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™ 4ALF117A2F DCLF4A Backflow Preventer With Y-Strainer, 1-1/2 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

CBPN:

245764

MPN:

4ALF117A2F

Price:

$1318.67 / EA

QTY

Prop 65:

Price:

$1318.67 / EA

QTY

Compare

Apollo™ 4ALF117A4 DCLF4A Backflow Preventer, 1-1/2 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

CBPN:

246164

MPN:

4ALF117A4

Price:

$1567.48 / EA

QTY

Prop 65:

Price:

$1567.48 / EA

QTY

Compare

Apollo™ 4ALF117A4F DCLF4A Backflow Preventer, 1-1/2 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

CBPN:

245768

MPN:

4ALF117A4F

Price:

$1567.48 / EA

QTY

Prop 65:

Price:

$1567.48 / EA

QTY

Compare

Apollo™ 4ALF118A2F DCLF4A Backflow Preventer With Y-Strainer, 2 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

CBPN:

183985

MPN:

4ALF118A2F

Price:

$2092.06 / EA

QTY

Prop 65:

Price:

$2092.06 / EA

QTY

Compare

Apollo™ 4ALF118A4 DCLF4A Backflow Preventer, 2 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

CBPN:

246215

MPN:

4ALF118A4

Price:

$1953.44 / EA

QTY

Prop 65:

Price:

$1953.44 / EA

QTY

Compare

Apollo™ 4ALF118A4F DCLF4A Backflow Preventer, 2 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

CBPN:

245771

MPN:

4ALF118A4F

Price:

$1953.44 / EA

QTY

Prop 65:

Price:

$1953.44 / EA

QTY

Compare

Apollo™ 4ALF11C03 DCLF4A Standard Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247072

MPN:

4ALF11C03

Price:

$8766.41 / EA

QTY

Prop 65:

Price:

$8766.41 / EA

QTY

Compare

Apollo Model RPLF 4A Reduced Pressure Backflow Preventer without shutoff valves

Apollo™ 4ALF20001 4ALF-200 LBF Backflow Preventer, 3 in Nominal, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

122713

MPN:

4ALF20001

Price:

$4075.65 / EA

QTY

Prop 65:

Price:

$4075.65 / EA

QTY

Compare

Apollo RPLF4A Backflow Preventer with NRS Grooved Shut-off Valve

Apollo™ 4ALF200011 RPLF4A Standard Principle Backflow Preventer, 3 in Nominal, Non-Rising Stem Groove End Style, Bronze Body, Reduced Pressure, Domestic

CBPN:

247073

MPN:

4ALF200011

Price:

$4701.17 / EA

QTY

Prop 65:

Price:

$4701.17 / EA

QTY

Compare

Apollo RPLF4A Backflow Preventer with NRS Flanged x Grooved Shut-off Valves

Apollo™ 4ALF200012 RPLF4A Standard Principle Backflow Preventer, 3 in Nominal, Non-Rising Stem Flanged x Non-Rising Stem Groove End Style, Bronze Body, Reduced Pressure, Domestic

CBPN:

247074

MPN:

4ALF200012

Price:

$4701.17 / EA

QTY

Prop 65:

Price:

$4701.17 / EA

QTY

Compare

Apollo Model RPLF 4A Reduced Pressure Principle Backflow Preventer

Apollo™ 4ALF20002 4ALF-200 LBF Backflow Preventer, 3 in Nominal, NRS Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

201486

MPN:

4ALF20002

Price:

$5035.89 / EA

QTY

Prop 65:

Price:

$5035.89 / EA

QTY

Compare

Apollo RPLF4A Backflow Preventer with OS&Y Grooved Shut-off Valves

Apollo™ 4ALF20008 RPLF4A Standard Principle Backflow Preventer, 3 in Nominal, Outside Stem and Yoke Groove End Style, Bronze Body, Reduced Pressure, Domestic

CBPN:

247075

MPN:

4ALF20008

Price:

$5035.89 / EA

QTY

Prop 65:

Price:

$5035.89 / EA

QTY

Compare

Apollo RPLF4A Backflow Preventer with Butterfly Shut-off Valves

Apollo™ 4ALF20009 RPLF4A Standard Principle Backflow Preventer, 3 in Nominal, Monitored Butterfly Valve Groove End Style, Bronze Body, Reduced Pressure, Domestic

CBPN:

247076

MPN:

4ALF20009

Price:

$5291.95 / EA

QTY

Prop 65:

