FaucetsAir ToolsBathroom Cabinets & FixturesBathroom HardwareBathroom PlumbingElectrical ToolsGuttering & DrainageHVAC Ducting and VentilationKitchen Fixtures and MaterialsKitchen PlumbingPipes, Fittings & AccessoriesPlumbing Tools & AccessoriesPro ToolsSealants, Fillers and AdhesivesShop Plumbing by FixtureToilets and BidetsValves & Valve RepairWater Heaters, Pumps & Tanks
Sort by|
FaucetsAir ToolsBathroom Cabinets & FixturesBathroom HardwareBathroom PlumbingElectrical ToolsGuttering & DrainageHVAC Ducting and VentilationKitchen Fixtures and MaterialsKitchen PlumbingPipes, Fittings & AccessoriesPlumbing Tools & AccessoriesPro ToolsSealants, Fillers and AdhesivesShop Plumbing by FixtureToilets and BidetsValves & Valve RepairWater Heaters, Pumps & Tanks
Antisiphon Valve(343)
Uses item details. Price when purchased online
1 Pc XFITTING Anti-Siphon Frost Free Sillcock 10" Long, 1/2" Pex A x 3/4" GHT Valves,10-2-3=1XX $26.86

Sponsored
$2686
current price $26.861 Pc XFITTING Anti-Siphon Frost Free Sillcock 10" Long, 1/2" Pex A x 3/4" GHT Valves,10-2-3=1XX
STYDDI 1/2 Inch Push-to-Connect x 3/4 Inch MHT Brass Anti-Siphon Frost Free Sillcock Valve, Outdoor Faucet Competialbe with 1/2-Inch Copper, PEX, CPVC Pipe, 8-Inch Long From $29.69

Sponsored
From$2969
STYDDI 1/2 Inch Push-to-Connect x 3/4 Inch MHT Brass Anti-Siphon Frost Free Sillcock Valve, Outdoor Faucet Competialbe with 1/2-Inch Copper, PEX, CPVC Pipe, 8-Inch Long
524.5 out of 5 Stars. 52 reviews
Save with
KFFKFF 12-Inch Frost-Free Sillcock, 1/2" PTC x 3/4" MHT Hose Bibb, Lead-Free Brass Anti-Siphon Valve, Push-to-Connect Plumbing Fitting, Works with PEX, Copper, and CPVC Pipes $29.99

Sponsored
$2999
current price $29.99KFFKFF 12-Inch Frost-Free Sillcock, 1/2" PTC x 3/4" MHT Hose Bibb, Lead-Free Brass Anti-Siphon Valve, Push-to-Connect Plumbing Fitting, Works with PEX, Copper, and CPVC Pipes
25 out of 5 Stars. 2 reviews
KFFKFF 12-Inch Frost-Free Sillcock, 1/2" PTC x 3/4" MHT Hose Bibb, Lead-Free Brass Anti-Siphon Valve, Push-to-Connect Plumbing Fitting, Works with PEX, Copper, and CPVC Pipes $24.90

Sponsored
$2490
current price $24.90KFFKFF 12-Inch Frost-Free Sillcock, 1/2" PTC x 3/4" MHT Hose Bibb, Lead-Free Brass Anti-Siphon Valve, Push-to-Connect Plumbing Fitting, Works with PEX, Copper, and CPVC Pipes
Hunter PGV-ASV 3/4" Professional Grade Anti-Siphon Irrigation Control Valve $17.30 Was $25.49

Now$1730
current price Now $17.30, Was $25.49$25.49
Hunter PGV-ASV 3/4" Professional Grade Anti-Siphon Irrigation Control Valve
15 out of 5 Stars. 1 reviews
Irritrol 2711DPR Electric Anti-Siphon Valve (3/4") $28.37

$2837
current price $28.37Irritrol 2711DPR Electric Anti-Siphon Valve (3/4")
Rain Bird Anti-Siphon Valve 3/4 in. 150 psi $31.95

$3195
current price $31.95Rain Bird Anti-Siphon Valve 3/4 in. 150 psi
24.5 out of 5 Stars. 2 reviews
Save with
Rain Bird ASVF Anti-Siphon Valve with Flow Control 1 in. FPT | 100-ASVF $34.36

