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 -

Atmospheric Vacuum Breakers

StyleModelInlet SizeMax. Temp.Max. Working PressureMin. Temp.Outlet SizePrice
ALF8A-----€95.19
BLF8AC-----€84.17
CLF8C-----€89.71
DLF8-----€85.77
ELFN388-C 1/41/4"180 Degree F8.6 Bar33 Degree F1/4"€174.71
FLFN388 1/41/4"180 Degree F8.6 Bar33 Degree F1/4"€113.95
GLFN388-SC 1/41/4"180 Degree F8.6 Bar33 Degree F1/4"€155.39
GLFN388-SC 3/83/8"180 Degree F8.6 Bar33 Degree F3/8"€223.73
HLFN388-C 3/83/8"180 Degree F8.6 Bar33 Degree F3/8"€236.18
ILFN388 3/83/8"180° F125 psi33° F3/8"€132.22
StyleModelInlet SizeOutlet SizePrice
ALF008PCQT-L 1/21/2"1/2"€840.39
ALF008PCQT-L 3/43/4"3/4"€1,060.65
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ALF008PCQT-L 3/83/8"3/8"€735.41
StyleModelInlet SizePrice
A767FR 1 1/21 1/2"€937.76
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A767FR 11"€329.38
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A767FR 22"€1,053.77
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StyleModelInlet SizePrice
A767FR 1 1/41 1/4"€834.18
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A767FR 3/43/4"€314.19
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StyleModelHeightInlet SizeOutlet SizeSizeWidthPrice
ALF289-1/2"3.75"1/2"1/2"1/2"2"€370.09
ALF289-3/4"5"3/4"3/4"3/4"3.75"€753.69
WATTS -

LF8B Series, Hose Connection Vacuum Breakers

StyleModelHeightWidthPrice
ALF8B1.5"1.38"€39.32
BLF8BC1.5"1.38"€97.77
CLF8FR1.75"1.75"€110.97
WATTS -

Vacuum Breaker

StyleModelMaterialPrice
A8BBrass€28.20
B8BIBrass€16.38
C8BCChrome-Plated Brass€53.05
WATTS -

LFN388 Series, Atmospheric Vacuum Breaker

StyleModelHeightSizePrice
A1/4 LFN388-C2 5/16"1/4"€246.61
B3/8 LFN388-C2.375"3/8"€321.53
WATTS -

Freeze Resistant Vacuum Breakers

StyleModelInlet SizeInlet Thread TypeMax. Temp.Max. Working PressureMin. Temp.Outlet SizeSeat MaterialThread TypePrice
ALF800M4FR 1 1/21 1/2"FPT140° F150 psi33° F1-1/2"PlasticFPT€899.58
RFQ
BLF800M4FR 1 1/41 1/4"FPT140° F150 psi33° F1-1/4"PlasticFPT€786.12
ALF800M4FR 11"NPT140° F150 psi33° F1"Engineered PlasticNPT€249.61
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CLF800M4FR 1/21/2"FPT140° F150 psi33° F1/2"PlasticFPT€292.71
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ALF800M4FR 22"NPT140° F150 psi33° F2"PlasticNPT€1,093.13
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DLF800M4FR 3/43/4"-140 Degree F10.3 Bar33 Degree F3/4"PlasticNPT€225.85
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WATTS -

Vacuum Breakers

StyleModelItemPrice
ALFFRVB-AAtmospheric Vacuum Breaker€93.67
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BLFFRVB-BAtmospheric Vacuum Breaker€104.68
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A2" LF800M4-QTPressure Vacuum Breaker€5,983.60
C800M4-FRVacuum Breaker€941.27
D1/2 LF800M4-FRVacuum Breaker€825.94
E1/2 LF800M4-QTVacuum Breaker€754.98
F1 1/4 LF800M4-QTVacuum Breaker€1,355.45
G1 1/4 LF800M4-FRVacuum Breaker€1,633.34
A1 1/4 188AVacuum Breaker€443.43
D3/4 LF800M4-FRVacuum Breaker€734.17
H1 1/2 800M4-QTVacuum Breaker€1,481.33
I3/4 NF8Vacuum Breaker€119.14
J2 LF288AM2Vacuum Breaker€1,571.22
H2 LF800M4-FRVacuum Breaker€1,909.82
K2 188AVacuum Breaker€1,392.95
K1 188AVacuum Breaker€323.02
K1 1/2 188AVacuum Breaker€797.79
H1 1/2 LF800M4-FRVacuum Breaker€1,848.96
H1 1/4 800M4-QTVacuum Breaker€1,198.75
I3/4 LFNF8Vacuum Breaker€138.06
L3/4 8PVacuum Breaker€43.45
M3/4 8FRVacuum Breaker€137.59
N3/4 8AVacuum Breaker€119.49
K3/4 188AVacuum Breaker€281.95
H2 800M4-QTVacuum Breaker€1,355.45
WATTS -

