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

Filter

StyleModelSizeInlet SizeOutlet SizeHeightConnection TypeMaterialMax. Temp.Max. Working PressurePrice
ALF289-1/2"1/2"1/2"1/2"3 3/4"NPTLead Free Bronze180°F10.3 Bar€578.29
ALF289-3/4"3/4"3/4"3/4"5"NPTLead Free Bronze180°F10.3 Bar€1,135.91
WATTS -

LF800M4FR Series Vacuum Breakers

StyleModelInlet SizeBody FinishOutlet SizeInlet Thread TypeMax. Temp.Max. Working PressureValve TypeOperationPrice
ALF800M4FR 1 1/21 1/2"Copper Silicon Alloy Plated1 1/2"FPT140°F150 psiQuarter Turn Ball ValveContinuous€908.76
RFQ
BLF800M4FR 1 1/41 1/4"Copper Silicon Alloy Plated1 1/4"FPT140°F150 psiQuarter Turn Ball ValveContinuous€794.14
RFQ
CLF800M4FR 1/21/2"Copper Silicon Alloy Plated1/2"FPT140°F150 psiQuarter Turn Ball ValveContinuous€295.69
RFQ
ALF800M4FR 22"Plain2"NPT140°F150 psiQuarter Turn Ball ValveContinuous€1,104.29
RFQ
StyleModelMPNPrice
A710 1710 1€147.89
RFQ
A710 1 1/2710 1 1/2€260.19
RFQ
A710 1 1/4710 1 1/4€244.17
RFQ
A710 2710 2€347.39
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S8 Series Vacuum Breakers

StyleModelMax. Working PressureInlet SizeBody FinishThread TypeOutlet SizeMax. Temp.Valve TypeOperationPrice
AS-8C 1/28.6 Bar1/2"Chrome PlatedNPTF1/2"180°FNo Shutoff ValveContinuous€157.24
RFQ
BS-8 1/28.6 Bar1/2"PlainGHT1/2"180°FNo Shutoff ValveContinuous€99.06
RFQ
CS-8C 3/8125 psi3/8"Chrome PlatedGHT3/8"180°FNo Shutoff ValveContinuous€103.24
RFQ
DS-8C-F125 psi1/2"Chrome PlatedGHT1/2"180°FNo Shutoff ValveContinuous€119.30
RFQ
WATTS -

288A Series Vacuum Breakers

StyleModelMax. Working PressureInlet SizeOutlet SizeMax. Temp.Valve TypeOperationBody FinishStrainerPrice
A288A-MB 3/48.6 Bar3/4"3/4"180°FNo Shutoff ValveNon ContinuousPlainNo€167.41
RFQ
B288A-Z39 1/2125 psi1/2"1/2"180°FNo Shutoff ValveNon ContinuousPlainNo€122.78
RFQ
StyleModelMPNPrice
ALF767FR 1LF767FR 1€565.05
RFQ
ALF767FR 1 1/2LF767FR 1 1/2€1,137.75
RFQ
ALF767FR 1 1/4LF767FR 1 1/4€1,011.50
RFQ
ALF767FR 1/2LF767FR 1/2€557.39
RFQ
ALF767FR 2LF767FR 2€1,278.68
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ALF767FR 3/4LF767FR 3/4€557.39
RFQ
WATTS -

Dual Check Vacuum Breaker Backflow Preventers

StyleModelInlet SizeMaterialMax. Temp.Max. Working PressureInlet TypeOutlet TypeMin. Temp.Inlet Thread TypePrice
AN9 1/41/4"Brass140°F125 psiFemale ThreadedFemale Threaded33°FNPT€205.09
RFQ
BN9-CD-C3/4"Brass140°F125 psiFemale ThreadedFemale Threaded33°FNPT€283.22
RFQ
WATTS -

188A Series Vacuum Breakers

StyleModelMax. Working PressureInlet SizeOutlet SizeMax. Temp.Valve TypeOperationBody FinishStrainerPrice
A188A 3/48.6 Bar3/4"3/4"180°FNo Shutoff ValveNon ContinuousPlainNo€139.53
RFQ
B188A 2125 psi2"2"180°FNo Shutoff ValveNon ContinuousPlainNo€696.21
RFQ
B188A 1 1/4125 psi1 1/4"1 1/4"180°FNo Shutoff ValveNon ContinuousPlainNo€248.35
RFQ
B188A 1 1/2125 psi1 1/2"1 1/2"180°FNo Shutoff ValveNon ContinuousPlainNo€447.86
RFQ
B188A 1125 psi1"1"180°FNo Shutoff ValveNon ContinuousPlainNo€179.98
RFQ
WATTS -

