Backflow Preventers

Filter

Search Within Category

: Show In Stock Items Only
: Ames Fire & Waterworks® (2)
Apollo™ (600)
Spirax Sarco (2)
WATTS® (54)
: Apollo RPLF4A Series Reduced Pressure Principle Backflow Preventers (61)
: 1/4 in (1)
3/8 in (2)
1/2 in (18)
1/2 x 1/8 in (2)
3/4 in (37)
1 in (33)
1-1/4 in (15)
1-1/2 in (26)
2 in (29)
2-1/2 in (55)
: FNPT (47)
Female Hose Threaded x Male Hose Threaded (2)
Female Meter Swivel x FNPT (2)
Female Meter Swivel x MNPT (1)
Flanged (1)
Grooved (2)
MNPT (7)
MNPT x FNPT (2)
Monitored Butterfly Valve Groove (73)
Monitored Butterfly Valve Groove x Post Indicator Flange (1)
: Outside Stem and Yoke Resilient Seated Gate Valve (1)
Quarter-Turn Ball Valve (43)
Resilient Seated Gate Valve (3)
Shut-Off Ball Valve (13)
: 304 Stainless Steel (422)
Brass (7)
Bronze (140)
Cast Bronze (1)
Cast Copper Silicon Alloy (22)
Cast Iron (1)
Copper Silicon Alloy (13)
Ductile Iron (39)
Forged Brass (8)
Lead Free Copper Silicon Alloy (5)
: Dual Check (328)
Pressure Vacuum Breaker (4)
Reduced Pressure (278)
Reduced Pressure Zone (15)
: 7.5 fps (2)
: Domestic (624)
Import (3)

658 items

Sort by:

show:

content loaded

Compare

Apollo™ 4ALF72AG6 RPDALF4A Type 2 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247439

MPN:

4ALF72AG6

Price:

$7450.95 / EA

QTY

Prop 65:

Price:

$7450.95 / EA

QTY

Compare

Apollo™ 4ALF72AG7 RPDALF4A Type 2 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247440

MPN:

4ALF72AG7

Price:

$16534.92 / EA

QTY

Prop 65:

Price:

$16534.92 / EA

QTY

Compare

Apollo™ 4ALF72AG8 RPDALF4A Type 2 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247441

MPN:

4ALF72AG8

Price:

$16534.92 / EA

QTY

Prop 65:

Price:

$16534.92 / EA

QTY

Compare

Apollo™ 4ALF72AG9 RPDALF4A Type 2 Backflow Preventer, 4 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247442

MPN:

4ALF72AG9

Price:

$8016.51 / EA

QTY

Prop 65:

Price:

$8016.51 / EA

QTY

Compare

Apollo™ 4ALF72CC10 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247443

MPN:

4ALF72CC10

Price:

$24011.10 / EA

QTY

Prop 65:

Price:

$24011.10 / EA

QTY

Compare

Apollo™ 4ALF72CC3 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247444

MPN:

4ALF72CC3

Price:

$10819.86 / EA

QTY

Prop 65:

Price:

$10819.86 / EA

QTY

Compare

Apollo™ 4ALF72CC4 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247445

MPN:

4ALF72CC4

Price:

$25593.66 / EA

QTY

Prop 65:

Price:

$25593.66 / EA

QTY

Compare

Apollo™ 4ALF72CC6 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247446

MPN:

4ALF72CC6

Price:

$10819.86 / EA

QTY

Prop 65:

Price:

$10819.86 / EA

QTY

Compare

Apollo™ 4ALF72CC7 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247447

MPN:

4ALF72CC7

Price:

$24011.10 / EA

QTY

Prop 65:

Price:

$24011.10 / EA

QTY

Compare

Apollo™ 4ALF72CC8 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247448

MPN:

4ALF72CC8

Price:

$24011.10 / EA

QTY

Prop 65:

Price:

$24011.10 / EA

QTY

Compare

Apollo™ 4ALF72CC9 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247449

MPN:

4ALF72CC9

Price:

$9815.70 / EA

QTY

Prop 65:

Price:

$9815.70 / EA

QTY

Compare

Apollo™ 4ALF72CE10 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247450

MPN:

