WATTS Vacuum Breakers

Designed for use with irrigation systems, firelines and industrial process water systems to prevent backsiphonage of contaminants into potable water supply. Can bear pressures up to 150 psi and are offered in GHT, NPT, FIP and FNPT connection types

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WATTS -

8 Series Vacuum Breaker Backflow Preventers

StyleModelMax. Working PressureBody FinishBody MaterialMax. Temp.Valve TypeOperationInlet SizeStrainerPrice
A8C 3/48.6 BarBrassBrass180°FNo Shutoff ValveContinuous3/4"No€64.19
A8BI-C8.6 BarChromeBrass180°FNo Shutoff ValveContinuous3/4"No€66.96
B8P 3/48.6 BarReinforced ThermoplasticReinforced Thermoplastic180°FNo Shutoff ValveContinuous3/4"No€12.39
C8B 3/48.6 BarBrassBrass180°FNo Shutoff ValveContinuous3/4"No€14.32
D8AC 3/48.6 BarChromeBrass180°FNo Shutoff ValveContinuous3/4"No€85.12
E8.758.6 BarPlainBrass180°FNo Shutoff ValveContinuous3/4"No€41.56
F8A 3/48.6 BarBrassBrass180°FNo Shutoff ValveContinuous3/4"No€53.12
G8BI 3/48.6 BarBrassBrass180°FNo Shutoff ValveContinuous3/4"No€8.16
A8BC 3/4125 psiChrome PlatedBrass180°FNo Shutoff ValveContinuous3/4"No€62.43
H8Z-4125 psiBrassBrass180°FNo Shutoff ValveContinuous3/4"No€87.20
WATTS -

Atmospheric Vacuum Breakers

StyleModelBody MaterialConnection TypeSealSeal MaterialBody FinishPrice
ALF8C--Rubber--€105.52
BLF8BrassFemale GHT x Male GHTRubberRubber-€83.72
CLF8ACCopper Silicon AlloyFemale GHT x Male GHTRubberRubberChrome Plated€93.15
DLF8ACopper Silicon AlloyFemale GHT x Male GHTRubberRubber-€115.46
WATTS -

Vacuum Breaker

StyleModelConnection TypeMaterialMax. Temp.Max. Working PressureValve TypeMax. PressureHeightTemp. RangePrice
A8BFemale GHT x Male GHTBrass---125 psi1 1/2"180°F€29.63
B8BIFemale GHT x Male GHTBrass180°F8.6 BarNo Shutoff Valve125 psi1 1/2"180°F€20.52
C8BCGHTBrass---125 psi1 1/2"180°F€60.86
StyleModelMax. Working PressureInlet SizeBody FinishInlet TypeOutlet TypeMin. Temp.Outlet ConnectionOutlet SizePrice
A9BD10.34 Bar3/8"Stainless SteelFlare JointFlare Joint0.5°C-3/8"€828.36
A9BD-NPTM 1/410.34 Bar8 mmPlainMale ThreadedMale Threaded0.5°CMale Threaded1/4"€573.41
A9BD-NPTMXFLARE150 psi3/8"Stainless SteelMale ThreadedFlare Joint33°FFlare Joint-€548.30
A9BD-NPTM 3/8150 psi3/8"PlainMale ThreadedMale Threaded33°FMale Threaded-€525.89
WATTS -

Dual Check Vacuum Breakers

StyleModelConnection TypeBody MaterialSizeMaterialMax. Temp.Max. Working PressureValve TypeOperationPrice
ALFN9-CD-C 3/4-Lead Free Brass--140°F8.6 BarNo Shutoff ValveContinuous€476.62
BLFN9CDFGHT x MGHTBrass------€404.68
C3/8 LF N9C - 3/8 FNPT x FNPTBrass3/8"Chrome----€302.16
StyleModelValve TypeInlet SizeInlet TypeBody FinishMeter TypeInlet Thread TypeMax. Temp.Max. Working PressurePrice
ALFNLF9 3/8No Shutoff Valve10 mmMale ThreadedChromeNo MeterNPT140°F10.3 Bar€162.08
ALFCLFNLF9 3/8Quarter Turn Ball Valve3/8"Swivel Joint-----€168.81
ALFNLF9-HT 3/4Quarter Turn Ball Valve3/4"Swivel JointPolished ChromeNot ApplicableFPT--€175.09
WATTS -

