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 -

LF008PCQT Series Vacuum Breakers

StyleModelInlet SizeMax. Temp.Max. Working PressureMin. Temp.Outlet SizeThread TypePrice (inc. VAT)
ALF008-PC-QT-SC 11"180° F150 psi33° F1"NPT£2,943.42
RFQ
BLF008PCQT 11"180° F150 psi33° F1"NPT£1,110.98
RFQ
CLF008PCQT 1/21/2"180° F150 psi33° F1/2"NPT£611.76
ALF008PCQT-SC 1/21/2"180° F150 psi33° F1/2"NPT£1,741.90
DLF008PCQT-L 1/21/2"180 Degree F10.3 Bar33 Degree F1/2"FPT£854.11
DLF008PCQT-L 3/43/4"180 Degree F10.3 Bar33 Degree F3/4"FPT£1,077.97
RFQ
DLF008PCQT 3/43/4"180 Degree F10.3 Bar33 Degree F3/4"NPT£1,006.40
RFQ
ELF008-PC-QT-SC 3/43/4"180 Degree F10.3 Bar33 Degree F3/4"NPT£2,584.08
RFQ
BLF008PCQT 3/83/8"180° F150 psi33° F3/8"NPT£795.86
DLF008PCQT-L 3/83/8"180 Degree F10.3 Bar33 Degree F3/8"FPT£747.42
ALF008PCQT-SC 3/83/8"180° F150 psi33° F3/8"NPT£1,741.90
WATTS -

Vacuum Breaker Backflow Preventers

StyleModelBackflow Preventer TypeInlet SizeItemMax. Temp.Min. Temp.Price (inc. VAT)
AN9C-M5Dual Check with Atmospheric Vent3/8"Dual Check Vacuum Breaker140° F33° F£306.87
RFQ
B731FRVacuum Breaker3/4"Vacuum Breaker180° F32° F£105.95
RFQ
StyleModelPrice (inc. VAT)
ALF767FR 1/2£560.77
RFQ
ALF767FR 1£568.48
RFQ
ALF767FR 1 1/4£1,017.63
RFQ
ALF767FR 1 1/2£1,144.64
RFQ
ALF767FR 2£1,286.43
RFQ
ALF767FR 3/4£560.77
RFQ
WATTS -

S8 Series Vacuum Breakers

StyleModelInlet SizeMax. Temp.Max. Working PressureMin. Temp.Outlet SizeThread TypePrice (inc. VAT)
AS-8 1/21/2"180 Degree F8.6 Bar33 Degree F1/2"GHT£99.66
BS-8C 1/21/2"180 Degree F8.6 Bar33 Degree F1/2"NPTF£112.99
CS-8C-F1/2"180° F125 psi33° F1/2"GHT£120.02
DS-8C 3/83/8"180° F125 psi33° F3/8"GHT£103.86
StyleModelInlet ConnectionInlet SizeInlet TypeItemOutlet ConnectionOutlet SizeOutlet TypePrice (inc. VAT)
A9BDFlare Joint3/8"Flare JointBackflow PreventerFlare Joint3/8"Flare Joint£696.37
A9BD-NPTM 1/4Male Threaded1/4"Male ThreadedVacuum BreakerMale Threaded1/4"Male Threaded£576.88
A9BD-NPTMXFLAREMale Threaded3/8"Male ThreadedVacuum BreakerFlare Joint3/8"Flare Joint£551.62
A9BD-NPTM 3/8Male Threaded3/8"Male ThreadedVacuum BreakerMale Threaded3/8"Male Threaded£529.08
WATTS -

LF800M4FR Series Vacuum Breakers

StyleModelInlet SizeInlet Thread TypeOutlet SizeThread TypePrice (inc. VAT)
ALF800M4FR 1 1/21 1/2"FPT1-1/2"FPT£914.27
RFQ
BLF800M4FR 1 1/41 1/4"FPT1-1/4"FPT£798.95
CLF800M4FR 1/21/2"FPT1/2"FPT£297.49
RFQ
ALF800M4FR 22"NPT2"NPT£1,110.98
RFQ
WATTS -