$3436
current price $34.36Rain Bird ASVF Anti-Siphon Valve with Flow Control 1 in. FPT | 100-ASVF
Arrowhead Brass Self-Draining Vacuum Breaker - Automatic Anti-Siphon Valve - 1 Pack $27.67

$2767
current price $27.67Arrowhead Brass Self-Draining Vacuum Breaker - Automatic Anti-Siphon Valve - 1 Pack
Keeney K830-15 Anti-Siphon Toilet Tank Fill Valve $20.76 Was $26.78

Now$2076
current price Now $20.76, Was $26.78$26.78
Keeney K830-15 Anti-Siphon Toilet Tank Fill Valve
145 out of 5 Stars. 14 reviews
VEVOR 12-Inch Frost-Free Sillcock, 1/2" PTC x 3/4" MHT Hose Bibb, Anti-Siphon Lead-Free Brass Valve, Push-to-Connect Brass Plumbing Fitting, Compatible with PEX, Copper, CPVC Pipes $31.99

Sponsored
$3199
current price $31.99VEVOR 12-Inch Frost-Free Sillcock, 1/2" PTC x 3/4" MHT Hose Bibb, Anti-Siphon Lead-Free Brass Valve, Push-to-Connect Brass Plumbing Fitting, Compatible with PEX, Copper, CPVC Pipes
15 out of 5 Stars. 1 reviews
VEVOR Anti-Siphon Frost-Proof Sillcock, 12" Freeze Proof Outdoor Faucet Bib with Backflow Preventer, 1/2" Push-to-Fit Connector X 3/4" Hose Bibb, No Lead Frost-free Spigot for PEX Copper CPVC Pipes $32.90

Sponsored
$3290
current price $32.90VEVOR Anti-Siphon Frost-Proof Sillcock, 12" Freeze Proof Outdoor Faucet Bib with Backflow Preventer, 1/2" Push-to-Fit Connector X 3/4" Hose Bibb, No Lead Frost-free Spigot for PEX Copper CPVC Pipes
Prier Products Anti-Siphon Outdoor Hydrant P-164D12 - Quarter-Turn Frost Free - 12 Inch From $58.41
From$5841
Prier Products Anti-Siphon Outdoor Hydrant P-164D12 - Quarter-Turn Frost Free - 12 Inch
SDFGTstore Heavy Duty Metal Anti Siphon Valves Repair Kits Outdoor Faucet Repair Kit for Plumbing Fixtures Simple Installation From $15.85
From$1585
SDFGTstore Heavy Duty Metal Anti Siphon Valves Repair Kits Outdoor Faucet Repair Kit for Plumbing Fixtures Simple Installation
Proline 104-827HC 1/2" X 10" Quarter Turn Anti-Siphon Frost Free Sillcock From $36.13

4 options
Available in additional 4 optionsFrom$3613
Proline 104-827HC 1/2" X 10" Quarter Turn Anti-Siphon Frost Free Sillcock
104.6 out of 5 Stars. 10 reviews
Rain Bird DASASVF075 Professional Grade Anti-Siphon Valve with Flow Control, 3/4" Threaded Female x Female 4-Pack $137.82

$13782
current price $137.82Rain Bird DASASVF075 Professional Grade Anti-Siphon Valve with Flow Control, 3/4" Threaded Female x Female 4-Pack
1 Pc XFITTING Anti-Siphon Frost Free Sillcock 10" Long, 1/2" Pex x 3/4" GHT Valves, 10-2-2=1XX $25.43

$2543
current price $25.431 Pc XFITTING Anti-Siphon Frost Free Sillcock 10" Long, 1/2" Pex x 3/4" GHT Valves, 10-2-2=1XX
Rain Bird DASASVF100 Professional Grade Anti-Siphon Valve with Flow Control, 1" Threaded Female x Female 3-Pack $112.28

$11228
current price $112.28Rain Bird DASASVF100 Professional Grade Anti-Siphon Valve with Flow Control, 1" Threaded Female x Female 3-Pack
Irritrol 2713DPR Electric Anti-Siphon Valve (1" NPT) $48.36

$4836
current price $48.36Irritrol 2713DPR Electric Anti-Siphon Valve (1" NPT)
3/8 MIP X 3/8 FIP Brass Antisiphon Valve $60.66

$6066
current price $60.663/8 MIP X 3/8 FIP Brass Antisiphon Valve
Best seller KFFKFF 12" Frost-Proof Outdoor Faucet with Anti-Siphon and Backflow Prevention, 1/2" Push-to-Fit Connector x 3/4" Hose Bibb, Lead-Free Spigot for PEX, Copper, and CPVC Pipes $24.99

