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 -

Dual Check Vacuum Breakers

Style	Model	Inlet Connection	Inlet Size	Inlet Type	Item	Max. Temp.	Max. Working Pressure	Mfr. Series	Min. Temp.	Price (ex. VAT)
A	3/8 LF N9C - 3/8"	-	-	-	Dual Check Vacuum Breaker	-	-	-	-	€261.72
B	LFNLF9 3/8	-	3/8"	Male Threaded	Vacuum Breaker	140 Degree F	10.3 Bar	LFNLF-9	33 Degree F	€160.45
C	LFN9-Z 1/4	-	1/4"	Female Threaded	Vacuum Breaker	140 Degree F	8.6 Bar	LFN9	33 Degree F	€259.64
D	LFN9-CD-C 3/4	-	3/4"	Female Threaded	Vacuum Breaker	140 Degree F	8.6 Bar	LFN9-CD	33 Degree F	€329.38
B	LFNLF9-HT 3/4	-	3/4"	Swivel Joint	Vacuum Breaker	-	-	LFNLF-9	-	€173.32
E	LFN9CD	-	-	-	Dual Check Vacuum Breaker	-	-	-	-	€313.44
F	LFN9C 3/8	Female Threaded	3/8"	Female Threaded	Vacuum Breaker	140° F	125 psi	LFN9	33° F	€36.83
G	LFN9C-M5 3/8	Female Threaded	3/8"	Female Threaded	Vacuum Breaker	140° F	125 psi	LFN9	33° F	€332.16
H	LFCLFNLF9 3/8	Swivel Joint	3/8"	Swivel Joint	Vacuum Breaker	-	-	LFNLF-9	-	€167.11

WATTS -

Vacuum Breakers

Style	Model	Item	Price (ex. VAT)
A	LFFRVB-B	Atmospheric Vacuum Breaker	€104.68	RFQ
B	LFFRVB-A	Atmospheric Vacuum Breaker	€93.67	RFQ
B	2" LF800M4-QT	Pressure Vacuum Breaker	€5,983.60
C	3/4 188A	Vacuum Breaker	€281.95
D	1/2 800M4-QT	Vacuum Breaker	€536.99
E	1/2 LF800M4-QT	Vacuum Breaker	€754.98
F	1/2 LF800M4-FR	Vacuum Breaker	€825.94
G	2 1/2 LF288AM2	Vacuum Breaker	€4,317.38
H	2 800M4-QT	Vacuum Breaker	€1,355.45
H	2 LF800M4-FR	Vacuum Breaker	€1,909.82
C	2 188A	Vacuum Breaker	€1,392.95
C	1 188A	Vacuum Breaker	€323.02
G	2 LF288AM2	Vacuum Breaker	€1,571.22
I	3/4 NF8	Vacuum Breaker	€119.14
J	3/4 8FR	Vacuum Breaker	€137.59
I	3/4 LFNF8	Vacuum Breaker	€138.06
H	1 LF800M4-FR	Vacuum Breaker	€743.01
K	1 1/4 LF800M4-QT	Vacuum Breaker	€1,355.45
G	1 1/4 LF288AM2	Vacuum Breaker	€969.71
L	3/4 8A	Vacuum Breaker	€119.49
M	1 1/4 LF800M4-FR	Vacuum Breaker	€1,633.34
B	1 1/4 188A	Vacuum Breaker	€443.43
G	1 1/2 LF288AM2	Vacuum Breaker	€1,011.89
N	1 1/2 LF800M4-QT	Vacuum Breaker	€1,671.91
H	1 1/2 LF800M4-FR	Vacuum Breaker	€1,848.96

