
40
First page
Previous page
1
2
3
4
…
11
Next page
Last page
content loaded
Compare
AB&A™
AB&A™ 66206 3" PVC Backwater Valve with Riser Kit (Valve, Adapter, Riser, and Lid)
Part #
1273764
MFG #
66206
U/M
EA
Pallet /60
Add to Cart
Compare
AB&A™
AB&A™ 66208 4" PVC Backwater Valve with Riser Kit (Valve, Adapter, Riser, and Lid)
Part #
1273834
MFG #
66208
Add to Cart
Superseded
Compare
AB&A™
AB&A™ 86211 Backwater Valve with 16 in Plastic Riser and Snap-on Cover, 3 in, PVC Body
Part #
353422
MFG #
86211
Add to Cart
Superseded
Compare
AB&A™
AB&A™ 86221 Backwater Valve with 16 in Plastic Riser and Snap-on Cover, 4 in, PVC Body
Part #
353423
MFG #
86221
Add to Cart
Compare
Apollo™
Apollo™ 4ALF3A33A DuCLF4A Backflow Preventer, 1/2 in Nominal, FNPT End Style, Bronze Body, Dual Check
Part #
420608
MFG #
4ALF3A33A
Add to Cart
Compare
Apollo™
Apollo™ 4ALF3A44A DuCLF4A Backflow Preventer, 3/4 in Nominal, FNPT End Style, Bronze Body, Dual Check
Part #
420616
MFG #
4ALF3A44A
Add to Cart
Compare
Apollo™
Apollo™ 4ALF3A55A DuCLF4A Backflow Preventer, 1 in Nominal, FNPT End Style, Bronze Body, Dual Check
Part #
420617
MFG #
4ALF3A55A
Add to Cart
Compare
Barnes & Jones®
Barnes & Jones® 3875 Vacuum Breaker, 3/4 in Nominal, Thread End Style, Brass Body
Part #
415340
MFG #
3875
U/M
EA
MASTER CARTON /100
Add to Cart
Compare
Caleffi
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
EA
CARTON /20
Add to Cart
Compare
Caleffi
Caleffi 573503A Backflow Preventer, 3/4 in, FNPT, Brass Body
Part #
1221239
MFG #
573503A
Add to Cart
Compare
AB&A™
AB&A™ 66206 3" PVC Backwater Valve with Riser Kit (Valve, Adapter, Riser, and Lid)
Part #
1273764
MFG #
66206
U/M
EA
Pallet /60
Add to Cart
Compare
AB&A™
AB&A™ 66208 4" PVC Backwater Valve with Riser Kit (Valve, Adapter, Riser, and Lid)
Part #
1273834
MFG #
66208
Add to Cart
Superseded
Compare
AB&A™
AB&A™ 86211 Backwater Valve with 16 in Plastic Riser and Snap-on Cover, 3 in, PVC Body
Part #
353422
MFG #
86211
Add to Cart
Superseded
Compare
AB&A™
AB&A™ 86221 Backwater Valve with 16 in Plastic Riser and Snap-on Cover, 4 in, PVC Body
Part #
353423
MFG #
86221
Add to Cart
Compare
Apollo™
Apollo™ 4ALF3A33A DuCLF4A Backflow Preventer, 1/2 in Nominal, FNPT End Style, Bronze Body, Dual Check
Part #
420608
MFG #
4ALF3A33A
Add to Cart
Compare
Apollo™
Apollo™ 4ALF3A44A DuCLF4A Backflow Preventer, 3/4 in Nominal, FNPT End Style, Bronze Body, Dual Check
Part #
420616
MFG #
4ALF3A44A
Add to Cart
Compare
Apollo™
Apollo™ 4ALF3A55A DuCLF4A Backflow Preventer, 1 in Nominal, FNPT End Style, Bronze Body, Dual Check
Part #
420617
MFG #
4ALF3A55A
Add to Cart
Compare
Barnes & Jones®
Barnes & Jones® 3875 Vacuum Breaker, 3/4 in Nominal, Thread End Style, Brass Body
Part #
415340
MFG #
3875
U/M
EA
MASTER CARTON /100
Add to Cart
Compare
Caleffi
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
EA
CARTON /20
Add to Cart
Compare
Caleffi
Caleffi 573503A Backflow Preventer, 3/4 in, FNPT, Brass Body
Part #
1221239
MFG #
573503A
Add to Cart
Sort by
Best Match
Product: A to Z
Product: Z to A
Brand: A to Z
Brand: Z to A
Product List View
List
Product Grid View
Grid
Product Table View
Table
Results Per Page
10
20
30
40
First page
Previous page
1
2
3
4
…
11
Next page
Last page