8 Series Vacuum Breakers

StyleModelBody MaterialMax. Temp.Max. Working PressurePrice (inc. VAT)
A8AC 3/4Brass180 Degree F8.6 Bar£85.64
B8Z-4Brass180° F125 psi£87.73
C8BC 3/4Brass180 Degree F8.6 Bar£62.81
C8BI-CBrass180 Degree F8.6 Bar£67.37
C8C 3/4Brass180 Degree F8.6 Bar£64.58
D8A 3/4Brass180 Degree F8.6 Bar£53.45
E8BI 3/4Brass180 Degree F8.6 Bar£8.21
E8B 3/4Brass180 Degree F8.6 Bar£14.40
F8 3/4Brass180 Degree F8.6 Bar£41.81
G8P 3/4Reinforced Thermoplastic180 Degree F8.6 Bar£12.47
WATTS -

Dual Check Vacuum Breakers

StyleModelItemPrice (inc. VAT)
A3/8 LF N9C - 3/8"Dual Check Vacuum Breaker£236.44
BLFN9CDDual Check Vacuum Breaker£318.55
CLFN9-CD-C 3/4Vacuum Breaker£334.76
WATTS -

Dual Check Vacuum Breaker Backflow Preventers

StyleModelInlet SizePrice (inc. VAT)
AN9 1/41/4"£206.33
RFQ
BN9-CD-C3/4"£284.94
RFQ
WATTS -

Freeze Resistant Vacuum Breakers

StyleModelInlet SizeMax. Temp.Max. Working PressureMin. Temp.Outlet SizeSeat MaterialPrice (inc. VAT)
ALF800M4FR 11"140° F150 psi33° F1"Engineered Plastic£253.68
RFQ
BLF800M4FR 3/43/4"140 Degree F10.3 Bar33 Degree F3/4"Plastic£229.54
RFQ
WATTS -

Anti Siphon Vacuum Breakers

StyleModelBody MaterialInlet SizeInlet Thread TypeMax. Temp.Max. Working PressureMfr. SeriesMin. Temp.OperationPrice (inc. VAT)
A288AC-MBBrass3/8"NPT180° F125 psi288A-Non Continuous£156.51
B800M4-QT 1 1/4Bronze1 1/4"NPT140° F150 psi800M4QT33° FContinuous£623.14
RFQ
C800M4-QT 2Bronze2"NPT140° F150 psi800M4QT33° FContinuous£802.18
RFQ
DLF800M4QT 3/4Lead Free Bronze3/4"-140 Degree F10.3 BarLF800M4QT33 Degree FContinuous£160.26
RFQ
ELF800M4QT 2Lead Free Bronze2"NPT140° F150 psiLF800M4QT33° FContinuous£1,002.20
RFQ
FLF800M4-QT 1 1/2Lead Free Bronze1 1/2"NPT140° F150 psiLF800M4QT33° FContinuous£767.10
RFQ
GLF800M4QT 1/2Lead Free Bronze1/2"NPT140° F150 psiLF800M4QT33° FContinuous£389.52
RFQ
HLF800M4-QT 1 1/4Lead Free Bronze1 1/4"FPT140° F150 psiLF800M4QT33° FContinuous£789.53
WATTS -

Resistant Pressure Vacuum Breakers

StyleModelInlet SizeMax. Temp.Max. Working PressureMin. Temp.Outlet ConnectionOutlet SizeOutlet TypeSeat MaterialPrice (inc. VAT)
A800M4-FR 1 1/21 1/2"140° F150 psi33° FFemale Threaded1-1/2"Female ThreadedEngineered Plastic£795.03
RFQ
BU800M4-FR 11"140° F150 psi33° FUnion Joint1"Union JointPlastic£361.43
RFQ
C800M4-FR-SH 1/21/2"140° F150 psi33° FFemale Threaded1/2"Female ThreadedPlastic£387.40
RFQ
D800M4-FR 22"140° F150 psi33° FFemale Threaded2"Female ThreadedPlastic£888.49
RFQ
E800M4FR 3/43/4"140 Degree F10.3 Bar33 Degree F-3/4"Female ThreadedEngineered Plastic£199.50
RFQ
StyleModelInlet SizePrice (inc. VAT)
A767FR 1 1/41 1/4"£847.80
RFQ
A767FR 3/43/4"£319.32
RFQ
StyleModelInlet SizePrice (inc. VAT)
A767FR 1 1/21 1/2"£953.07
RFQ
A767FR 11"£334.76
RFQ
A767FR 22"£1,070.98
RFQ
WATTS -

Atmospheric Vacuum Breakers

StyleModelPrice (inc. VAT)
ALF8AC£71.10
BLF8A£96.74
CLF8C£91.18
DLF8£80.05
WATTS -

