Where should a vacuum breaker be placed?

A pressure vacuum breaker should be placed a minimum of 12 inches above all downstream outlets and pipings.

How to maintain a vacuum breaker?

Periodically inspect the vacuum breaker for signs of wear / damage and replace it if necessary.

How to install a vacuum breaker?

Shut the water supply off and drain the system to remove the existing water.Place the vacuum breaker as per the instructions and general codes & regulations.Test the vacuum breaker to make sure that it is working properly.Fill up the system by turning on the water supply again.

Vacuum Breakers

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Vacuum breakers are used in the chemical and pharmaceutical industries to prevent vacuum formation in a piping system. They allow air to enter the system when the pressure drops. Raptor...Read more

WATTS -

LFN9 Series Vacuum Breakers

Style	Model	Max. Working Pressure	Inlet Size	Body Finish	Outlet Size	Max. Temp.	Valve Type	Size	Connection Type	Price (inc. VAT)
A	LFN9C 1/2	-	-	-	-	140°F	-	1/2"	FNPT	£622.04
B	LFN9-Z 1/4	8.6 Bar	1/4"	Plain	1/4"	140°F	No Shutoff Valve	-	-	£270.24
C	LFN9C 3/8	125 psi	3/8"	Chrome Plated	3/8"	140°F	No Shutoff Valve	-	-	£305.13
D	LFN9C-M5 3/8	125 psi	3/8"	Chrome Plated	3/8"	140°F	No Shutoff Valve	-	-	£345.72

WATTS -

LFNLF-9 Series Vacuum Breakers

Style	Model	Valve Type	Inlet Size	Inlet Type	Max. Temp.	Max. Working Pressure	Body Material	Operation	Body Finish	Price (inc. VAT)
A	LFNLF9 3/8	No Shutoff Valve	3/8"	Male Threaded	140°F	10.3 Bar	Lead Free Brass	Non Continuous	Chrome Plated	£166.99
B	LFCLFNLF9 3/8	Quarter Turn Ball Valve	3/8"	Swivel Joint	-	-	Lead Free Brass	-	-	£173.93
A	LFNLF9-HT 3/4	Quarter Turn Ball Valve	3/4"	Swivel Joint	-	-	Lead Free Brass	-	-	£180.40

WATTS -

188A Series Vacuum Breakers

Style	Model	Max. Working Pressure	Inlet Size	Outlet Size	Max. Temp.	Valve Type	Operation	Body Finish	Strainer	Price (inc. VAT)
A	188A 3/4	8.6 Bar	3/4"	3/4"	180°F	No Shutoff Valve	Non Continuous	Plain	No	£143.76
B	188A 2	125 psi	2"	2"	180°F	No Shutoff Valve	Non Continuous	Plain	No	£717.30
B	188A 1	125 psi	1"	1"	180°F	No Shutoff Valve	Non Continuous	Plain	No	£185.44
B	188A 1 1/4	125 psi	1 1/4"	1 1/4"	180°F	No Shutoff Valve	Non Continuous	Plain	No	£255.88
B	188A 1 1/2	125 psi	1 1/2"	1 1/2"	180°F	No Shutoff Valve	Non Continuous	Plain	No	£461.43

ZURN -

720A Pressure Vacuum Breakers

Style	Model	MPN	Price (inc. VAT)
A	1-720A	1-720A	£129.95
B	2-720A	2-720A	£670.96
C	12-720A	12-720A	£112.71
D	34-720A	34-720A	£104.91
E	112-720A	112-720A	£591.40

WATTS -

Freeze Resistant Pressure Vacuum Breaker Backflow Preventers

Style	Model	Inlet Size	Max. Temp.	Max. Working Pressure	Body Finish	Disc Material	Min. Temp.	Seat Material	Inlet Connection	Price (inc. VAT)
A	767FR 1 1/4	1 1/4"	140°F	150 psi	Rough	Silicone	32°F	Noryl Plastic	Female Threaded	£868.22	RFQ
A	767FR 3/4	3/4"	140°F	150 psi	Rough	Silicone	32°F	Noryl Plastic	Female Threaded	£327.01	RFQ

WATTS -

Dual Check Vacuum Breaker Backflow Preventers

Style	Model	Inlet Size	Material	Max. Temp.	Max. Working Pressure	Inlet Type	Outlet Type	Min. Temp.	Inlet Thread Type	Price (inc. VAT)
A	N9 1/4	1/4"	Brass	140°F	125 psi	Female Threaded	Female Threaded	33°F	NPT	£211.30	RFQ
B	N9-CD-C	3/4"	Brass	140°F	125 psi	Female Threaded	Female Threaded	33°F	NPT	£291.80	RFQ