Sponsored
$2499
current price $24.99KFFKFF 12" Frost-Proof Outdoor Faucet with Anti-Siphon and Backflow Prevention, 1/2" Push-to-Fit Connector x 3/4" Hose Bibb, Lead-Free Spigot for PEX, Copper, and CPVC Pipes
15 out of 5 Stars. 1 reviews
Save with
Height Control Leveng Valve Fits Wabco, Meritor, SRWABK011 OEM $67.99

Sponsored
$6799
current price $67.99Height Control Leveng Valve Fits Wabco, Meritor, SRWABK011 OEM
Rain Bird DASASVF100 Professional Grade Anti-Siphon Valve with Flow Control, 1" Threaded Female x Female 2-Pack $77.99

$7799
current price $77.99Rain Bird DASASVF100 Professional Grade Anti-Siphon Valve with Flow Control, 1" Threaded Female x Female 2-Pack
Thrifco 4543537 Low Profile Anti-Siphon Toilet Tank Fill Valve with Flapper $14.99

$1499
current price $14.99Thrifco 4543537 Low Profile Anti-Siphon Toilet Tank Fill Valve with Flapper
Hunter 1" PGV-ASV Anti-Siphon Valve $21.90

$2190
current price $21.90Hunter 1" PGV-ASV Anti-Siphon Valve
Irritrol 311A-1 Anti-Siphon Valve with Flow Control (1") $64.17

$6417
current price $64.17Irritrol 311A-1 Anti-Siphon Valve with Flow Control (1")
DANCO Anti-Siphon Fill Valve (80008) $13.64 Was $20.97

Now$1364
current price Now $13.64, Was $20.97$20.97
DANCO Anti-Siphon Fill Valve (80008)
24.5 out of 5 Stars. 2 reviews
Lawn Genie Anti-Siphon Valve 3/4 in. 150 psi $26.46

$2646
current price $26.46Lawn Genie Anti-Siphon Valve 3/4 in. 150 psi
33.7 out of 5 Stars. 3 reviews
Rain Bird DAS-ASVF-075 Anti-Siphon Irrigation Valve with Flow Control ;#G344T3486G 34BG82G239073 $42.87

$4287
current price $42.87Rain Bird DAS-ASVF-075 Anti-Siphon Irrigation Valve with Flow Control ;#G344T3486G 34BG82G239073
1 in. Manual Anti Siphon Valve $40.35

$4035
current price $40.351 in. Manual Anti Siphon Valve
Aprilaire Water Solenoid Valve (24V) #4040 $87.99

Sponsored
$8799
current price $87.99Aprilaire Water Solenoid Valve (24V) #4040
Best seller Chat-R-Box (CRB1), Lawn Valve Locator $37.50

Sponsored
$3750
current price $37.50Chat-R-Box (CRB1), Lawn Valve Locator
63.7 out of 5 Stars. 6 reviews
Save with
RAIN Bird DASASVF075 Professional Grade Anti-Siphon Valve with Flow Control, 3/4" Threaded Female x Female 2-Pack $73.88

$7388
current price $73.88RAIN Bird DASASVF075 Professional Grade Anti-Siphon Valve with Flow Control, 3/4" Threaded Female x Female 2-Pack
1/2Hb X 3/8MIP Anti-Siphon Valve, Check and Marine Valves, Brass Fittings $53.19

$5319
current price $53.191/2Hb X 3/8MIP Anti-Siphon Valve, Check and Marine Valves, Brass Fittings
B & K 104-511 Anti-Siphon Frost-Free Sillcock Valve 1/2 x 3/4 in MPT x Hose $36.65

$3665
current price $36.65B & K 104-511 Anti-Siphon Frost-Free Sillcock Valve 1/2 x 3/4 in MPT x Hose
11 out of 5 Stars. 1 reviews
Fluidmaster Anti-Siphon Fill Valve, Fits Brand Universal Fit, For Use with Series Universal Fit, Toilets - Pro 45B $26.65

$2665
current price $26.65Fluidmaster Anti-Siphon Fill Valve, Fits Brand Universal Fit, For Use with Series Universal Fit, Toilets - Pro 45B
Orbit Sprinkler System 3/4-Inch Brass Anti-Siphon Control Valve 51016 From $41.18