WATTS -

Anti Siphon Vacuum Breakers

Style	Model	Body Material	Inlet Connection	Inlet Size	Inlet Thread Type	Inlet Type	Max. Temp.	Max. Working Pressure	Mfr. Series	Price (ex. VAT)
A	188A 2	Brass	Female Threaded	2"	NPT	Female Threaded	180° F	125 psi	188A	€689.18
B	288A-Z39 1/2	Brass	Female Threaded	1/2"	NPT	Female Threaded	180° F	125 psi	288A	€121.54
A	188A 1 1/2	Brass	Female Threaded	1 1/2"	NPT	Female Threaded	180° F	125 psi	188A	€443.33
C	188A 3/4	Brass	-	3/4"	-	Female Threaded	180 Degree F	8.6 Bar	188A	€138.12
A	188A 1 1/4	Brass	Female Threaded	1 1/4"	NPT	Female Threaded	180° F	125 psi	188A	€245.84
D	288AC-MB	Brass	Female Threaded	3/8"	NPT	Female Threaded	180° F	125 psi	288A	€154.00
E	288A-MB 3/4	Brass	-	3/4"	-	Female Threaded	180 Degree F	8.6 Bar	288A	€165.72
A	188A 1	Brass	Female Threaded	1"	NPT	Female Threaded	180° F	125 psi	188A	€178.16
F	800M4QT-SH 2	Bronze	Female Threaded	2"	NPT	Female Threaded	140° F	150 psi	800M4QT	€893.58	RFQ
G	800M4-QT 2	Bronze	Female Threaded	2"	NPT	Female Threaded	140° F	150 psi	800M4QT	€789.29	RFQ
F	800M4QT-SH 1 1/4	Bronze	Female Threaded	1 1/4"	NPT	Female Threaded	140° F	150 psi	800M4QT	€720.93	RFQ
H	800M4QT-SH 3/4	Bronze	-	3/4"	-	Female Threaded	140 Degree F	10.3 Bar	800M4QT	€350.80	RFQ
I	800M4QT-QC 1/2	Bronze	Quick Connect	1/2"	NPT	Quick Connect	140° F	150 psi	800M4QT	€361.15	RFQ
J	800M4QT-QC 1	Bronze	Quick Connect	1"	NPT	Quick Connect	140° F	150 psi	800M4QT	€348.02	RFQ
F	800M4QT-SH 1	Bronze	Female Threaded	1"	NPT	Female Threaded	140° F	150 psi	800M4QT	€362.54	RFQ
K	U800M4QT 1	Bronze	Female Threaded	1"	NPT	Female Threaded	140° F	150 psi	800M4QT	€363.93	RFQ
H	800M4QT-QC 3/4	Bronze	-	3/4"	-	Quick Connect	140 Degree F	10.3 Bar	800M4QT	€336.98	RFQ
H	U800M4QT 3/4	Bronze	-	3/4"	-	Female Threaded	140 Degree F	10.3 Bar	800M4QT	€352.17	RFQ
L	800M4QT-SH 1/2	Bronze	Female Threaded	1/2"	NPT	Female Threaded	140° F	150 psi	800M4QT	€350.80	RFQ
F	800M4QT-SH 1 1/2	Bronze	Female Threaded	1 1/2"	NPT	Female Threaded	140° F	150 psi	800M4QT	€868.01	RFQ
H	800M4-QT 1 1/2	Bronze	-	1-1/2"	-	Female Threaded	140 Degree F	10.3 Bar	800M4QT	€656.35	RFQ
M	800M4QT 1/2	Bronze	-	1/2"	-	Female Threaded	140 Degree F	10.3 Bar	800M4QT	€307.97
F	800M4-QT 1 1/4	Bronze	Female Threaded	1 1/4"	NPT	Female Threaded	140° F	150 psi	800M4QT	€613.13	RFQ
N	LF288AM2 1 1/4	Lead Free Brass	Female Threaded	1 1/4"	NPT	Female Threaded	180° F	125 psi	LF288A	€479.24
N	LF288AM2 2 1/2	Lead Free Brass	Female Threaded	2 1/2"	NPT	Female Threaded	180° F	125 psi	LF288A	€2,512.19	RFQ

