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
Log In
Cart
Home
/
Plumbing
Plumbing
Get It Fast
In Stock at Store Today
Same-Day Delivery
Filters
Filters
Clear All
Brand: Secure-A-Tank
Brand: Fisher
Brand: NuvoH2O
Brand: Watts
Featured Keywords: reverse flow
Get It Fast
In Stock at Store Today
Same-Day Delivery
Availability
Show Out of Stock
Department
Plumbing
Valves
Review Rating
5
4 & Up
3 & Up
2 & Up
1 & Up
Price
to
Apply
$30 - $40
$50 - $100
$100 - $150
Brand
Watts
Cash Acme
SharkBite
Febco
Featured Keywords
psi pressure
fiberglass reinforced nylon
pipe seal
230 psi
non corrosive
barb inlet
50 psi
75 psi
original equipment manufacturer
barb elbow
300 psi
commercial grade
hot water
incoming water pressure
polyethylene hose
1-1/4 in. fiberglass reinforced nylon
3/4 in. fiberglass reinforced nylon
90 degree elbow
90 degree fnpt
90 degree mnpt
150 psi
barb connection
bonnet o-ring
high grade
reverse flow
adjustable pressure range
female npt inlet
heavy salt
irrigation system
male npt inlet
non-return check valve
nonreturn valve
salt based softeners
system pressure
water backflow
water consumption
100 psi
500 gallons
600 psi
atmospheric vent
commercial kitchen
drinking water supply
expansion tank
female npt thread
fip full port
hard water spot
high temperature
installation guide
lead free brass ball
lever handle
piping system
pressure range
relief valve
seat washer
sink dishwasher cleaner/water softener
1 in. barb
1 in. fiberglass reinforced nylon
1 in. lead-free brass fpt
1.15 gpm
2 way flow check valve
25 psi
60 psi
barb reducing elbow
brass body
bronze body
check valve
citracharge pro dishwasher system
cold water
conditioner replacement cartridge
conditioner system
durable brass
female npt
float vent disc assembly
fpt anti-siphon air admittance valve
fpt pressure reducing valve
fpt water pressure reducing valve
home whole house
house salt-free water softener
internal parts
manor + taste whole
manor whole
manual reset
meter horn
npt connection
nsf 61-9
poppet backflow preventer repair kit
pressure reducing valve
quick action coupling
registration card
replacement part
right hand
spot-free dishes replacement cartridge
taste whole house
thermal expansion pressure
water supply
whole house
1 in. brass fip
1 in. elbow
1 in. male
1-1/4 in. npt
Material
Brass
Bronze
View Results
All Filters
Category
Availability
Review Rating
Price
Brand
Brand: Secure-A-Tank
Brand: Fisher
Brand: NuvoH2O
Brand: Watts
Featured Keywords: reverse flow
Clear All
5 Results
Sort by:
Top Sellers
Top Sellers
Most Popular
Price Low to High
Price High to Low
Top Rated Products
$
159
.
41
(32)
Watts
3/4 IN Bronze Anti-Siphon Pressure Vacuum Breaker with Quarter Turn Shutoff and Tee Handles
Add to Cart
Compare
$
118
.
20
(8)
Watts
1/2 in. Cast-Brass SWT x SWT Dual Check Vacuum Breaker with Solder Ends
Add to Cart
Compare
Expert Installation Available
See Low Price in Cart
(21)
Watts
3/4 in. Lead-Free Brass FPT Dual Check Valve Backflow Preventer
Add to Cart
Compare
$
79
.
26
(8)
Watts
1 in. Lead-Free Brass MPT Dual Check Valve
Add to Cart
Compare
$
88
.
68
(4)
Watts
3/4 in. x 3/4 in. Lead Free Residential Dual Check Valve, Union Female NPT Inlet x Union Female NPT Outlet
Add to Cart
Compare