NOTICE: Due to planned maintenance, pricing and ordering functions will be unavailable from late Friday evening, July 17 to Saturday morning, July 18.

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

Site Search

{0} items in cart

loading content

Refine Results

: AB&A™(1)
Apollo®(87)
Arrowhead Brass(1)
Caleffi(10)
Cash Acme®(7)
: 3/4 in(102)
1/2 in(53)
1 in(41)
2 in(38)
1-1/2 in(37)
: FNPT(116)
NPT(49)
Female Hose Thread x Male Hose Thread(24)
No-Hub(18)
Flanged(17)
: 300 Stainless Steel(5)
304 Stainless Steel(13)
316 Stainless Steel(5)
ABS(8)
Hardcoat Anodized Aluminum(4)
: Domestic(236)
Import(45)

Backflow Preventers

457 products

Sort

View

Per Page

content loaded

WATTS® 0061935 9D, 9D M3 Backflow Preventer With Atmospheric Vent, 1/2", Union FNPTxUnion Joint, Forged Brass Body, Dual check Backflow, Domestic

WATTS® 0061935 9D, 9D M3 Backflow Preventer With Atmospheric Vent, 1/2", Union FNPTxUnion Joint, Forged Brass Body, Dual check Backflow, Domestic

Item #WAT129DBFP

MFG #0061935

Compare

015WWT1055 Water Wasting Tee

Item #ECL015WWT1055

MFG #015WWT1055

Compare

0391004 LF009, LF009M2-QT Reduced Pressure Zone Assembly, Cast Copper Silicon Alloy Body

0391004 LF009, LF009M2-QT Reduced Pressure Zone Assembly, Cast Copper Silicon Alloy Body

Item #WATLF009M2QTG

MFG #0391004

Compare

0391003 LF009, LF009M3-QT Reduced Pressure Zone Assembly, Cast Copper Silicon Alloy Body

Item #WATLF009M3QTF

MFG #0391003

Compare

573493A FlowShield™ Backflow Preventer, 1/2", CxFNPT, Brass Body

573493A FlowShield™ Backflow Preventer, 1/2", CxFNPT, Brass Body

Item #CLF573493A

MFG #573493A

Compare

34H-BR Anti-Siphon Vacuum Breaker, Brass/Stainless Steel Body

34H-BR Anti-Siphon Vacuum Breaker, Brass/Stainless Steel Body

Item #WOO34HBR

MFG #34H-BR

Compare

WATTS® 0792038 LF288A Anti-Siphon Vacuum Breaker, 1/2", FNPT, Brass Body, Import

Item #WATLF288AD

MFG #0792038

Compare

WATTS® 88006822 LF9D Inline Pattern Double Check Valve, 1/2" Nominal, FNPT Union End Style, Brass Body, Dual Check

Item #WAT12LF9D

MFG #88006822

Compare

Cash Acme® 17148-0000LF V-3 Atmospheric Vacuum Breaker With Locking Screw, 3/4", NPT, Brass Body, Domestic

Cash Acme® 17148-0000LF V-3 Atmospheric Vacuum Breaker With Locking Screw, 3/4", NPT, Brass Body, Domestic

Item #CAS171480000LF

MFG #17148-0000LF

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!