4 options
Available in additional 4 optionsFrom$4118
Orbit Sprinkler System 3/4-Inch Brass Anti-Siphon Control Valve 51016
Premier 114843 Universal Anti-siphon Toilet Fill Flush Valve Green $13.99

$1399
current price $13.99Premier 114843 Universal Anti-siphon Toilet Fill Flush Valve Green
STYDDI 1/2 Inch Push-to-Connect x 3/4 Inch MHT Brass Anti-Siphon Frost Free Sillcock Valve, Outdoor Faucet Competialbe with 1/2-Inch Copper, PEX, CPVC Pipe, 8-Inch Long From $29.69

2 options
Available in additional 2 optionsFrom$2969
STYDDI 1/2 Inch Push-to-Connect x 3/4 Inch MHT Brass Anti-Siphon Frost Free Sillcock Valve, Outdoor Faucet Competialbe with 1/2-Inch Copper, PEX, CPVC Pipe, 8-Inch Long
524.5 out of 5 Stars. 52 reviews
Save with
.75" ANTI-SIPHON VALVE W/ WHEEL HANDLE (ARROWHEAD BRASS & PLUMBING - 466PW-075Y) $79.12

$7912
current price $79.12.75" ANTI-SIPHON VALVE W/ WHEEL HANDLE (ARROWHEAD BRASS & PLUMBING - 466PW-075Y)
VEVOR 12-Inch Frost-Free Sillcock, 1/2" PTC x 3/4" MHT Hose Bibb, Anti-Siphon Lead-Free Brass Valve, Push-to-Connect Brass Plumbing Fitting, Compatible with PEX, Copper, CPVC Pipes $31.99

$3199
current price $31.99VEVOR 12-Inch Frost-Free Sillcock, 1/2" PTC x 3/4" MHT Hose Bibb, Anti-Siphon Lead-Free Brass Valve, Push-to-Connect Brass Plumbing Fitting, Compatible with PEX, Copper, CPVC Pipes
15 out of 5 Stars. 1 reviews
Mueller 104-515 Anti-Siphon Frost Proof Sillcock, 8", Brass $33.40

$3340
current price $33.40Mueller 104-515 Anti-Siphon Frost Proof Sillcock, 8", Brass
B & K 104-851HC Anti-Siphon Frost-Free Sillcock Valve, 14 in L, 1/2 x 3/4 in, MPT x Hose, 125 psi, Chrome, Brass Body $42.64

$4264
current price $42.64B & K 104-851HC Anti-Siphon Frost-Free Sillcock Valve, 14 in L, 1/2 x 3/4 in, MPT x Hose, 125 psi, Chrome, Brass Body
B & K 104-517 Anti-Siphon Frost-Free Sillcock Valve 1/2 x 3/4 in MPT x Hose $28.01 Was $33.40

Now$2801
current price Now $28.01, Was $33.40$33.40
B & K 104-517 Anti-Siphon Frost-Free Sillcock Valve 1/2 x 3/4 in MPT x Hose
Rain Bird DASASVF075 Professional Grade Anti-Siphon Valve with Flow Control, 3/4" Threaded Female x Female 3-Pack $101.64

$10164
current price $101.64Rain Bird DASASVF075 Professional Grade Anti-Siphon Valve with Flow Control, 3/4" Threaded Female x Female 3-Pack
B & K Mueller ProLine Quarter Master Anti-Siphon Sillcock Valve 0.50 in. MPT & C Inlet $45.82

$4582
current price $45.82B & K Mueller ProLine Quarter Master Anti-Siphon Sillcock Valve 0.50 in. MPT & C Inlet
Fluidmaster Anti-Siphon Fill Valve 400LSG - Universal Fit Toilets $27.49

$2749
current price $27.49Fluidmaster Anti-Siphon Fill Valve 400LSG - Universal Fit Toilets
Irritrol 2706PR Manual Anti-Siphon Valve (3/4") $31.48 Was $35.16

Now$3148
current price Now $31.48, Was $35.16$35.16
Irritrol 2706PR Manual Anti-Siphon Valve (3/4")
Plastic Anti-Siphon Control Valve - 51023P 1In. Anti Siphon Valve $19.42