Vacuum Breaker Backflow Preventers

StyleModelBackflow Preventer TypeInlet SizeItemMax. Temp.Min. Temp.Price
AN9C-M5Dual Check with Atmospheric Vent3/8"Dual Check Vacuum Breaker140° F33° F€301.94
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B731FRVacuum Breaker3/4"Vacuum Breaker180° F32° F€104.25
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StyleModelInlet SizeOutlet ConnectionOutlet SizeOutlet TypePrice
A9BD-NPTM 1/41/4"Male Threaded1/4"Male Threaded€567.62
A9BD-NPTMXFLARE3/8"Flare Joint3/8"Flare Joint€542.76
A9BD-NPTM 3/83/8"Male Threaded3/8"Male Threaded€520.58
WATTS -

LF288A Series, Anti-Siphon Vacuum Breaker

StyleModelHeightInlet SizeOutlet SizeSizeWidthPrice
ALF288A-1/4"2.25"1/4"1/4"1/4"1.75"€149.04
ALF288A-3/8"2.25"3/8"3/8"3/8"1.75"€165.53
BLF288AC-1/4"2.25"1/4"1/4"1/4"1.75"€150.31
BLF288AC-3/8"2.25"3/8"3/8"3/8"1.75"€229.75
ALF288A-1/2"2.75"1/2"1/2"1/2"2"€124.37
CLF288AC-1/2"2.75"1/2"1/2"1/2"2"€191.58
BLF288AC-3/4"3"3/4"3/4"3/4"2.25"€323.00
ALF288A-3/4"3"3/4"3/4"3/4"2.25"€185.23
ALF288A-1"3.625"--1"2.875"€286.81
BLF288AC-1"3.625"--1"2.875"€452.76
WATTS -

Anti Siphon Vacuum Breakers

StyleModelBody MaterialInlet ConnectionInlet SizeInlet Thread TypeInlet TypeMax. Temp.Max. Working PressureMfr. SeriesPrice
A288A-Z39 1/2BrassFemale Threaded1/2"NPTFemale Threaded180° F125 psi288A€121.54
B188A 1 1/4BrassFemale Threaded1 1/4"NPTFemale Threaded180° F125 psi188A€245.84
B188A 1BrassFemale Threaded1"NPTFemale Threaded180° F125 psi188A€178.16
C288A-MB 3/4Brass-3/4"-Female Threaded180 Degree F8.6 Bar288A€165.72
D188A 3/4Brass-3/4"-Female Threaded180 Degree F8.6 Bar188A€138.12
B188A 2BrassFemale Threaded2"NPTFemale Threaded180° F125 psi188A€689.18
E288AC-MBBrassFemale Threaded3/8"NPTFemale Threaded180° F125 psi288A€154.00
B188A 1 1/2BrassFemale Threaded1 1/2"NPTFemale Threaded180° F125 psi188A€443.33
F800M4QT-QC 3/4Bronze-3/4"-Quick Connect140 Degree F10.3 Bar800M4QT€336.98
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F800M4-QT 1 1/2Bronze-1-1/2"-Female Threaded140 Degree F10.3 Bar800M4QT€656.35
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G800M4QT-SH 1BronzeFemale Threaded1"NPTFemale Threaded140° F150 psi800M4QT€362.54
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H800M4QT-QC 1/2BronzeQuick Connect1/2"NPTQuick Connect140° F150 psi800M4QT€361.15
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G800M4QT-SH 2BronzeFemale Threaded2"NPTFemale Threaded140° F150 psi800M4QT€893.58
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I800M4-QT 2BronzeFemale Threaded2"NPTFemale Threaded140° F150 psi800M4QT€789.29
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J800M4QT 1/2Bronze-1/2"-Female Threaded140 Degree F10.3 Bar800M4QT€307.97
G800M4QT-SH 1 1/2BronzeFemale Threaded1 1/2"NPTFemale Threaded140° F150 psi800M4QT€868.01
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K800M4QT-SH 1/2BronzeFemale Threaded1/2"NPTFemale Threaded140° F150 psi800M4QT€350.80
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L800M4QT-QC 1BronzeQuick Connect1"NPTQuick Connect140° F150 psi800M4QT€348.02
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G800M4-QT 1 1/4BronzeFemale Threaded1 1/4"NPTFemale Threaded140° F150 psi800M4QT€613.13
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G800M4QT-SH 1 1/4BronzeFemale Threaded1 1/4"NPTFemale Threaded140° F150 psi800M4QT€720.93
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MU800M4QT 1BronzeFemale Threaded1"NPTFemale Threaded140° F150 psi800M4QT€363.93
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FU800M4QT 3/4Bronze-3/4"-Female Threaded140 Degree F10.3 Bar800M4QT€352.17
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F800M4QT-SH 3/4Bronze-3/4"-Female Threaded140 Degree F10.3 Bar800M4QT€350.80
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ELF288AC-Z32 1/2Lead Free BrassFlanged Joint1/2"-Flanged Joint--LF288A€194.75
NLF288AM4 1Lead Free BrassFemale Threaded1"NPTFemale Threaded180° F125 psiLF288A€274.15
WATTS -

