NOTICE: Due to planned maintenance, pricing and ordering functions will be unavailable from late Friday evening, June 19 to Saturday morning, June 20.

Serving the Midwest in HVAC, Plumbing, PVF, Well & Septic and Waterworks.

Site Search

{0} items in cart

loading content

Refine Results

: 3/4 in(20)
2 in(14)
1 in(14)
1/2 in(13)
1-1/2 in(11)
: FNPT(60)
Flanged(16)
NPT(5)
Flanged Non Rising Stem Gate Valves(5)
FNPT Union x FNPT(4)
: 125 Lb(37)
: Domestic(48)
Import(6)
: BRASS(2)
304L Stainless Steel(13)
Bronze(16)
Cast Brass(1)
Cast Bronze(34)

Backflow Preventers

121 products

Sort

View

Per Page

content loaded

Zurn® Wilkins 375XL-F 3/4 Backflow Preventer, 3/4", FNPT, Quarter-Turn Ball Valve, Cast Bronze Body, Reduced Pressure Backflow

Zurn® Wilkins 375XL-F 3/4 Backflow Preventer, 3/4", FNPT, Quarter-Turn Ball Valve, Cast Bronze Body, Reduced Pressure Backflow

Item #WIL375XLF

MFG #375XL-F 3/4

Compare

Zurn® Wilkins 375XL-K 2 Backflow Preventer, 2", FNPT, Quarter-Turn Ball Valve, Cast Bronze Body, Reduced Pressure Backflow

Item #WIL375XLK

MFG #375XL-K 2

Compare

Zurn® Wilkins 375XL-G 1 Backflow Preventer, 1", FNPT, Quarter-Turn Ball Valve, Cast Bronze Body, Reduced Pressure Backflow

Zurn® Wilkins 375XL-G 1 Backflow Preventer, 1", FNPT, Quarter-Turn Ball Valve, Cast Bronze Body, Reduced Pressure Backflow

Item #WIL375XLG

MFG #375XL-G 1

Compare

Zurn® Wilkins 375XL-D 1/2 Backflow Preventer, 1/2", FNPT, Quarter-Turn Ball Valve, Cast Bronze Body, Reduced Pressure Backflow

Zurn® Wilkins 375XL-D 1/2 Backflow Preventer, 1/2", FNPT, Quarter-Turn Ball Valve, Cast Bronze Body, Reduced Pressure Backflow

Item #WIL375XLD

MFG #375XL-D 1/2

Compare

Zurn® Wilkins 740F 3/8 Carbonate Beverage Backflow Preventer, 3/8", FNPT, Stainless Steel Body, Dual Check Backflow

Zurn® Wilkins 740F 3/8 Carbonate Beverage Backflow Preventer, 3/8", FNPT, Stainless Steel Body, Dual Check Backflow

Item #WIL38740F

MFG #740F 3/8

Compare

1-975XL3 1" Reduced Pressure Principle Backflow Preventer Ball Valve, NPT, Top Access, Lead Free

1-975XL3 1" Reduced Pressure Principle Backflow Preventer Ball Valve, NPT, Top Access, Lead Free

Item #WIL1975XL3

MFG #1-975XL3

Compare

34-710 Backflow Preventer, 3/4", Bronze Body, Pressure Vacuum Breaker

34-710 Backflow Preventer, 3/4", Bronze Body, Pressure Vacuum Breaker

Item #WIL34710

MFG #34-710

Compare

Zurn® Wilkins 34-950XLT2S Valve Assembly, 3/4", FNPT, Bronze Body, Dual Check

Zurn® Wilkins 34-950XLT2S Valve Assembly, 3/4", FNPT, Bronze Body, Dual Check

Item #WIL34950XLT2S

MFG #34-950XLT2S

Compare

Zurn® Wilkins 4-375ASTBF Backflow Preventer, 4", Flanged Non Rising Stem Gate Valves x Flanged Butterfly Valve, 304L Stainless Steel Body

Zurn® Wilkins 4-375ASTBF Backflow Preventer, 4", Flanged Non Rising Stem Gate Valves x Flanged Butterfly Valve, 304L Stainless Steel Body

Item #WIL4375ASTBF

MFG #4-375ASTBF

Compare

First Mobile presents FirstSupply.com in a tile-based menu on your phone!

First InStock is our scannable label program makes it easy to stock your shop with First Supply!