LFNLF-9 Series Vacuum Breakers

StyleModelValve TypeInlet SizeInlet TypeMax. Temp.Max. Working PressureBody MaterialOperationBody FinishPrice
ALFNLF9 3/8No Shutoff Valve3/8"Male Threaded140°F10.3 BarLead Free BrassNon ContinuousChrome Plated€162.08
RFQ
BLFCLFNLF9 3/8Quarter Turn Ball Valve3/8"Swivel Joint--Lead Free Brass--€168.81
RFQ
ALFNLF9-HT 3/4Quarter Turn Ball Valve3/4"Swivel Joint--Lead Free Brass--€175.09
RFQ
WATTS -

Vacuum Breaker

StyleModelConnection TypeMaterialMax. Temp.Max. Working PressureValve TypeMax. PressureHeightTemp. RangePrice
A8BGHTBrass---125 psi1 1/2"180°F€40.43
B8BIGHTBrass180°F8.6 BarNo Shutoff Valve125 psi1 1/2"180°F€19.15
C8BCGHTBrass---125 psi1 1/2"180°F€83.75
StyleModelInlet SizeMax. Temp.Max. Working PressureBody FinishDisc MaterialMin. Temp.Seat MaterialInlet ConnectionPrice
A767FR 1 1/21 1/2"140°F150 psiRoughSilicone32°FNoryl PlasticFemale Threaded€947.33
RFQ
A767FR 11"140°F150 psiRoughSilicone32°FNoryl PlasticFemale Threaded€332.74
RFQ
A767FR 22"140°F150 psiRoughSilicone32°FNoryl PlasticFemale Threaded€1,064.53
RFQ
WATTS -

Dual Check Backflow Preventers

StyleModelSizeMax. Temp.Connection TypeHeightMax. PressureTemp. RangeSealSeat MaterialPrice
A1X1 LF7R10-U21"180°FFNPT1 7/8"175 psi+33°F to +180°F--€168.74
B3/4 9DM2-PRESS3/4"250°F-2.562"--RubberStainless Steel€203.20
C3/8 SD3-FN3/8"130°FFNPT1.062"150 psi+33°F to +130°F--€593.21
C3/8 SD3-MN3/8"130°FMNPT1.062"150 psi+33°F to +130°F--€643.90
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Atmospheric Vacuum Breakers

StyleModelSealPrice
ALF8Rubber€106.54
RFQ
BLF8ACRubber€79.03
RFQ
CLF8CRubber€123.61
RFQ
DLF8ARubber€130.11
RFQ
WATTS -

Freeze Resistant Vacuum Breakers

StyleModelMax. Working PressureInlet SizeOutlet SizeSeat MaterialMax. Temp.Valve TypeOperationBody FinishPrice
ALF800M4FR 3/410.3 Bar3/4"3/4"Plastic140°FQuarter Turn Ball ValveContinuousPlain€228.16
RFQ
BLF800M4FR 1150 psi1"1"Engineered Plastic140°FQuarter Turn Ball ValveContinuousPlain€252.15
RFQ
WATTS -

Dual Check Vacuum Breakers

StyleModelSizeConnection TypeMaterialMax. Temp.Max. Working PressureValve TypeOperationInlet SizePrice
ALFN9CD--------€289.80
RFQ
BLFN9-CD-C 3/4---140°F8.6 BarNo Shutoff ValveContinuous3/4"€476.61
RFQ
C3/8 LF N9C - 3/8"3/8"FIPChrome-----€282.02
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LF8B Series, Hose Connection Vacuum Breakers

StyleModelHeightConnection TypeMaterialMax. PressureSealTemp. RangePrice
ALF8B1 1/2"GHTLead Free Brass125 psiSilicone+33°F to +180°F€57.46
BLF8BC1 1/2"GHTLead Free Brass125 psiSilicone+33°F to +180°F€130.80
CLF8FR1 3/4"GHTLead Free Brass125 psiSilicone+33°F to +180°F€127.34
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LF288A Series, Anti-Siphon Vacuum Breaker

