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™ 4ALF60ABPG DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247113

MPN:

4ALF60ABPG

Price:

$2866.46 / EA

QTY

Prop 65:

Price:

$2866.46 / EA

QTY

Compare

Apollo™ 4ALF60AC10 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247114

MPN:

4ALF60AC10

Price:

$13478.98 / EA

QTY

Prop 65:

Price:

$13478.98 / EA

QTY

Compare

Apollo DCDALF 4A Double Check Detector Backflow Preventer

Apollo™ 4ALF60AC3 4ALF-600 Detector Assembly, 4 in Nominal, OSY Flanged End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247115

MPN:

4ALF60AC3

Price:

$6102.80 / EA

QTY

Prop 65:

Price:

$6102.80 / EA

QTY

Compare

Apollo™ 4ALF60AC4 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247116

MPN:

4ALF60AC4

Price:

$14461.25 / EA

QTY

Prop 65:

Price:

$14461.25 / EA

QTY

Compare

Apollo™ 4ALF60AC6 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Flanged End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247117

MPN:

4ALF60AC6

Price:

$6073.89 / EA

QTY

Prop 65:

Price:

$6073.89 / EA

QTY

Compare

Apollo™ 4ALF60AC7 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247118

MPN:

4ALF60AC7

Price:

$13478.98 / EA

QTY

Prop 65:

Price:

$13478.98 / EA

QTY

Compare

Apollo™ 4ALF60AC8 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247119

MPN:

4ALF60AC8

Price:

$13478.98 / EA

QTY

Prop 65:

Price:

$13478.98 / EA

QTY

Compare

Apollo™ 4ALF60AC9 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247120

MPN:

4ALF60AC9

Price:

$6452.76 / EA

QTY

Prop 65:

Price:

$6452.76 / EA

QTY

Compare

Apollo™ 4ALF60AE10 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247121

MPN:

4ALF60AE10

Price:

$13478.98 / EA

QTY

Prop 65:

Price:

$13478.98 / EA

QTY

Compare

Apollo™ 4ALF60AE16 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Monitored Butterfly Valve Groove x Post Indicator Flange End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

246316

MPN:

4ALF60AE16

Price:

$14319.77 / EA

QTY

Prop 65:

Price:

$14319.77 / EA

QTY

Compare

Apollo™ 4ALF60AE3 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247122

MPN:

4ALF60AE3

Price:

$6102.80 / EA

QTY

Prop 65:

Price:

$6102.80 / EA

QTY

Compare

Apollo™ 4ALF60AE4 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247123

MPN:

4ALF60AE4

Price:

$14461.25 / EA

QTY

Prop 65:

Price:

$14461.25 / EA

QTY

Compare

Apollo™ 4ALF60AE6 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Flanged End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247124

MPN:

4ALF60AE6

Price:

$6073.89 / EA

QTY

Prop 65:

Price:

$6073.89 / EA

QTY

Compare

Apollo™ 4ALF60AE7 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247125

MPN:

4ALF60AE7

Price:

$13478.98 / EA

QTY

Prop 65:

Price:

$13478.98 / EA

QTY

Compare

Apollo™ 4ALF60AE8 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247126

MPN:

4ALF60AE8

Price:

$6073.89 / EA

QTY

Prop 65:

Price:

$6073.89 / EA

QTY

Compare

Apollo™ 4ALF60ABPG DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247113

MPN:

4ALF60ABPG

Prop 65:

Price:

$2866.46 / EA

QTY

Compare

Apollo™ 4ALF60AC10 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247114

MPN:

4ALF60AC10

Prop 65:

Price:

$13478.98 / EA

QTY

Compare

Apollo™ 4ALF60AC3 4ALF-600 Detector Assembly, 4 in Nominal, OSY Flanged End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247115

MPN:

4ALF60AC3

Prop 65:

Price:

$6102.80 / EA

QTY

Compare

Apollo™ 4ALF60AC4 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247116

MPN:

4ALF60AC4

Prop 65:

Price:

$14461.25 / EA

QTY

Compare

Apollo™ 4ALF60AC6 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Flanged End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247117

MPN:

4ALF60AC6

Prop 65:

Price:

$6073.89 / EA

QTY

Compare

Apollo™ 4ALF60AC7 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247118

MPN:

4ALF60AC7

Prop 65:

Price:

$13478.98 / EA

QTY

Compare

Apollo™ 4ALF60AC8 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247119

MPN:

4ALF60AC8

Prop 65:

Price:

$13478.98 / EA

QTY

Compare

Apollo™ 4ALF60AC9 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247120

MPN:

4ALF60AC9

Prop 65:

Price:

$6452.76 / EA

QTY

Compare

Apollo™ 4ALF60AE10 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247121

MPN:

4ALF60AE10

Prop 65:

Price:

$13478.98 / EA

QTY

Compare

Apollo™ 4ALF60AE16 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Monitored Butterfly Valve Groove x Post Indicator Flange End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

246316

MPN:

4ALF60AE16

Prop 65:

Price:

$14319.77 / EA

QTY

Compare

Apollo™ 4ALF60AE3 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247122

MPN:

4ALF60AE3

Prop 65:

Price:

$6102.80 / EA

QTY

Compare

Apollo™ 4ALF60AE4 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247123

MPN:

4ALF60AE4

Prop 65:

Price:

$14461.25 / EA

QTY

Compare

Apollo™ 4ALF60AE6 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Flanged End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247124

MPN:

4ALF60AE6

Prop 65:

Price:

$6073.89 / EA

QTY

Compare

Apollo™ 4ALF60AE7 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247125

MPN:

4ALF60AE7

Prop 65:

Price:

$13478.98 / EA

QTY

Compare

Apollo™ 4ALF60AE8 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

CBPN:

247126

MPN:

4ALF60AE8

Prop 65:

Price:

$6073.89 / EA

QTY

show:

Backflow Preventers

Filter

Apollo™ 4ALF60ABPG DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AC10 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AC3 4ALF-600 Detector Assembly, 4 in Nominal, OSY Flanged End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AC4 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AC6 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Flanged End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AC7 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AC8 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AC9 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AE10 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AE16 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Monitored Butterfly Valve Groove x Post Indicator Flange End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AE3 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AE4 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AE6 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Flanged End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AE7 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AE8 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60ABPG DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AC10 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AC3 4ALF-600 Detector Assembly, 4 in Nominal, OSY Flanged End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AC4 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AC6 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Flanged End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AC7 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AC8 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AC9 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AE10 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AE16 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Monitored Butterfly Valve Groove x Post Indicator Flange End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AE3 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AE4 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AE6 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Post Indicator Flanged End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AE7 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Flanged x Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

Apollo™ 4ALF60AE8 DCDALF4A Type 1 Backflow Preventer, 4 in Nominal, Outside Stem and Yoke Groove End Style, 304 Stainless Steel Body, Dual Check, Domestic

My Account

Support

SPECIALTY SERVICES

Contact Us