Hose Connection Vacuum Breakers

StyleModelBody MaterialInlet SizeMax. Temp.Max. Working PressureMfr. SeriesMin. Temp.Outlet SizeThread TypePrice
A8BC 3/4Brass3/4"180 Degree F8.6 Bar833 Degree F3/4"GHT€61.80
A8C 3/4Brass3/4"180 Degree F8.6 Bar833 Degree F3/4"GHT€63.54
BNF-8IBrass3/4"180° F125 psiNF833° F3/4"GHT€59.04
CS-8C 1/2Brass1/2"180 Degree F8.6 Bar833 Degree F1/2"NPTF€111.17
D8BI 3/4Brass3/4"180 Degree F8.6 Bar833 Degree F3/4"GHT€8.08
E8Z-4Brass3/4"180° F125 psi8-3/4"GHT€86.32
F8A 3/4Brass3/4"180 Degree F8.6 Bar833 Degree F3/4"GHT€52.59
GS-8C-FBrass1/2"180° F125 psi833° F1/2"GHT€118.09
A8BI-CBrass3/4"180 Degree F8.6 Bar833 Degree F3/4"GHT€66.29
HS-8C 3/8Brass3/8"180° F125 psi833° F3/8"GHT€102.19
IS8-PC-NPSMBrass1/2"180 Degree F8.6 Bar833 Degree F1/2"GHT€140.87
JNF-8 3/4Brass3/4"180 Degree F8.6 BarNF833 Degree F3/4"GHT€49.20
K8 3/4Brass3/4"180 Degree F8.6 Bar833 Degree F3/4"GHT€41.14
L8AC 3/4Brass3/4"180 Degree F8.6 Bar833 Degree F3/4"GHT€84.26
D8B 3/4Brass3/4"180 Degree F8.6 Bar833 Degree F3/4"GHT€14.17
MS-8 1/2Brass1/2"180 Degree F8.6 Bar833 Degree F1/2"GHT€98.06
N8FR 3/4Brass3/4"180 Degree F8.6 Bar8FR-3/4"GHT€38.77
ALF8BC 3/4Lead Free Brass3/4"180 Degree F8.6 BarLF833 Degree F3/4"GHT€77.67
JLFNF8 3/4Lead Free Brass3/4"180 Degree F8.6 BarLF833 Degree F3/4"GHT€67.07
NLF8FR 3/4Lead Free Brass3/4"180 Degree F8.6 BarLF833 Degree F3/4"GHT€48.49
KLF8 3/4Lead Free Brass3/4"180 Degree F8.6 BarLF833 Degree F3/4"GHT€51.49
ALF8C 3/4Lead Free Brass3/4"180 Degree F8.6 BarLF833 Degree F3/4"GHT€79.40
DLF8B 3/4Lead Free Brass3/4"180 Degree F8.6 BarLF833 Degree F3/4"GHT€17.74
DLF8BI 3/4Lead Free Brass3/4"180 Degree F8.6 BarLF833 Degree F3/4"GHT€10.09
LLF8AC 3/4Lead Free Copper Silicon Alloy3/4"180 Degree F8.6 BarLF833 Degree F3/4"GHT€106.35
WATTS -