LF800M4QT Series Vacuum Breakers

StyleModelMPN
ALF800M4-QT-FZ 1LF800M4-QT-FZ 1
RFQ
BLF800M4-QT-FZ 1 1/2LF800M4-QT-FZ 1 1/2
RFQ
CLF800M4-QT-FZ 1 1/4LF800M4-QT-FZ 1 1/4
RFQ
WATTS -

800M4QT Series Vacuum Breakers

StyleModelMax. Working PressureBody FinishInlet TypeOutlet SizeOutlet TypeMin. Temp.Seat MaterialInlet SizePrice
A800M4-QT-FZ 1---------
RFQ
B800M4-QT-FZ 1 1/4---------
RFQ
C800M4-QT-FZ 1 1/2---------
RFQ
D800M4-QT-FZ 1/2---------
RFQ
E800M4-QT-FZ 2---------
RFQ
F800M4-QT-FZ 3/4---------
RFQ
G800M4QT-QC 3/410.3 BarCast BronzeQuick Connect3/4"Female Threaded33°FPlastic-€340.42
RFQ
H800M4QT-SH 1 1/410.3 BarCast BronzeFemale Threaded1 1/4"Female Threaded0.5°CPlastic32 mm€728.28
RFQ
IU800M4QT 3/410.3 BarCast BronzeFemale Threaded3/4"Union Joint0.5°CPlastic20 mm€355.77
RFQ
H800M4QT-SH 1 1/2150 psiCast BronzeFemale Threaded1 1/2"Female Threaded33°FPlastic1 1/2"€876.86
RFQ
J800M4QT-QC 1/2150 psiCast BronzeQuick Connect1/2"Female Threaded33°FPlastic1/2"€364.83
RFQ
KU800M4QT 1150 psiCast BronzeFemale Threaded1"Union Joint33°FPlastic1"€367.65
RFQ
L800M4QT 1/2150 psiPlainFemale Threaded1/2"Female Threaded0.5°CEngineered Plastic1/2"€311.12
M800M4QT-SH 1/2150 psiCast BronzeFemale Threaded1/2"Female Threaded33°FPlastic1/2"€354.38
RFQ
N800M4QT-SH 3/4150 psiCast BronzeFemale Threaded3/4"Female Threaded33°FPlastic3/4"€354.38
RFQ
H800M4QT-SH 2150 psiCast BronzeFemale Threaded2"Female Threaded33°FPlastic2"€902.70
RFQ
O800M4QT-QC 1150 psiCast BronzeQuick Connect1"Female Threaded33°FPlastic1"€351.57
RFQ
H800M4QT-SH 1150 psiCast BronzeFemale Threaded1"Female Threaded33°FPlastic1"€366.24
RFQ
StyleModelSizeInlet SizeOutlet SizeHeightConnection TypeMaterialMax. Temp.Max. Working PressurePrice
ALF289-1/2 1/2"1/2"1/2"3 3/4"MNPT x MNPTLead Free Bronze180°F10.3 Bar€687.84
ALF289-3/4 3/4"3/4"3/4"5"MNPT x MNPTLead Free Bronze180°F10.3 Bar€1,260.97
WATTS -

LF288A Series Vacuum Breakers

StyleModelValve TypeMax. Working PressureSizeInlet SizeInlet TypeBody MaterialBody FinishOutlet SizePrice
ALF288AC-Z32 3/8---------
RFQ
BLF288A-1/4 No Shutoff Valve8.6 Bar1/4"1/4"Female ThreadedBrassPlain1/4"€235.18
BLF288A-3/8 No Shutoff Valve8.6 Bar3/8"3/8"Female ThreadedBrassPlain3/8"€220.41
BLF288A-3/4 No Shutoff Valve8.6 Bar3/4"3/4"Female ThreadedBrassPlain3/4"€217.73
ALF288A-SC 1/4No Shutoff Valve8.6 Bar-6 mmFemale ThreadedLead Free BrassSatin Chrome1/4"€172.99
ALF288ASC 1/2No Shutoff Valve125 psi-1/2"Female ThreadedLead Free BrassBrass1/2"€210.67
CLF288AM2 1 1/2No Shutoff Valve125 psi-1 1/2"Female ThreadedLead Free BrassBrass1 1/2"€568.56
DLF288AM4 1No Shutoff Valve8.6 Bar-1"Female ThreadedLead Free BrassBrass1"€276.94
CLF288AM2 3No Shutoff Valve8.6 Bar-3"Female ThreadedLead Free BrassBrass3"€3,366.57
RFQ
ALF288A-SC 3/8No Shutoff Valve8.6 Bar-3/8"Female ThreadedLead Free BrassSatin Chrome3/8"€184.85
ALF288ASC 3/4No Shutoff Valve8.6 Bar-3/4"Female ThreadedLead Free BrassBrass3/4"€214.85
ALF288ASC-Z6 3/4No Shutoff Valve8.6 Bar-3/4"Female ThreadedLead Free BrassBrass3/4"€228.12
CLF288AM2 1 1/4No Shutoff Valve125 psi-1 1/4"Female ThreadedLead Free BrassBrass1 1/4"€484.13
CLF288AM2 2 1/2No Shutoff Valve125 psi-2 1/2"Female ThreadedLead Free BrassBrass2 1/2"€2,537.83
RFQ
CLF288AM2 2No Shutoff Valve8.6 Bar-50 mmFemale ThreadedLead Free BrassBrass2"€883.14
ALF288AC-Z32 1/2Quarter Turn Ball Valve--1/2"Flanged JointLead Free Brass--€196.73
WATTS -