WATTS -

Hose Connection Vacuum Breakers

Style	Model	Body Material	Inlet Size	Max. Temp.	Max. Working Pressure	Mfr. Series	Min. Temp.	Outlet Size	Thread Type	Price (ex. VAT)
A	S-8C 1/2	Brass	1/2"	180 Degree F	8.6 Bar	8	33 Degree F	1/2"	NPTF	€111.17
B	8FR 3/4	Brass	3/4"	180 Degree F	8.6 Bar	8FR	-	3/4"	GHT	€38.77
C	8 3/4	Brass	3/4"	180 Degree F	8.6 Bar	8	33 Degree F	3/4"	GHT	€41.14
D	8AC 3/4	Brass	3/4"	180 Degree F	8.6 Bar	8	33 Degree F	3/4"	GHT	€84.26
E	8B 3/4	Brass	3/4"	180 Degree F	8.6 Bar	8	33 Degree F	3/4"	GHT	€14.17
F	NF-8I	Brass	3/4"	180° F	125 psi	NF8	33° F	3/4"	GHT	€59.04
G	S-8 1/2	Brass	1/2"	180 Degree F	8.6 Bar	8	33 Degree F	1/2"	GHT	€98.06
H	S-8C 3/8	Brass	3/8"	180° F	125 psi	8	33° F	3/8"	GHT	€102.19
I	8BI-C	Brass	3/4"	180 Degree F	8.6 Bar	8	33 Degree F	3/4"	GHT	€66.29
I	8C 3/4	Brass	3/4"	180 Degree F	8.6 Bar	8	33 Degree F	3/4"	GHT	€63.54
J	S-8C-F	Brass	1/2"	180° F	125 psi	8	33° F	1/2"	GHT	€118.09
K	8A 3/4	Brass	3/4"	180 Degree F	8.6 Bar	8	33 Degree F	3/4"	GHT	€52.59
L	8Z-4	Brass	3/4"	180° F	125 psi	8	-	3/4"	GHT	€86.32
E	8BI 3/4	Brass	3/4"	180 Degree F	8.6 Bar	8	33 Degree F	3/4"	GHT	€8.08
I	8BC 3/4	Brass	3/4"	180 Degree F	8.6 Bar	8	33 Degree F	3/4"	GHT	€61.80
M	S8-PC-NPSM	Brass	1/2"	180 Degree F	8.6 Bar	8	33 Degree F	1/2"	GHT	€140.87
N	NF-8 3/4	Brass	3/4"	180 Degree F	8.6 Bar	NF8	33 Degree F	3/4"	GHT	€49.20
B	LF8FR 3/4	Lead Free Brass	3/4"	180 Degree F	8.6 Bar	LF8	33 Degree F	3/4"	GHT	€48.49
C	LF8 3/4	Lead Free Brass	3/4"	180 Degree F	8.6 Bar	LF8	33 Degree F	3/4"	GHT	€51.49
N	LFNF8 3/4	Lead Free Brass	3/4"	180 Degree F	8.6 Bar	LF8	33 Degree F	3/4"	GHT	€67.07
E	LF8BI 3/4	Lead Free Brass	3/4"	180 Degree F	8.6 Bar	LF8	33 Degree F	3/4"	GHT	€10.09
I	LF8BC 3/4	Lead Free Brass	3/4"	180 Degree F	8.6 Bar	LF8	33 Degree F	3/4"	GHT	€77.67
I	LF8C 3/4	Lead Free Brass	3/4"	180 Degree F	8.6 Bar	LF8	33 Degree F	3/4"	GHT	€79.40
E	LF8B 3/4	Lead Free Brass	3/4"	180 Degree F	8.6 Bar	LF8	33 Degree F	3/4"	GHT	€17.74
D	LF8AC 3/4	Lead Free Copper Silicon Alloy	3/4"	180 Degree F	8.6 Bar	LF8	33 Degree F	3/4"	GHT	€106.35

