Shop All Savings
Appliances
Bath & Faucets
Blinds & Window Treatment
Building Materials
Lumber & Composites
Cleaning
Decor & Furniture
Lighting & Ceiling Fans
Doors & Windows
Electrical
Flooring & Area Rugs
Hardware
Heating & Cooling
Kitchen & Kitchenware
Lawn & Garden
Outdoor Living & Patio
Paint
Plumbing
Seasonal Decor
Smart Home
Storage & Organization
Tools
Automotive
Furniture
Gift Cards
Credit Cards
View All Home Services
Tool Rental
Benefits & Services For the Pro
Project Calculators
View All DIY Projects
Local Ad
Store Finder
Site Map
#1 Home Improvement Retailer
Select store
...
...
Cart
Select store
...
...
Shop All
Services
DIY
Me
Cart
Home
/
Plumbing
/
Valves
/
Backflow Preventers
Best Rated Backflow Preventers
Shop products with the best ratings based on our customer reviews
11 Results
Review Rating: Best Rated
Application: Non-Potable Water
Clear All
Sort by:
Top Sellers
Top Sellers
Most Popular
Price Low to High
Price High to Low
Top Rated Products
Get It Fast
In Stock at Store Today
Availability
Show Unavailable Products
Department
Plumbing
Valves
Backflow Preventers
Brand
Wilkins
Woodford
Price
to
Go
$30 - $40
$150 - $200
$250 - $300
$300 - $400
$400 - $500
$500 - $600
$600 - $700
$700 - $800
Over $5000
+ View All
Review Rating
5
4 & Up
3 & Up
2 & Up
1 & Up
0
Please choose a rating
Connection
FIP x FIP
Male Hose Thread
Sweat
FPT
Female Pipe Thread
Compatible Pipe Material
Multi-Purpose
Brass
Maximum Working Temperature (F)
0
120
140
180
Maximum Pressure (psi)
125
140 PSI
175 PSI
Material
Brass
Bronze
Aluminum
Chrome
Application
Non-Potable Water
Potable Water
$
184
.
00
(5)
Wilkins
1 in. 950XLT2 Double Check Backflow Preventer Valve
Add to Cart
Compare
$
33
.
74
(25)
Woodford
Add-On 3/4 in. Hose Thread Brass Double-Check Backflow Preventer
Add to Cart
Compare
$
557
.
87
(1)
Wilkins
1 in. 975XL Reduced Pressure Principle Backflow Preventer
Add to Cart
Compare
See Low Price in Cart
(1)
Wilkins
3/4 in. 375 Reduced Pressure Principle Backflow Preventer
Add to Cart
Compare
See Low Price in Cart
(2)
Wilkins
3/4 in. 350 Double Check Backflow Preventer
Add to Cart
Compare
See Low Price in Cart
(18)
Wilkins
3/4 in. 350XL Double Check Backflow Preventer Valve
Add to Cart
Compare
$
617
.
56
(1)
Wilkins
1-1/2 in. 350XL Double Check Backflow Preventer Valve
Add to Cart
Compare
$
30
.
99
(2)
Woodford
Add-On 3/4 in. Hose Thread Chrome Double-Check Backflow Preventer
Add to Cart
Compare
$
5940
.
84
(2)
Wilkins
3/4 in. Bronze Double Check Valve Backflow Preventer
Add to Cart
Compare
$
336
.
23
(1)
Wilkins
1 in. Lead-Free Bronze Double Check Valve Assembly with Integral Male 45 Degree Flare SAE Test Fitting
Add to Cart
Compare
$
749
.
63
(1)
Wilkins
Reduced Pressure Principle Backflow Preventer
Add to Cart
Compare