Resistant Pressure Vacuum Breakers

StyleModelInlet ConnectionInlet SizeInlet TypeMax. Temp.Max. Working PressureMin. Temp.Outlet ConnectionOutlet SizePrice
A800M4FR 1-1"Female Threaded140 Degree F10.3 Bar33 Degree F-1"€217.05
RFQ
B800M4-FR-SH 3/4-3/4"Female Threaded140 Degree F10.3 Bar33 Degree F-3/4"€381.18
RFQ
CU800M4-FR 3/4-3/4"Female Threaded140 Degree F10.3 Bar33 Degree F-3/4"€341.14
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C800M4-FR-QC 3/4-3/4"Quick Connect140 Degree F10.3 Bar33 Degree F-3/4"€397.06
RFQ
B800M4FR 3/4-3/4"Female Threaded140 Degree F10.3 Bar33 Degree F-3/4"€196.29
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D800M4-FR-SH 2Female Threaded2"Female Threaded140° F150 psi33° FFemale Threaded2"€980.57
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E800M4-FR 2Female Threaded2"Female Threaded140° F150 psi33° FFemale Threaded2"€874.22
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FU800M4-FR 1Female Threaded1"Female Threaded140° F150 psi33° FUnion Joint1"€355.62
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G800M4-FR 1 1/2Female Threaded1 1/2"Female Threaded140° F150 psi33° FFemale Threaded1-1/2"€782.26
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H800M4FR 1/2Female Threaded1/2"Female Threaded140° F150 psi33° FFemale Threaded1/2"€254.51
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I800M4-FR 1 1/4Female Threaded1 1/4"Female Threaded140° F150 psi33° FFemale Threaded1-1/4"€683.59
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H800M4-FR-SH 1/2Female Threaded1/2"Female Threaded140° F150 psi33° FFemale Threaded1/2"€381.18
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D800M4-FR-SH 1Female Threaded1"Female Threaded140° F150 psi33° FFemale Threaded1"€386.00
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G800M4-FR-SH 1 1/2Female Threaded1 1/2"Female Threaded140° F150 psi33° FFemale Threaded1-1/2"€952.95
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J800M4-FR-SH 1 1/4Female Threaded1 1/4"Female Threaded140° F150 psi33° FFemale Threaded1-1/4"€786.55
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K800M4-FR-QC 1/2Quick Connect1/2"Quick Connect140° F150 psi33° FQuick Connect1/2"€397.06
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L800M4-FR-QC 1Quick Connect1"Quick Connect140° F150 psi33° FQuick Connect1"€401.21
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WATTS -

Dual Check Vacuum Breakers

StyleModelInlet ConnectionInlet SizeInlet TypeItemMax. Temp.Max. Working PressureMfr. SeriesMin. Temp.Price
A3/8 LF N9C - 3/8"---Dual Check Vacuum Breaker----€261.72
BLFN9-CD-C 3/4-3/4"Female ThreadedVacuum Breaker140 Degree F8.6 BarLFN9-CD33 Degree F€329.38
CLFN9-Z 1/4-1/4"Female ThreadedVacuum Breaker140 Degree F8.6 BarLFN933 Degree F€259.64
DLFN9CD---Dual Check Vacuum Breaker----€313.44
ELFNLF9 3/8-3/8"Male ThreadedVacuum Breaker140 Degree F10.3 BarLFNLF-933 Degree F€160.45
ELFNLF9-HT 3/4-3/4"Swivel JointVacuum Breaker--LFNLF-9-€173.32
FLFN9C 3/8Female Threaded3/8"Female ThreadedVacuum Breaker140° F125 psiLFN933° F€36.83
GLFN9C-M5 3/8Female Threaded3/8"Female ThreadedVacuum Breaker140° F125 psiLFN933° F€332.16
HLFCLFNLF9 3/8Swivel Joint3/8"Swivel JointVacuum Breaker--LFNLF-9-€167.11
WATTS -

Hose Drop Vacuum Breaker, 1 Inch Size, Brass

ModelItemPrice (ex. VAT)
912HP 1BZ2XUA€919.81
WATTS -

WATTS LF288A-DM 1/2

ModelItemPrice (ex. VAT)
LF288A-DM 1/2CC3ECU€167.11
WATTS -

Anti-Siphon Vacuum Breaker Backflow Preventer, 1/2 Inch Size, Brass

ModelItemPrice (ex. VAT)
288AC-Z32 1/2BZ3ZWH€152.61
RFQ