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™ 4ALF700E9 RPDALF4A Type 1 Backflow Preventer, 3 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247305

MPN:

4ALF700E9

Price:

$6657.60 / EA

QTY

Prop 65:

Price:

$6657.60 / EA

QTY

Compare

Apollo™ 4ALF700G3 RPDALF4A Type 1 Backflow Preventer, 3 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247306

MPN:

4ALF700G3

Price:

$6316.19 / EA

QTY

Prop 65:

Price:

$6316.19 / EA

QTY

Compare

Apollo™ 4ALF700G9 RPDALF4A Type 1 Backflow Preventer, 3 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247307

MPN:

4ALF700G9

Price:

$6444.23 / EA

QTY

Prop 65:

Price:

$6444.23 / EA

QTY

Compare

Apollo™ 4ALF709C3 RPDALF4A Type 1 Backflow Preventer, 2-1/2 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247308

MPN:

4ALF709C3

Price:

$5804.08 / EA

QTY

Prop 65:

Price:

$5804.08 / EA

QTY

Compare

Apollo™ 4ALF709C9 RPDALF4A Type 1 Backflow Preventer, 2-1/2 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247309

MPN:

4ALF709C9

Price:

$6401.55 / EA

QTY

Prop 65:

Price:

$6401.55 / EA

QTY

Compare

Apollo™ 4ALF709E3 RPDALF4A Type 1 Backflow Preventer, 2-1/2 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247310

MPN:

4ALF709E3

Price:

$5804.08 / EA

QTY

Prop 65:

Price:

$5804.08 / EA

QTY

Compare

Apollo™ 4ALF709E9 RPDALF4A Type 1 Backflow Preventer, 2-1/2 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247311

MPN:

4ALF709E9

Price:

$6401.55 / EA

QTY

Prop 65:

Price:

$6401.55 / EA

QTY

Compare

Apollo™ 4ALF709G3 RPDALF4A Type 1 Backflow Preventer, 2-1/2 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247312

MPN:

4ALF709G3

Price:

$5718.71 / EA

QTY

Prop 65:

Price:

$5718.71 / EA

QTY

Compare

Apollo™ 4ALF709G9 RPDALF4A Type 1 Backflow Preventer, 2-1/2 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247313

MPN:

4ALF709G9

Price:

$6188.16 / EA

QTY

Prop 65:

Price:

$6188.16 / EA

QTY

Compare

Apollo™ 4ALF70ABPC RPDALF4A Type 1 Backflow Preventer, 4 in Nominal, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247314

MPN:

4ALF70ABPC

Price:

$3376.68 / EA

QTY

Prop 65:

Price:

$3376.68 / EA

QTY

Compare

Apollo™ 4ALF70ABPE RPDALF4A Type 1 Backflow Preventer, 4 in Nominal, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247315

MPN:

4ALF70ABPE

Price:

$3376.68 / EA

QTY

Prop 65:

Price:

$3376.68 / EA

QTY

Compare

Apollo™ 4ALF70ABPG RPDALF4A Type 1 Backflow Preventer, 4 in Nominal, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247316

MPN:

4ALF70ABPG

Price:

$3116.97 / EA

QTY

Prop 65:

Price:

$3116.97 / EA

QTY

Compare

Apollo™ 4ALF70AC10 RPDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247317

MPN:

4ALF70AC10

Price:

$18444.92 / EA

QTY

Prop 65:

Price:

$18444.92 / EA

QTY

Compare

Apollo™ 4ALF70AC3 RPDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247318

MPN:

4ALF70AC3

Price:

$7681.87 / EA

QTY

Prop 65:

Price:

$7681.87 / EA

QTY

Compare

Apollo™ 4ALF70AC4 RPDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247319

MPN:

4ALF70AC4

Price:

$19700.04 / EA

QTY

Prop 65:

Price:

$19700.04 / EA

QTY

Compare

Apollo™ 4ALF700E9 RPDALF4A Type 1 Backflow Preventer, 3 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247305

MPN:

4ALF700E9

Prop 65:

Price:

$6657.60 / EA

QTY

Compare

Apollo™ 4ALF700G3 RPDALF4A Type 1 Backflow Preventer, 3 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247306

MPN:

4ALF700G3

Prop 65:

Price:

$6316.19 / EA

QTY

Compare

Apollo™ 4ALF700G9 RPDALF4A Type 1 Backflow Preventer, 3 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247307

MPN:

4ALF700G9

Prop 65:

Price:

$6444.23 / EA

QTY

Compare

Apollo™ 4ALF709C3 RPDALF4A Type 1 Backflow Preventer, 2-1/2 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247308

MPN:

4ALF709C3

Prop 65:

Price:

$5804.08 / EA

QTY

Compare

Apollo™ 4ALF709C9 RPDALF4A Type 1 Backflow Preventer, 2-1/2 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247309

MPN:

4ALF709C9

Prop 65:

Price:

$6401.55 / EA

QTY

Compare

Apollo™ 4ALF709E3 RPDALF4A Type 1 Backflow Preventer, 2-1/2 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247310

MPN:

4ALF709E3

Prop 65:

Price:

$5804.08 / EA

QTY

Compare

Apollo™ 4ALF709E9 RPDALF4A Type 1 Backflow Preventer, 2-1/2 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247311

MPN:

4ALF709E9

Prop 65:

Price:

$6401.55 / EA

QTY

Compare

Apollo™ 4ALF709G3 RPDALF4A Type 1 Backflow Preventer, 2-1/2 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247312

MPN:

4ALF709G3

Prop 65:

Price:

$5718.71 / EA

QTY

Compare

Apollo™ 4ALF709G9 RPDALF4A Type 1 Backflow Preventer, 2-1/2 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247313

MPN:

4ALF709G9

Prop 65:

Price:

$6188.16 / EA

QTY

Compare

Apollo™ 4ALF70ABPC RPDALF4A Type 1 Backflow Preventer, 4 in Nominal, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247314

MPN:

4ALF70ABPC

Prop 65:

Price:

$3376.68 / EA

QTY

Compare

Apollo™ 4ALF70ABPE RPDALF4A Type 1 Backflow Preventer, 4 in Nominal, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247315

MPN:

4ALF70ABPE

Prop 65:

Price:

$3376.68 / EA

QTY

Compare

Apollo™ 4ALF70ABPG RPDALF4A Type 1 Backflow Preventer, 4 in Nominal, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247316

MPN:

4ALF70ABPG

Prop 65:

Price:

$3116.97 / EA

QTY

Compare

Apollo™ 4ALF70AC10 RPDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247317

MPN:

4ALF70AC10

Prop 65:

Price:

$18444.92 / EA

QTY

Compare

Apollo™ 4ALF70AC3 RPDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247318

MPN:

4ALF70AC3

Prop 65:

Price:

$7681.87 / EA

QTY

Compare

Apollo™ 4ALF70AC4 RPDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

247319

MPN:

4ALF70AC4

Prop 65:

Price:

$19700.04 / EA

QTY

show:

Backflow Preventers

Filter

Apollo™ 4ALF700E9 RPDALF4A Type 1 Backflow Preventer, 3 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF700G3 RPDALF4A Type 1 Backflow Preventer, 3 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF700G9 RPDALF4A Type 1 Backflow Preventer, 3 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF709C3 RPDALF4A Type 1 Backflow Preventer, 2-1/2 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF709C9 RPDALF4A Type 1 Backflow Preventer, 2-1/2 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF709E3 RPDALF4A Type 1 Backflow Preventer, 2-1/2 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF709E9 RPDALF4A Type 1 Backflow Preventer, 2-1/2 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF709G3 RPDALF4A Type 1 Backflow Preventer, 2-1/2 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF709G9 RPDALF4A Type 1 Backflow Preventer, 2-1/2 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF70ABPC RPDALF4A Type 1 Backflow Preventer, 4 in Nominal, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF70ABPE RPDALF4A Type 1 Backflow Preventer, 4 in Nominal, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF70ABPG RPDALF4A Type 1 Backflow Preventer, 4 in Nominal, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF70AC10 RPDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF70AC3 RPDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF70AC4 RPDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF700E9 RPDALF4A Type 1 Backflow Preventer, 3 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF700G3 RPDALF4A Type 1 Backflow Preventer, 3 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF700G9 RPDALF4A Type 1 Backflow Preventer, 3 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF709C3 RPDALF4A Type 1 Backflow Preventer, 2-1/2 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF709C9 RPDALF4A Type 1 Backflow Preventer, 2-1/2 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF709E3 RPDALF4A Type 1 Backflow Preventer, 2-1/2 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF709E9 RPDALF4A Type 1 Backflow Preventer, 2-1/2 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF709G3 RPDALF4A Type 1 Backflow Preventer, 2-1/2 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF709G9 RPDALF4A Type 1 Backflow Preventer, 2-1/2 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF70ABPC RPDALF4A Type 1 Backflow Preventer, 4 in Nominal, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF70ABPE RPDALF4A Type 1 Backflow Preventer, 4 in Nominal, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF70ABPG RPDALF4A Type 1 Backflow Preventer, 4 in Nominal, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF70AC10 RPDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF70AC3 RPDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF70AC4 RPDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

My Account

Support

SPECIALTY SERVICES

Contact Us