$1942
current price $19.42Plastic Anti-Siphon Control Valve - 51023P 1In. Anti Siphon Valve
15 out of 5 Stars. 1 reviews
ProFlo PF73ASPPX Brass Anti-siphon Sillcock 1/2" PEX F1960 X 8" $28.99

$2899
current price $28.99ProFlo PF73ASPPX Brass Anti-siphon Sillcock 1/2" PEX F1960 X 8"
24.5 out of 5 Stars. 2 reviews
Other options to consider(77)
Popular in Antisiphon Valve
Related Products
Manufacturer Varies 3/4" FNPT Stainless Steel Ball Valve Inline 06Q201N04034
Manufacturer Varies 3/4" FNPT Stainless Steel Ball Valve Inline 06Q201N04034$45.51current price $45.51Manufacturer Varies 1/2" FNPT x MNPT Brass Ball Valve Inline 107-323NL
Manufacturer Varies 1/2" FNPT x MNPT Brass Ball Valve Inline 107-323NL$21.16current price $21.16Asahi 1-1/2" Thread PVC Ball Valve 2-Way 161071015
Asahi 1-1/2" Thread PVC Ball Valve 2-Way 161071015$70.26current price $70.26Asahi 1/4" MNPT x FNPT PVC Ball Valve 2-Way 1080002
Asahi 1/4" MNPT x FNPT PVC Ball Valve 2-Way 1080002$39.56current price $39.56Manufacturer Varies 1/4" FNPT Stainless Steel Mini Ball Valve Inline G-SSMF-25NL
Manufacturer Varies 1/4" FNPT Stainless Steel Mini Ball Valve Inline G-SSMF-25NL$38.06current price $38.06Asahi 1/4" MNPT PVC Ball Valve 2-Way 1077002
Asahi 1/4" MNPT PVC Ball Valve 2-Way 1077002$31.00current price $31.001/4" FNPT x MNPT Stainless Steel Mini Ball Valve Inline
1/4" FNPT x MNPT Stainless Steel Mini Ball Valve Inline$33.24current price $33.24Asahi 1/4" MNPT x Barb PVC Ball Valve 2-Way 1078002
Asahi 1/4" MNPT x Barb PVC Ball Valve 2-Way 1078002$39.57current price $39.57Manufacturer Varies Manual 2-Way Ball Valve,NPT,316 SS 06Q103N04034
Manufacturer Varies Manual 2-Way Ball Valve,NPT,316 SS 06Q103N04034$31.23current price $31.23Asahi 1/4" FNPT x Barb PVC Ball Valve 2-Way 1082002
Asahi 1/4" FNPT x Barb PVC Ball Valve 2-Way 1082002$41.81current price $41.81Manufacturer Varies Manual 2-Way Ball Valve,NPT,316 SS 06Q102N04012
Manufacturer Varies Manual 2-Way Ball Valve,NPT,316 SS 06Q102N04012$29.96current price $29.96Asahi 1/4" Barb PVC Ball Valve 2-Way 1079002
Asahi 1/4" Barb PVC Ball Valve 2-Way 1079002$39.00current price $39.00Manufacturer Varies Manual 2-Way Ball Valve,NPT,316 SS 06Q103N04012
Manufacturer Varies Manual 2-Way Ball Valve,NPT,316 SS 06Q103N04012$25.05current price $25.05Yellow Jacket Ball Valve,45 Deg,9 in L,Brass,800 psi 93842
Yellow Jacket Ball Valve,45 Deg,9 in L,Brass,800 psi 93842$89.99current price $89.99Manufacturer Varies 3/4" FNPT Stainless Steel Ball Valve Inline 06Q221N06034
Manufacturer Varies 3/4" FNPT Stainless Steel Ball Valve Inline 06Q221N06034$58.84current price $58.84Asahi 1/4" Socket x Thread PVC Ball Valve 2-Way 1601012
Asahi 1/4" Socket x Thread PVC Ball Valve 2-Way 1601012$98.83current price $98.83Chemtrol 2" Socket x FNPT CPVC Ball Valve Inline True Union U51TB-V 2
Chemtrol 2" Socket x FNPT CPVC Ball Valve Inline True Union U51TB-V 2$303.08current price $303.08Aignep Usa 1/4" FNPT Nickel Brass Mini Ball Valve Angle 86720-04
Aignep Usa 1/4" FNPT Nickel Brass Mini Ball Valve Angle 86720-04$28.55current price $28.55