Price:

$5291.95 / EA

QTY

Compare

Apollo RPLF4A Backflow Preventer with Ball Valve Shut-offs

Apollo™ 4ALF203A2F 4ALF-200 LBF Backflow Preventer, 1/2 in Nominal, Shut-Off Ball Valve, Bronze Body, Reduced Pressure, Domestic

CBPN:

224487

MPN:

4ALF203A2F

Price:

$747.16 / EA

QTY

Prop 65:

Price:

$747.16 / EA

QTY

Compare

Apollo™ 4ALF203A2FPR RPLF4A Standard Backflow Preventer, 1/2 in Nominal, Bronze Body, Reduced Pressure, Domestic

CBPN:

247660

MPN:

4ALF203A2FPR

Price:

$929.82 / EA

QTY

Prop 65:

Price:

$929.82 / EA

QTY

Compare

Apollo™ 4ALF117A2F DCLF4A Backflow Preventer With Y-Strainer, 1-1/2 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

CBPN:

245764

MPN:

4ALF117A2F

Prop 65:

Price:

$1318.67 / EA

QTY

Compare

Apollo™ 4ALF117A4 DCLF4A Backflow Preventer, 1-1/2 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

CBPN:

246164

MPN:

4ALF117A4

Prop 65:

Price:

$1567.48 / EA

QTY

Compare

Apollo™ 4ALF117A4F DCLF4A Backflow Preventer, 1-1/2 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

CBPN:

245768

MPN:

4ALF117A4F

Prop 65:

Price:

$1567.48 / EA

QTY

Compare

Apollo™ 4ALF118A2F DCLF4A Backflow Preventer With Y-Strainer, 2 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

CBPN:

183985

MPN:

4ALF118A2F

Prop 65:

Price:

$2092.06 / EA

QTY

Compare

Apollo™ 4ALF118A4 DCLF4A Backflow Preventer, 2 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

CBPN:

246215

MPN:

4ALF118A4

Prop 65:

Price:

$1953.44 / EA

QTY

Compare

Apollo™ 4ALF118A4F DCLF4A Backflow Preventer, 2 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

CBPN:

245771

MPN:

4ALF118A4F

Prop 65:

Price:

$1953.44 / EA

QTY

Compare

Apollo™ 4ALF11C03 DCLF4A Standard Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247072

MPN:

4ALF11C03

Prop 65:

Price:

$8766.41 / EA

QTY

Compare

Apollo™ 4ALF20001 4ALF-200 LBF Backflow Preventer, 3 in Nominal, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

122713

MPN:

4ALF20001

Prop 65:

Price:

$4075.65 / EA

QTY

Compare

Apollo™ 4ALF200011 RPLF4A Standard Principle Backflow Preventer, 3 in Nominal, Non-Rising Stem Groove End Style, Bronze Body, Reduced Pressure, Domestic

CBPN:

247073

MPN:

4ALF200011

Prop 65:

Price:

$4701.17 / EA

QTY

Compare

Apollo™ 4ALF200012 RPLF4A Standard Principle Backflow Preventer, 3 in Nominal, Non-Rising Stem Flanged x Non-Rising Stem Groove End Style, Bronze Body, Reduced Pressure, Domestic

CBPN:

247074

MPN:

4ALF200012

Prop 65:

Price:

$4701.17 / EA

QTY

Compare

Apollo™ 4ALF20002 4ALF-200 LBF Backflow Preventer, 3 in Nominal, NRS Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

CBPN:

201486

MPN:

4ALF20002

Prop 65:

Price:

$5035.89 / EA

QTY

Compare

Apollo™ 4ALF20008 RPLF4A Standard Principle Backflow Preventer, 3 in Nominal, Outside Stem and Yoke Groove End Style, Bronze Body, Reduced Pressure, Domestic

CBPN:

247075

MPN:

4ALF20008

Prop 65:

Price:

$5035.89 / EA

QTY

Compare

Apollo™ 4ALF20009 RPLF4A Standard Principle Backflow Preventer, 3 in Nominal, Monitored Butterfly Valve Groove End Style, Bronze Body, Reduced Pressure, Domestic

CBPN:

247076

MPN:

4ALF20009

Prop 65:

Price:

$5291.95 / EA

QTY

Compare

Apollo™ 4ALF203A2F 4ALF-200 LBF Backflow Preventer, 1/2 in Nominal, Shut-Off Ball Valve, Bronze Body, Reduced Pressure, Domestic