4ALF72CE10

Price:

$24011.10 / EA

QTY

Prop 65:

Price:

$24011.10 / EA

QTY

Compare

Apollo™ 4ALF72CE3 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247451

MPN:

4ALF72CE3

Price:

$10819.86 / EA

QTY

Prop 65:

Price:

$10819.86 / EA

QTY

Compare

Apollo™ 4ALF72CE4 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247452

MPN:

4ALF72CE4

Price:

$25593.66 / EA

QTY

Prop 65:

Price:

$25593.66 / EA

QTY

Compare

Apollo™ 4ALF72CE6 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247453

MPN:

4ALF72CE6

Price:

$24011.10 / EA

QTY

Prop 65:

Price:

$24011.10 / EA

QTY

Compare

Apollo™ 4ALF72AG6 RPDALF4A Type 2 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247439

MPN:

4ALF72AG6

Prop 65:

Price:

$7450.95 / EA

QTY

Compare

Apollo™ 4ALF72AG7 RPDALF4A Type 2 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247440

MPN:

4ALF72AG7

Prop 65:

Price:

$16534.92 / EA

QTY

Compare

Apollo™ 4ALF72AG8 RPDALF4A Type 2 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247441

MPN:

4ALF72AG8

Prop 65:

Price:

$16534.92 / EA

QTY

Compare

Apollo™ 4ALF72AG9 RPDALF4A Type 2 Backflow Preventer, 4 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247442

MPN:

4ALF72AG9

Prop 65:

Price:

$8016.51 / EA

QTY

Compare

Apollo™ 4ALF72CC10 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247443

MPN:

4ALF72CC10

Prop 65:

Price:

$24011.10 / EA

QTY

Compare

Apollo™ 4ALF72CC3 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247444

MPN:

4ALF72CC3

Prop 65:

Price:

$10819.86 / EA

QTY

Compare

Apollo™ 4ALF72CC4 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247445

MPN:

4ALF72CC4

Prop 65:

Price:

$25593.66 / EA

QTY

Compare

Apollo™ 4ALF72CC6 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247446

MPN:

4ALF72CC6

Prop 65:

Price:

$10819.86 / EA

QTY

Compare

Apollo™ 4ALF72CC7 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247447

MPN:

4ALF72CC7

Prop 65:

Price:

$24011.10 / EA

QTY

Compare

Apollo™ 4ALF72CC8 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247448

MPN:

4ALF72CC8

Prop 65:

Price:

$24011.10 / EA

QTY

Compare

Apollo™ 4ALF72CC9 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247449

MPN:

4ALF72CC9

Prop 65:

Price:

$9815.70 / EA

QTY

Compare

Apollo™ 4ALF72CE10 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247450

MPN:

4ALF72CE10

Prop 65:

Price:

$24011.10 / EA

QTY

Compare

Apollo™ 4ALF72CE3 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247451

MPN:

4ALF72CE3

Prop 65:

Price:

$10819.86 / EA

QTY

Compare

Apollo™ 4ALF72CE4 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247452

MPN:

4ALF72CE4

Prop 65:

Price:

$25593.66 / EA

QTY

Compare

Apollo™ 4ALF72CE6 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247453

MPN:

4ALF72CE6

Prop 65:

Price:

$24011.10 / EA

QTY

show:

Backflow Preventers

Filter

Apollo™ 4ALF72AG6 RPDALF4A Type 2 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72AG7 RPDALF4A Type 2 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72AG8 RPDALF4A Type 2 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72AG9 RPDALF4A Type 2 Backflow Preventer, 4 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72CC10 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72CC3 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72CC4 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72CC6 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72CC7 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72CC8 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72CC9 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72CE10 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72CE3 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72CE4 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72CE6 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72AG6 RPDALF4A Type 2 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72AG7 RPDALF4A Type 2 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72AG8 RPDALF4A Type 2 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72AG9 RPDALF4A Type 2 Backflow Preventer, 4 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72CC10 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72CC3 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72CC4 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72CC6 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72CC7 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72CC8 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72CC9 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72CE10 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72CE3 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72CE4 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF72CE6 RPDALF4A Type 2 Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

My Account

Support

SPECIALTY SERVICES

Contact Us