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
Valves
13 Results
Maximum Pressure (psi): 175 PSI
Outlet Diameter (In.): 1-1/2
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
Review Rating
3 & Up
2 & Up
1 & Up
0
Please choose a rating
Price
to
Go
$600 - $700
$700 - $800
$800 - $900
$900 - $1000
$1000 - $2000
Outlet Diameter (In.)
1
1-1/2
1-1/4
1/2
1/4
2
3/4
3/8
+ View All
Connection
NPSM
FIPT
Ball Valve x MIP
FIP x FIP
FNPT
Female Pipe Thread
Flanged
+ View All
Compatible Pipe Material
Not Applicable
Bronze
Multi-Purpose
Metal
Application
Potable Water
Non-Potable Water
Maximum Working Temperature (F)
140
180
Maximum Pressure (psi)
5 PSI
15
20
21 PSI
25
60 PSI
80 PSI
125 PSI
125
140 PSI
150
150 PSI
160
175 PSI
180 PSI
200
200 PSI
230
250
300 PSI
300
300.0
400 PSI
400
600
600 PSI
1000
+ View All
Material
Stainless Steel
Bronze
Brass
$
777
.
33
Wilkins
1-1/2 in. Double Check Backflow Preventer
Add to Cart
Compare
$
875
.
23
Wilkins
1-1/2 in. 950XL3 Double Check Backflow Preventer with Integral Male Flare SAE Test Fittings
Add to Cart
Compare
$
1068
.
58
Wilkins
1-1/2 in. 975XL Reduced Pressure Principle Backflow Preventer
Add to Cart
Compare
$
1364
.
72
(2)
Wilkins
1-1/2 in. 975XL2 Reduced Pressure Principle Backflow Preventer Valve
Add to Cart
Compare
$
1156
.
29
Wilkins
1-1/2 Dia Bronze Reduced Pressure Principle Backflow Preventer with Black Fusion Epoxy Coating
Add to Cart
Compare
$
654
.
07
Wilkins
1-1/2 in. 350 Double Check Backflow Preventer, Non-Potable
Add to Cart
Compare
$
948
.
80
Wilkins
1-1/2 in. 950XLT2 Double Check Backflow Preventer Valve
Add to Cart
Compare
$
1364
.
72
Wilkins
1-1/2 in. 975XL3 Reduced Pressure Principle Backflow Preventer with Model SXL Lead-Free Wye Type Strainer
Add to Cart
Compare
$
1181
.
75
Wilkins
1-1/2 in. 375XL Brass Reduced Pressure Principle Backflow Preventer
Add to Cart
Compare
$
1181
.
75
Wilkins
1-1/2 in. 975XL3 Reduced Pressure Principle Backflow Preventer with Integral Male Flare SAE Test Fittings
Add to Cart
Compare
$
1470
.
36
Wilkins
1-1/2 in. 975XL3 Reduced Pressure Principle Backflow Preventer with Model SXL Lead-Free Wye Type Strainer and Air Gap
Add to Cart
Compare
$
1198
.
26
Wilkins
1-1/2 in. 975XL3 Reduced Pressure Principle Backflow Preventer with Union Ball Valves
Add to Cart
Compare