LFN9 Series Vacuum Breakers

StyleModelInlet SizeItemMax. Temp.Max. Working PressureMin. Temp.Outlet SizePrice (inc. VAT)
ALFN9C 1/2-Backflow Preventer----£607.41
BLFN9-Z 1/41/4"Vacuum Breaker140 Degree F8.6 Bar33 Degree F1/4"£263.88
CLFN9C 3/83/8"Vacuum Breaker140° F125 psi33° F3/8"£297.95
DLFN9C-M5 3/83/8"Vacuum Breaker140° F125 psi33° F3/8"£337.58
WATTS -

800M4FR Series Backflow Preventer Vacuum Breakers

StyleModelInlet ConnectionInlet SizeInlet TypeMax. Temp.Max. Working PressureMin. Temp.Outlet ConnectionOutlet SizePrice (inc. VAT)
A800M4-FR-SH 3/4-3/4"Female Threaded140 Degree F10.3 Bar33 Degree F-3/4"£387.40
RFQ
B800M4FR 1-1"Female Threaded140 Degree F10.3 Bar33 Degree F-1"£220.59
RFQ
CU800M4-FR 3/4-3/4"Female Threaded140 Degree F10.3 Bar33 Degree F-3/4"£346.71
RFQ
C800M4-FR-QC 3/4-3/4"Quick Connect140 Degree F10.3 Bar33 Degree F-3/4"£403.54
RFQ
D800M4FR 1/2Female Threaded1/2"Female Threaded140° F150 psi33° FFemale Threaded1/2"£258.66
RFQ
E800M4-FR-SH 2Female Threaded2"Female Threaded140° F150 psi33° FFemale Threaded2"£996.58
RFQ
F800M4-FR-SH 1 1/4Female Threaded1 1/4"Female Threaded140° F150 psi33° FFemale Threaded1-1/4"£799.39
RFQ
G800M4-FR 1 1/4Female Threaded1 1/4"Female Threaded140° F150 psi33° FFemale Threaded1-1/4"£694.75
RFQ
H800M4-FR-SH 1 1/2Female Threaded1 1/2"Female Threaded140° F150 psi33° FFemale Threaded1-1/2"£968.51
RFQ
E800M4-FR-SH 1Female Threaded1"Female Threaded140° F150 psi33° FFemale Threaded1"£392.30
RFQ
I800M4-FR-QC 1Quick Connect1"Quick Connect140° F150 psi33° FQuick Connect1"£407.76
RFQ
J800M4-FR-QC 1/2Quick Connect1/2"Quick Connect140° F150 psi33° FQuick Connect1/2"£403.54
RFQ
WATTS -

LF8B Series, Hose Connection Vacuum Breakers

StyleModelHeightWidthPrice (inc. VAT)
ALF8BC1.5"1.38"£99.37
BLF8B1.5"1.38"£39.96
CLF8FR1.75"1.75"£112.78
WATTS -

LF288A Series, Anti-Siphon Vacuum Breaker

StyleModelHeightInlet SizeOutlet SizeSizeWidthPrice (inc. VAT)
ALF288A-1/4"2.25"1/4"1/4"1/4"1.75"£151.47
BLF288AC-1/4"2.25"1/4"1/4"1/4"1.75"£152.76
ALF288A-3/8"2.25"3/8"3/8"3/8"1.75"£168.24
BLF288AC-3/8"2.25"3/8"3/8"3/8"1.75"£204.62
CLF288AC-1/2"2.75"1/2"1/2"1/2"2"£194.71
ALF288A-1/2"2.75"1/2"1/2"1/2"2"£126.40
BLF288AC-3/4"3"3/4"3/4"3/4"2.25"£328.27
ALF288A-3/4"3"3/4"3/4"3/4"2.25"£188.26
ALF288A-1"3.625"--1"2.875"£291.50
BLF288AC-1"3.625"--1"2.875"£460.15
StyleModelHeightInlet SizeOutlet SizeSizeWidthPrice (inc. VAT)
ALF289-1/2"3.75"1/2"1/2"1/2"2"£376.13
ALF289-3/4"5"3/4"3/4"3/4"3.75"£765.99
WATTS -

Vacuum Breaker

StyleModelMaterialPrice (inc. VAT)
A8BBrass£28.66
B8BIBrass£16.64
C8BCChrome-Plated Brass£53.92
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