CBPN:

224487

MPN:

4ALF203A2F

Prop 65:

Price:

$747.16 / EA

QTY

Compare

Apollo™ 4ALF203A2FPR RPLF4A Standard Backflow Preventer, 1/2 in Nominal, Bronze Body, Reduced Pressure, Domestic

CBPN:

247660

MPN:

4ALF203A2FPR

Prop 65:

Price:

$929.82 / EA

QTY

show:

Backflow Preventers

Filter

Apollo™ 4ALF117A2F DCLF4A Backflow Preventer With Y-Strainer, 1-1/2 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF117A4 DCLF4A Backflow Preventer, 1-1/2 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF117A4F DCLF4A Backflow Preventer, 1-1/2 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF118A2F DCLF4A Backflow Preventer With Y-Strainer, 2 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF118A4 DCLF4A Backflow Preventer, 2 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF118A4F DCLF4A Backflow Preventer, 2 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF11C03 DCLF4A Standard Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF20001 4ALF-200 LBF Backflow Preventer, 3 in Nominal, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF200011 RPLF4A Standard Principle Backflow Preventer, 3 in Nominal, Non-Rising Stem Groove End Style, Bronze Body, Reduced Pressure, Domestic

Apollo™ 4ALF200012 RPLF4A Standard Principle Backflow Preventer, 3 in Nominal, Non-Rising Stem Flanged x Non-Rising Stem Groove End Style, Bronze Body, Reduced Pressure, Domestic

Apollo™ 4ALF20002 4ALF-200 LBF Backflow Preventer, 3 in Nominal, NRS Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF20008 RPLF4A Standard Principle Backflow Preventer, 3 in Nominal, Outside Stem and Yoke Groove End Style, Bronze Body, Reduced Pressure, Domestic

Apollo™ 4ALF20009 RPLF4A Standard Principle Backflow Preventer, 3 in Nominal, Monitored Butterfly Valve Groove End Style, Bronze Body, Reduced Pressure, Domestic

Apollo™ 4ALF203A2F 4ALF-200 LBF Backflow Preventer, 1/2 in Nominal, Shut-Off Ball Valve, Bronze Body, Reduced Pressure, Domestic

Apollo™ 4ALF203A2FPR RPLF4A Standard Backflow Preventer, 1/2 in Nominal, Bronze Body, Reduced Pressure, Domestic

Apollo™ 4ALF117A2F DCLF4A Backflow Preventer With Y-Strainer, 1-1/2 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF117A4 DCLF4A Backflow Preventer, 1-1/2 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF117A4F DCLF4A Backflow Preventer, 1-1/2 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF118A2F DCLF4A Backflow Preventer With Y-Strainer, 2 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF118A4 DCLF4A Backflow Preventer, 2 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF118A4F DCLF4A Backflow Preventer, 2 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF11C03 DCLF4A Standard Backflow Preventer, 6 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF20001 4ALF-200 LBF Backflow Preventer, 3 in Nominal, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF200011 RPLF4A Standard Principle Backflow Preventer, 3 in Nominal, Non-Rising Stem Groove End Style, Bronze Body, Reduced Pressure, Domestic

Apollo™ 4ALF200012 RPLF4A Standard Principle Backflow Preventer, 3 in Nominal, Non-Rising Stem Flanged x Non-Rising Stem Groove End Style, Bronze Body, Reduced Pressure, Domestic

Apollo™ 4ALF20002 4ALF-200 LBF Backflow Preventer, 3 in Nominal, NRS Flanged End Style, 304 Stainless Steel Body, Reduced Pressure, Domestic

Apollo™ 4ALF20008 RPLF4A Standard Principle Backflow Preventer, 3 in Nominal, Outside Stem and Yoke Groove End Style, Bronze Body, Reduced Pressure, Domestic

Apollo™ 4ALF20009 RPLF4A Standard Principle Backflow Preventer, 3 in Nominal, Monitored Butterfly Valve Groove End Style, Bronze Body, Reduced Pressure, Domestic

Apollo™ 4ALF203A2F 4ALF-200 LBF Backflow Preventer, 1/2 in Nominal, Shut-Off Ball Valve, Bronze Body, Reduced Pressure, Domestic

Apollo™ 4ALF203A2FPR RPLF4A Standard Backflow Preventer, 1/2 in Nominal, Bronze Body, Reduced Pressure, Domestic

My Account

Support

SPECIALTY SERVICES

Contact Us