800M4FR Series Vacuum Breakers

StyleModelMax. Working PressureInlet TypeOutlet SizeOutlet TypeMin. Temp.Seat MaterialInlet SizeInlet ConnectionPrice
A800M4FR-FZ 3/4---------
RFQ
B800M4FR-FZ 1 1/2---------
RFQ
C800M4FR-FZ 2---------
RFQ
DU800M4FR-FZ 1---------
RFQ
E800M4FR-FZ 1---------
RFQ
F800M4FR 110.3 BarFemale Threaded1"Female Threaded0.5°CEngineered Plastic25 mm-€219.27
RFQ
G800M4-FR 1 1/410.3 BarFemale Threaded1 1/4"Female Threaded0.5°CPlastic32 mmFemale Threaded€690.56
RFQ
G800M4-FR-SH 1 1/410.3 BarFemale Threaded1 1/4"Female Threaded0.5°CPlastic1 1/4"Female Threaded€794.57
RFQ
H800M4-FR-QC 1/210.3 BarQuick Connect1/2"Quick Connect0.5°CPlastic15 mmQuick Connect€401.11
RFQ
I800M4-FR-SH 1 1/210.3 BarFemale Threaded1 1/2"Female Threaded0.5°CPlastic40 mmFemale Threaded€962.68
RFQ
J800M4-FR-SH 210.3 BarFemale Threaded2"Female Threaded0.5°CPlastic2"Female Threaded€990.57
RFQ
K800M4-FR-SH 3/410.3 BarFemale Threaded3/4"Female Threaded33°FPlastic--€385.07
RFQ
L800M4-FR-QC 3/4150 psiQuick Connect3/4"Quick Connect33°FPlastic3/4"-€401.11
RFQ
MU800M4-FR 3/4150 psiFemale Threaded3/4"Union Joint33°FPlastic--€344.62
RFQ
H800M4-FR-QC 1150 psiQuick Connect1"Quick Connect33°FPlastic1"Quick Connect€405.31
RFQ
K800M4-FR-SH 1150 psiFemale Threaded1"Female Threaded33°FPlastic1"Female Threaded€389.94
RFQ
K800M4FR 1/2150 psiFemale Threaded1/2"Female Threaded33°FEngineered Plastic1/2"Female Threaded€257.10
RFQ
WATTS -

LFN388 Series Vacuum Breakers

StyleModelMax. Working PressureBody FinishBody MaterialInlet SizeOutlet SizeMin. Temp.Body PatternMax. Temp.Price
A1/4 LFN388-C-Polished ChromeBrass, Lead Free Brass---Not Applicable180°F€424.52
BLFN388-SC 3/88.6 BarSatin ChromeLead Free Brass3/8"3/8"33°F-180°F€226.02
CLFN388 1/48.6 BarBronzeLead Free Brass8 mm1/4"1°C-180°F€115.12
DLFN388-SC 1/48.6 BarSatin ChromeLead Free Brass1/4"1/4"33°F-180°F€156.97
ELFN388-C 3/88.6 BarPolished ChromeLead Free Brass3/8"3/8"33°FStraight180°F€238.59
FLFN388 3/8125 psiBronzeLead Free Brass3/8"3/8"33°FStraight180°F€133.57
WATTS -

