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™ 4ALF104T1F DCLF4A Standard Backflow Preventer, 3/4 in Nominal, Bronze Body, Dual Check, Domestic

CBPN:

245661

MPN:

4ALF104T1F

Price:

$422.25 / EA

QTY

Prop 65:

Price:

$422.25 / EA

QTY

Compare

Apollo™ 4ALF105A2F 4ALF-100 Standard Backflow Preventer, 1 in Nominal, Shut-Off Ball Valve, Bronze Body, Dual Check, Domestic

CBPN:

221533

MPN:

4ALF105A2F

Price:

$514.71 / EA

QTY

Prop 65:

Price:

$514.71 / EA

QTY

Compare

Apollo™ 4ALF105A2FLL DCLF4A Standard Backflow Preventer, 1 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

CBPN:

245660

MPN:

4ALF105A2FLL

Price:

$587.77 / EA

QTY

Prop 65:

Price:

$587.77 / EA

QTY

Compare

Apollo™ 4ALF105A2LL DCLF4A Standard Backflow Preventer, 1 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

CBPN:

245659

MPN:

4ALF105A2LL

Price:

$587.77 / EA

QTY

Prop 65:

Price:

$587.77 / EA

QTY

Compare

Apollo™ 4ALF105A4F DCLF4A Standard Backflow Preventer, 1 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

CBPN:

245658

MPN:

4ALF105A4F

Price:

$748.84 / EA

QTY

Prop 65:

Price:

$748.84 / EA

QTY

Compare

Apollo™ 4ALF106A2F DCLF4A Standard Backflow Preventer, 1-1/4 in Nominal, FNPT End Style, Bronze Body, Dual Check, Domestic

CBPN:

244981

MPN:

4ALF106A2F

Price:

$913.21 / EA

QTY

Prop 65:

Price:

$913.21 / EA

QTY

Compare

Apollo™ 4ALF106A2FLL DCLF4A Standard Backflow Preventer, 1-1/4 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

CBPN:

245656

MPN:

4ALF106A2FLL

Price:

$986.55 / EA

QTY

Prop 65:

Price:

$986.55 / EA

QTY

Compare

Apollo™ 4ALF106A4 DCLF4A Standard Backflow Preventer, 1-1/4 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

CBPN:

245654

MPN:

4ALF106A4

Price:

$1251.34 / EA

QTY

Prop 65:

Price:

$1251.34 / EA

QTY

Compare

Apollo™ 4ALF106A4F DCLF4A Standard Backflow Preventer, 1-1/4 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

CBPN:

245653

MPN:

4ALF106A4F

Price:

$1301.40 / EA

QTY

Prop 65:

Price:

$1301.40 / EA

QTY

Compare

Apollo™ 4ALF107A2 DCLF4A Standard Backflow Preventer, 1-1/2 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

CBPN:

245652

MPN:

4ALF107A2

Price:

$1076.59 / EA

QTY

Prop 65:

Price:

$1076.59 / EA

QTY

Compare

Apollo™ 4ALF107A2F DCLF4A Standard Backflow Preventer, 1-1/2 in Nominal, FNPT End Style, Bronze Body, Dual Check, Domestic

CBPN:

185235

MPN:

4ALF107A2F

Price:

$1076.59 / EA

QTY

Prop 65:

Price:

$1076.59 / EA

QTY

Compare

Apollo™ 4ALF107A2FLL DCLF4A Standard Backflow Preventer, 1-1/2 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

CBPN:

245651

MPN:

4ALF107A2FLL

Price:

$1202.10 / EA

QTY

Prop 65:

Price:

$1202.10 / EA

QTY

Compare

Apollo™ 4ALF107A4 DCLF4A Standard 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:

245649

MPN:

4ALF107A4

Price:

$1349.90 / EA

QTY

Prop 65:

Price:

$1349.90 / EA

QTY

Compare

Apollo™ 4ALF107A4F DCLF4A Standard 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:

245650

MPN:

4ALF107A4F

Price:

$1446.00 / EA

QTY

Prop 65:

Price:

$1446.00 / EA

QTY

Compare

Apollo™ 4ALF107A4FLL DCLF4A Standard 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:

245648

MPN:

4ALF107A4FLL

Price:

$1463.21 / EA

QTY

Prop 65:

Price:

$1463.21 / EA

QTY

Compare

Apollo™ 4ALF104T1F DCLF4A Standard Backflow Preventer, 3/4 in Nominal, Bronze Body, Dual Check, Domestic

CBPN:

245661

MPN:

4ALF104T1F

Prop 65:

Price:

$422.25 / EA

QTY

Compare

Apollo™ 4ALF105A2F 4ALF-100 Standard Backflow Preventer, 1 in Nominal, Shut-Off Ball Valve, Bronze Body, Dual Check, Domestic

CBPN:

221533

MPN:

4ALF105A2F

Prop 65:

Price:

$514.71 / EA

QTY

Compare

Apollo™ 4ALF105A2FLL DCLF4A Standard Backflow Preventer, 1 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

CBPN:

245660

MPN:

4ALF105A2FLL

Prop 65:

Price:

$587.77 / EA

QTY

Compare

Apollo™ 4ALF105A2LL DCLF4A Standard Backflow Preventer, 1 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

CBPN:

245659

MPN:

4ALF105A2LL

Prop 65:

Price:

$587.77 / EA

QTY

Compare

Apollo™ 4ALF105A4F DCLF4A Standard Backflow Preventer, 1 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

CBPN:

245658

MPN:

4ALF105A4F

Prop 65:

Price:

$748.84 / EA

QTY

Compare

Apollo™ 4ALF106A2F DCLF4A Standard Backflow Preventer, 1-1/4 in Nominal, FNPT End Style, Bronze Body, Dual Check, Domestic

CBPN:

244981

MPN:

4ALF106A2F

Prop 65:

Price:

$913.21 / EA

QTY

Compare

Apollo™ 4ALF106A2FLL DCLF4A Standard Backflow Preventer, 1-1/4 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

CBPN:

245656

MPN:

4ALF106A2FLL

Prop 65:

Price:

$986.55 / EA

QTY

Compare

Apollo™ 4ALF106A4 DCLF4A Standard Backflow Preventer, 1-1/4 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

CBPN:

245654

MPN:

4ALF106A4

Prop 65:

Price:

$1251.34 / EA

QTY

Compare

Apollo™ 4ALF106A4F DCLF4A Standard Backflow Preventer, 1-1/4 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

CBPN:

245653

MPN:

4ALF106A4F

Prop 65:

Price:

$1301.40 / EA

QTY

Compare

Apollo™ 4ALF107A2 DCLF4A Standard Backflow Preventer, 1-1/2 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

CBPN:

245652

MPN:

4ALF107A2

Prop 65:

Price:

$1076.59 / EA

QTY

Compare

Apollo™ 4ALF107A2F DCLF4A Standard Backflow Preventer, 1-1/2 in Nominal, FNPT End Style, Bronze Body, Dual Check, Domestic

CBPN:

185235

MPN:

4ALF107A2F

Prop 65:

Price:

$1076.59 / EA

QTY

Compare

Apollo™ 4ALF107A2FLL DCLF4A Standard Backflow Preventer, 1-1/2 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

CBPN:

245651

MPN:

4ALF107A2FLL

Prop 65:

Price:

$1202.10 / EA

QTY

Compare

Apollo™ 4ALF107A4 DCLF4A Standard 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:

245649

MPN:

4ALF107A4

Prop 65:

Price:

$1349.90 / EA

QTY

Compare

Apollo™ 4ALF107A4F DCLF4A Standard 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:

245650

MPN:

4ALF107A4F

Prop 65:

Price:

$1446.00 / EA

QTY

Compare

Apollo™ 4ALF107A4FLL DCLF4A Standard 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:

245648

MPN:

4ALF107A4FLL

Prop 65:

Price:

$1463.21 / EA

QTY

show:

Backflow Preventers

Filter

Apollo™ 4ALF104T1F DCLF4A Standard Backflow Preventer, 3/4 in Nominal, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF105A2F 4ALF-100 Standard Backflow Preventer, 1 in Nominal, Shut-Off Ball Valve, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF105A2FLL DCLF4A Standard Backflow Preventer, 1 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF105A2LL DCLF4A Standard Backflow Preventer, 1 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF105A4F DCLF4A Standard Backflow Preventer, 1 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF106A2F DCLF4A Standard Backflow Preventer, 1-1/4 in Nominal, FNPT End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF106A2FLL DCLF4A Standard Backflow Preventer, 1-1/4 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF106A4 DCLF4A Standard Backflow Preventer, 1-1/4 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF106A4F DCLF4A Standard Backflow Preventer, 1-1/4 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF107A2 DCLF4A Standard Backflow Preventer, 1-1/2 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF107A2F DCLF4A Standard Backflow Preventer, 1-1/2 in Nominal, FNPT End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF107A2FLL DCLF4A Standard Backflow Preventer, 1-1/2 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF107A4 DCLF4A Standard 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™ 4ALF107A4F DCLF4A Standard 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™ 4ALF107A4FLL DCLF4A Standard 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™ 4ALF104T1F DCLF4A Standard Backflow Preventer, 3/4 in Nominal, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF105A2F 4ALF-100 Standard Backflow Preventer, 1 in Nominal, Shut-Off Ball Valve, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF105A2FLL DCLF4A Standard Backflow Preventer, 1 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF105A2LL DCLF4A Standard Backflow Preventer, 1 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF105A4F DCLF4A Standard Backflow Preventer, 1 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF106A2F DCLF4A Standard Backflow Preventer, 1-1/4 in Nominal, FNPT End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF106A2FLL DCLF4A Standard Backflow Preventer, 1-1/4 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF106A4 DCLF4A Standard Backflow Preventer, 1-1/4 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF106A4F DCLF4A Standard Backflow Preventer, 1-1/4 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF107A2 DCLF4A Standard Backflow Preventer, 1-1/2 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF107A2F DCLF4A Standard Backflow Preventer, 1-1/2 in Nominal, FNPT End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF107A2FLL DCLF4A Standard Backflow Preventer, 1-1/2 in Nominal, Non-Rising Stem Flanged End Style, Bronze Body, Dual Check, Domestic

Apollo™ 4ALF107A4 DCLF4A Standard 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™ 4ALF107A4F DCLF4A Standard 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™ 4ALF107A4FLL DCLF4A Standard Backflow Preventer, 1-1/2 in Nominal, Outside Stem and Yoke Flanged x Monitored Butterfly Valve Groove End Style, Bronze Body, Dual Check, Domestic

My Account

Support

SPECIALTY SERVICES

Contact Us