WATTS -

Resistant Pressure Vacuum Breakers

Style	Model	Inlet Connection	Inlet Size	Inlet Type	Max. Temp.	Max. Working Pressure	Min. Temp.	Outlet Connection	Outlet Size	Price (ex. VAT)
A	800M4FR 1	-	1"	Female Threaded	140 Degree F	10.3 Bar	33 Degree F	-	1"	€217.05	RFQ
B	U800M4-FR 3/4	-	3/4"	Female Threaded	140 Degree F	10.3 Bar	33 Degree F	-	3/4"	€341.14	RFQ
C	800M4-FR-SH 3/4	-	3/4"	Female Threaded	140 Degree F	10.3 Bar	33 Degree F	-	3/4"	€381.18	RFQ
B	800M4-FR-QC 3/4	-	3/4"	Quick Connect	140 Degree F	10.3 Bar	33 Degree F	-	3/4"	€397.06	RFQ
C	800M4FR 3/4	-	3/4"	Female Threaded	140 Degree F	10.3 Bar	33 Degree F	-	3/4"	€196.29	RFQ
D	800M4-FR-SH 1 1/2	Female Threaded	1 1/2"	Female Threaded	140° F	150 psi	33° F	Female Threaded	1-1/2"	€952.95	RFQ
E	800M4-FR-SH 1	Female Threaded	1"	Female Threaded	140° F	150 psi	33° F	Female Threaded	1"	€386.00	RFQ
F	800M4-FR-SH 1/2	Female Threaded	1/2"	Female Threaded	140° F	150 psi	33° F	Female Threaded	1/2"	€381.18	RFQ
G	800M4-FR 2	Female Threaded	2"	Female Threaded	140° F	150 psi	33° F	Female Threaded	2"	€874.22	RFQ
F	800M4FR 1/2	Female Threaded	1/2"	Female Threaded	140° F	150 psi	33° F	Female Threaded	1/2"	€254.51	RFQ
H	U800M4-FR 1	Female Threaded	1"	Female Threaded	140° F	150 psi	33° F	Union Joint	1"	€355.62	RFQ
D	800M4-FR 1 1/2	Female Threaded	1 1/2"	Female Threaded	140° F	150 psi	33° F	Female Threaded	1-1/2"	€782.26	RFQ
I	800M4-FR-SH 1 1/4	Female Threaded	1 1/4"	Female Threaded	140° F	150 psi	33° F	Female Threaded	1-1/4"	€786.55	RFQ
E	800M4-FR-SH 2	Female Threaded	2"	Female Threaded	140° F	150 psi	33° F	Female Threaded	2"	€980.57	RFQ
J	800M4-FR 1 1/4	Female Threaded	1 1/4"	Female Threaded	140° F	150 psi	33° F	Female Threaded	1-1/4"	€683.59	RFQ
K	800M4-FR-QC 1/2	Quick Connect	1/2"	Quick Connect	140° F	150 psi	33° F	Quick Connect	1/2"	€397.06	RFQ
L	800M4-FR-QC 1	Quick Connect	1"	Quick Connect	140° F	150 psi	33° F	Quick Connect	1"	€401.21	RFQ

WATTS -

Triple Check Vacuum Breakers

Style	Model	Inlet Size	Outlet Connection	Outlet Size	Outlet Type	Price (ex. VAT)
A	9BD-NPTM 1/4	1/4"	Male Threaded	1/4"	Male Threaded	€567.62
A	9BD-NPTMXFLARE	3/8"	Flare Joint	3/8"	Flare Joint	€542.76
A	9BD-NPTM 3/8	3/8"	Male Threaded	3/8"	Male Threaded	€520.58

WATTS -

LF288A Series, Anti-Siphon Vacuum Breaker

Style	Model	Height	Inlet Size	Outlet Size	Size	Width	Price (ex. VAT)
A	LF288A-1/4"	2.25"	1/4"	1/4"	1/4"	1.75"	€149.04
B	LF288AC-3/8"	2.25"	3/8"	3/8"	3/8"	1.75"	€229.75
A	LF288A-3/8"	2.25"	3/8"	3/8"	3/8"	1.75"	€165.53
B	LF288AC-1/4"	2.25"	1/4"	1/4"	1/4"	1.75"	€150.31
C	LF288AC-1/2"	2.75"	1/2"	1/2"	1/2"	2"	€191.58
A	LF288A-1/2"	2.75"	1/2"	1/2"	1/2"	2"	€124.37
B	LF288AC-3/4"	3"	3/4"	3/4"	3/4"	2.25"	€323.00
A	LF288A-3/4"	3"	3/4"	3/4"	3/4"	2.25"	€185.23
A	LF288A-1"	3.625"	-	-	1"	2.875"	€286.81
B	LF288AC-1"	3.625"	-	-	1"	2.875"	€452.76