710 Series Vacuum Breakers

StyleModelMax. Temp.Max. Working PressureBody FinishStrainerDisc MaterialMeter TypeInlet Thread TypeBody MaterialPrice
AUNIV-BL-2-COPLUG110°F150 psiRough BronzeNoRubberNo MeterNPTBronze€244.17
RFQ
B710 1110°F-Rough BronzeNoRubberNo MeterNPTBronze€147.89
RFQ
CNH-BL-2-FA110°F-Rough BronzeNoRubberNo MeterNPTBronze€260.19
RFQ
B710 2110°F150 psiRough BronzeNoRubberNo MeterNPTBronze€347.39
RFQ
WATTS -

288A Series Vacuum Breakers

StyleModelMax. Working PressureInlet SizeMax. Temp.Valve TypeOperationBody FinishStrainerInlet TypePrice
A288A-SC-Z23 1/2---------
RFQ
B288A-Z29 3/4---------
RFQ
C288A-B---------
RFQ
B288A-Z39 1/28.6 Bar15 mm180°FNo Shutoff ValveNon ContinuousBrassNoFemale Threaded€122.78
A288A-MB 3/4125 psi3/4"180°FNo Shutoff ValveNon ContinuousBrassNoFemale Threaded€167.41
StyleModelMax. Temp.Max. Working PressureStrainerDisc MaterialMeter TypeSeat MaterialInlet Thread TypeBody MaterialPrice
ALF767FR 1 1/2140°F150 psiNoSiliconeNo MeterNoryl PlasticNPTLead Free Bronze€1,137.75
RFQ
ALF767FR 2140°F-NoSiliconeNo MeterNoryl PlasticNPTLead Free Bronze€1,278.68
RFQ
ALF767FR 3/4140°F150 psiNoSiliconeNo MeterNoryl PlasticNPTLead Free Bronze€557.39
RFQ
ALF767FR 1/2140°F150 psiNoSiliconeNo MeterNoryl PlasticNPTLead Free Bronze€557.39
RFQ
ALF767FR 1140°F-NoSiliconeNo MeterNoryl PlasticNPTLead Free Bronze€983.36
RFQ
ALF767FR 1 1/4140°F-NoSiliconeNo MeterNoryl PlasticNPTLead Free Bronze€1,011.50
RFQ
WATTS -

LF008PCQT Series Vacuum Breakers

StyleModelMax. Working PressureInlet SizeBody FinishOutlet SizeMin. Temp.Inlet Thread TypeMax. Temp.Valve TypePrice
ALF008PCQT-L 3/810.3 Bar3/8"Cast Copper Silicon Alloy3/8"33°FFPT180°FQuarter Turn Ball Valve€742.92
ALF008PCQT-L 3/410.3 Bar19 mmCast Copper Silicon Alloy3/4"1°CFPT180°FQuarter Turn Ball Valve€1,071.48
RFQ
ALF008PCQT 3/410.3 Bar20 mmEpoxy Coated3/4"0.5°CNPT180°FQuarter Turn Ball Valve€1,000.34
RFQ
ALF008PCQT 110.3 Bar25 mmEpoxy Coated1"0.5°CNPT180°FQuarter Turn Ball Valve€1,104.29
RFQ
BLF008-PC-QT-SC 110.3 Bar1"Satin Chrome1"0.5°CNPT180°FQuarter Turn Ball Valve€2,925.69
RFQ
ALF008PCQT-L 1/2150 psi1/2"Copper Silicon Alloy Plated1/2"33°FFPT180°FQuarter Turn Ball Valve€848.96
ALF008PCQT 1/2150 psi1/2"Epoxy Coated1/2"33°FNPT180°FQuarter Turn Ball Valve€692.71
ALF008PCQT 3/8150 psi3/8"Epoxy Coated3/8"33°FNPT180°FQuarter Turn Ball Valve€791.07
BLF008PCQT-SC 3/8150 psi3/8"Satin Chrome3/8"33°FNPT180°FQuarter Turn Ball Valve€1,731.41
BLF008-PC-QT-SC 3/4150 psi3/4"Satin Chrome3/4"33°FNPT180°FQuarter Turn Ball Valve€3,889.28
RFQ
BLF008PCQT-SC 1/2150 psi1/2"Satin Chrome1/2"33°FNPT180°FQuarter Turn Ball Valve€1,731.41
StyleModelMax. Working PressureBody FinishInlet SizeOutlet SizeMax. Temp.Valve TypeOperationStrainerPrice
A188A 28.6 BarPlain2"2"180°FNo Shutoff ValveNon ContinuousNo€696.21
A188A 1125 psiBrass1"1"180°FNo Shutoff ValveNon ContinuousNo€179.98
A188A 3/4125 psiBrass--180°FNo Shutoff ValveNon ContinuousNo€139.53
A188A 1 1/2125 psiBrass1 1/2"1 1/2"180°FNo Shutoff ValveNon ContinuousNo€447.86
A188A 1 1/4125 psiBrass1 1/4"1 1/4"180°FNo Shutoff ValveNon ContinuousNo€248.35
WATTS -