StyleModelSizeHeightInlet SizeBody FinishOutlet SizeConnection TypeMaterialMax. Temp.Price
ALF288A-1"1"3 5/8"---NPTLead Free Brass-€407.93
BLF288AC-1"1"3 5/8"---NPTLead Free Brass-€572.71
CLF288AC-1/2"1/2"2 3/4"1/2"Polished Chrome1/2"NPTLead Free Brass180°F€290.55
ALF288A-1/2"1/2"2 3/4"1/2"Plain1/2"NPTLead Free Brass180°F€159.14
ALF288A-1/4"1/4"2 1/4"1/4"Plain1/4"NPTLead Free Brass180°F€183.43
BLF288AC-1/4"1/4"2 1/4"1/4"Polished Chrome1/4"NPTLead Free Brass180°F€135.27
BLF288AC-3/4"3/4"3"3/4"Polished Chrome3/4"NPTLead Free Brass180°F€307.09
ALF288A-3/4"3/4"3"3/4"Plain3/4"NPTLead Free Brass180°F€219.66
ALF288A-3/8"3/8"2 1/4"3/8"Plain3/8"NPTLead Free Brass180°F€187.12
BLF288AC-3/8"3/8"2 1/4"3/8"Polished Chrome3/8"NPTLead Free Brass180°F€251.94
StyleModelInlet SizeInlet TypeOutlet SizeOutlet TypeOutlet ConnectionMax. Temp.Max. Working PressureValve TypePrice
A9BD-NPTM 1/41/4"Male Threaded1/4"Male ThreadedMale Threaded140°F150 psiNo Shutoff Valve€573.41
RFQ
A9BD3/8"Flare Joint3/8"Flare Joint-140°F150 psiNo Shutoff Valve€755.09
A9BD-NPTM 3/83/8"Male Threaded3/8"Male ThreadedMale Threaded140°F150 psiNo Shutoff Valve€525.89
RFQ
A9BD-NPTMXFLARE3/8"Male Threaded3/8"Flare JointFlare Joint140°F150 psiNo Shutoff Valve€548.30
RFQ
WATTS -

Resistant Pressure Vacuum Breakers

StyleModelMax. Working PressureInlet SizeOutlet SizeOutlet TypeSeat MaterialOutlet ConnectionMax. Temp.Valve TypePrice
A800M4FR 3/410.3 Bar3/4"3/4"Female ThreadedEngineered Plastic-140°FQuarter Turn Ball Valve€198.30
RFQ
BU800M4-FR 1150 psi1"1"Union JointPlasticUnion Joint140°FQuarter Turn Ball Valve€359.25
RFQ
C800M4-FR 1 1/2150 psi1 1/2"1 1/2"Female ThreadedEngineered PlasticFemale Threaded140°FQuarter Turn Ball Valve€790.24
RFQ
D800M4-FR-SH 1/2150 psi1/2"1/2"Female ThreadedPlasticFemale Threaded140°FQuarter Turn Ball Valve€385.07
RFQ
E800M4-FR 2150 psi2"2"Female ThreadedPlasticFemale Threaded140°FQuarter Turn Ball Valve€883.14
RFQ
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Anti Siphon Vacuum Breakers

StyleModelMax. Temp.Max. Working PressureValve TypeOperationInlet SizeBody FinishOutlet SizeBody MaterialPrice
A800M4-QT 1 1/4140°F150 psiQuarter Turn Ball ValveContinuous1 1/4"Plain1 1/4"Bronze€619.38
RFQ
BLF800M4QT 1/2140°F150 psiQuarter Turn Ball ValveContinuous1/2"Plain1/2"Lead Free Bronze€387.17
RFQ
CLF800M4-QT 1 1/4140°F150 psiQuarter Turn Ball ValveContinuous1 1/4"Copper Silicon Alloy Plated1 1/4"Lead Free Bronze€784.77
RFQ
DLF800M4-QT 1 1/2140°F150 psiQuarter Turn Ball ValveContinuous1 1/2"Plain1 1/2"Lead Free Bronze€762.48
RFQ
ELF800M4QT 2140°F150 psiQuarter Turn Ball ValveContinuous2"Plain2"Lead Free Bronze€996.16
RFQ
FLF800M4QT 3/4140°F10.3 BarQuarter Turn Ball ValveContinuous3/4"Plain3/4"Lead Free Bronze€159.29
RFQ
G800M4-QT 2140°F150 psiQuarter Turn Ball ValveContinuous2"Plain2"Bronze€797.35
RFQ
H288AC-MB180°F125 psiNo Shutoff ValveNon Continuous3/8"Plain3/8"Brass€155.57
RFQ
StyleModelInlet SizeMax. Temp.Max. Working PressureBody FinishDisc MaterialMin. Temp.Seat MaterialInlet ConnectionPrice
A767FR 1 1/41 1/4"140°F150 psiRoughSilicone32°FNoryl PlasticFemale Threaded€842.69
RFQ
A767FR 3/43/4"140°F150 psiRoughSilicone32°FNoryl PlasticFemale Threaded€317.39
RFQ
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