WATTS -

Freeze Resistant Vacuum Breakers

Style	Model	Inlet Size	Inlet Thread Type	Max. Temp.	Max. Working Pressure	Min. Temp.	Outlet Size	Seat Material	Thread Type	Price (ex. VAT)
A	LF800M4FR 1 1/2	1 1/2"	FPT	140° F	150 psi	33° F	1-1/2"	Plastic	FPT	€899.58	RFQ
B	LF800M4FR 1 1/4	1 1/4"	FPT	140° F	150 psi	33° F	1-1/4"	Plastic	FPT	€786.12
A	LF800M4FR 1	1"	NPT	140° F	150 psi	33° F	1"	Engineered Plastic	NPT	€249.61	RFQ
C	LF800M4FR 1/2	1/2"	FPT	140° F	150 psi	33° F	1/2"	Plastic	FPT	€292.71	RFQ
A	LF800M4FR 2	2"	NPT	140° F	150 psi	33° F	2"	Plastic	NPT	€1,093.13	RFQ
D	LF800M4FR 3/4	3/4"	-	140 Degree F	10.3 Bar	33 Degree F	3/4"	Plastic	NPT	€225.85	RFQ

WATTS -

Vacuum Breaker Backflow Preventers

Style	Model	Backflow Preventer Type	Inlet Size	Item	Max. Temp.	Min. Temp.	Price (ex. VAT)
A	N9C-M5	Dual Check with Atmospheric Vent	3/8"	Dual Check Vacuum Breaker	140° F	33° F	€301.94	RFQ
B	731FR	Vacuum Breaker	3/4"	Vacuum Breaker	180° F	32° F	€104.25	RFQ

WATTS -

Freeze Resistant Pressure Vacuum Breaker Backflow Preventers

Style	Model	Inlet Size	Price (ex. VAT)
A	767FR 1 1/4	1 1/4"	€834.18	RFQ
A	767FR 3/4	3/4"	€314.19	RFQ

WATTS -

Pressure Vacuum Breaker Backflow Preventers

Style	Model	Inlet Size	Price (ex. VAT)
A	767FR 1 1/2	1 1/2"	€937.76	RFQ
A	767FR 1	1"	€329.38	RFQ
A	767FR 2	2"	€1,053.77	RFQ

WATTS -

Atmospheric Vacuum Breakers

Style	Model	Inlet Size	Max. Temp.	Max. Working Pressure	Min. Temp.	Outlet Size	Price (ex. VAT)
A	LF8AC	-	-	-	-	-	€84.17
B	LF8A	-	-	-	-	-	€95.19
C	LF8C	-	-	-	-	-	€89.71
D	LF8	-	-	-	-	-	€85.77
E	LFN388-C 1/4	1/4"	180 Degree F	8.6 Bar	33 Degree F	1/4"	€174.71
F	LFN388 1/4	1/4"	180 Degree F	8.6 Bar	33 Degree F	1/4"	€113.95
G	LFN388-SC 1/4	1/4"	180 Degree F	8.6 Bar	33 Degree F	1/4"	€155.39
H	LFN388 3/8	3/8"	180° F	125 psi	33° F	3/8"	€132.22
G	LFN388-SC 3/8	3/8"	180 Degree F	8.6 Bar	33 Degree F	3/8"	€223.73
I	LFN388-C 3/8	3/8"	180 Degree F	8.6 Bar	33 Degree F	3/8"	€236.18