LF800M4FR Series Vacuum Breakers

StyleModelMax. Working PressureInlet SizeBody FinishOutlet SizeMin. Temp.Inlet Thread TypeMax. Temp.Valve TypePrice
ALF800M4-FR-FZ 1---------
RFQ
BLF800M4-FR-FZ 1/2---------
RFQ
CLF800M4-FR-FZ 3/4---------
RFQ
DLF800M4FR 1 1/210.3 Bar1 1/2"Copper Silicon Alloy Plated1 1/2"0.5°CFPT140°FQuarter Turn Ball Valve€908.76
RFQ
DLF800M4FR 210.3 Bar2"Cast Copper Silicon Alloy2"0.5°CNPT140°FQuarter Turn Ball Valve€1,104.29
RFQ
ELF800M4FR 1 1/410.3 Bar32 mmCast Copper Silicon Alloy1 1/4"0.5°CFPT140°FQuarter Turn Ball Valve€794.14
FLF800M4FR 1/2150 psi1/2"Cast Copper Silicon Alloy1/2"33°FFPT140°FQuarter Turn Ball Valve€295.69
RFQ
WATTS -

LF288A Series, Anti-Siphon Vacuum Breaker

StyleModelSizeConnection TypeHeightBody MaterialBody FinishInlet SizeOutlet SizeMaterialPrice
ALF288AC-1 1"FNPT x FNPT3 5/8"BrassPolished Chrome--Lead Free Brass€674.98
BLF288A-1 1"FNPT x FNPT3 5/8"Brass---Lead Free Brass€504.79
BLF288A-1/2 1/2"FNPT x FNPT2 3/4"BrassPlain1/2"1/2"Lead Free Brass€170.51
CLF288AC-1/2 1/2"FNPT x FNPT2 3/4"BrassPolished Chrome1/2"1/2"Lead Free Brass€330.27
ALF288AC-1/4 1/4"NPT2 1/4"Lead Free BrassPolished Chrome1/4"1/4"Lead Free Brass€180.68
ALF288AC-3/4 3/4"FNPT x FNPT3"BrassPolished Chrome3/4"3/4"Lead Free Brass€410.20
ALF288AC-3/8 3/8"FNPT x FNPT2 1/4"BrassPolished Chrome3/8"3/8"Lead Free Brass€286.32
WATTS -

LF8B Series, Hose Connection Vacuum Breakers

StyleModelSeal MaterialConnection TypeMaterialMax. PressureSealTemp. RangeBody MaterialHeightPrice
ALF8FRRubberFemale GHT x Male GHTLead Free Brass125 psiSilicone+33°F to +180°FBrass-€141.41
BLF8BCRubberFemale GHT x Male GHTLead Free Brass125 psiSilicone+33°F to +180°FBrass1 1/2"€70.81
CLF8BSiliconeFemale GHT x Male GHTLead Free Brass125 psiSilicone+33°F to +180°FBrass1 1/2"€41.69
WATTS -

S8 Series Vacuum Breakers

StyleModelMax. Working PressureInlet SizeBody FinishThread TypeOutlet SizeMax. Temp.Valve TypeOperationPrice
AS-8 1/28.6 Bar1/2"BrassGHT1/2"180°FNo Shutoff ValveContinuous€99.06
BS-8C 1/28.6 Bar1/2"Chrome PlatedNPTF1/2"180°FNo Shutoff ValveContinuous€157.23
CS-8C-F125 psi1/2"ChromeGHT1/2"180°FNo Shutoff ValveContinuous€119.30
BS-8C 3/8125 psi3/8"Chrome PlatedGHT3/8"180°FNo Shutoff ValveContinuous€103.24
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