WATTS -

Atmospheric Vacuum Breakers

Style	Model	Seal	Price (inc. VAT)
A	LF8C	Rubber	£93.38
B	LF8AC	Rubber	£72.82
C	LF8	Rubber	£81.97
D	LF8A	Rubber	£99.08

WATTS -

Anti Siphon Vacuum Breakers

Style	Model	Max. Temp.	Max. Working Pressure	Valve Type	Operation	Inlet Size	Body Finish	Outlet Size	Body Material	Price (inc. VAT)
A	LF800M4-QT 1 1/2	140°F	150 psi	Quarter Turn Ball Valve	Continuous	1 1/2"	Plain	1 1/2"	Lead Free Bronze	£785.58	RFQ
B	LF800M4QT 2	140°F	150 psi	Quarter Turn Ball Valve	Continuous	2"	Plain	2"	Lead Free Bronze	£1,026.34	RFQ
C	800M4-QT 1 1/4	140°F	150 psi	Quarter Turn Ball Valve	Continuous	1 1/4"	Plain	1 1/4"	Bronze	£638.15	RFQ
D	LF800M4QT 1/2	140°F	150 psi	Quarter Turn Ball Valve	Continuous	1/2"	Plain	1/2"	Lead Free Bronze	£398.90	RFQ
E	800M4-QT 2	140°F	150 psi	Quarter Turn Ball Valve	Continuous	2"	Plain	2"	Bronze	£821.51	RFQ
F	LF800M4QT 3/4	140°F	10.3 Bar	Quarter Turn Ball Valve	Continuous	3/4"	Plain	3/4"	Lead Free Bronze	£164.12	RFQ
G	LF800M4-QT 1 1/4	140°F	150 psi	Quarter Turn Ball Valve	Continuous	1 1/4"	Copper Silicon Alloy Plated	1 1/4"	Lead Free Bronze	£808.55
H	288AC-MB	180°F	125 psi	No Shutoff Valve	Non Continuous	3/8"	Plain	3/8"	Brass	£160.28

PLAST-O-MATIC -

VB Series Vacuum Breakers

Style	Model	MPN
A	VB050EP-TF	VB050EP-TF	RFQ
A	VB050EPS-TF	VB050EPS-TF	RFQ
A	VB050V-TF	VB050V-TF	RFQ
A	VB050VS-TF	VB050VS-TF	RFQ
B	VB075EPS-TF	VB075EPS-TF	RFQ
B	VB075VS-TF	VB075VS-TF	RFQ
B	VB100EPS-TF	VB100EPS-TF	RFQ
B	VB100VS-TF	VB100VS-TF	RFQ

WATTS -

765 Series Vacuum Breakers

Style	Model	MPN	Price (inc. VAT)
A	765-QT-PVB 1 1/2	765-QT-PVB 1 1/2	£714.29	RFQ
A	765-QT-PVB 1 1/4	765-QT-PVB 1 1/4	£697.15	RFQ
A	765-QT-PVB 1/2	765-QT-PVB 1/2	£204.10	RFQ
A	765-QT PVB 1	765-QT PVB 1	£160.96	RFQ
A	765-QT PVB 3/4	765-QT PVB 3/4	£142.31	RFQ
A	U765-QT-PVB 1 1/2	U765-QT-PVB 1 1/2	£874.69	RFQ
A	U765-QT-PVB 1 1/4	U765-QT-PVB 1 1/4	£765.43	RFQ
A	U765-QT-PVB 1/2	U765-QT-PVB 1/2	£230.70	RFQ
A	U765-QT-PVB 2	U765-QT-PVB 2	£982.48	RFQ
A	U765-QT 1	U765-QT 1	£229.56	RFQ
A	U765-QT 3/4	U765-QT 3/4	£208.53	RFQ

WATTS -

Dual Check Vacuum Breakers

Style	Model	Size	Connection Type	Material	Max. Temp.	Max. Working Pressure	Valve Type	Operation	Inlet Size	Price (inc. VAT)
A	LFN9-CD-C 3/4	-	-	-	140°F	8.6 Bar	No Shutoff Valve	Continuous	3/4"	£491.06
B	LFN9CD	-	-	-	-	-	-	-	-	£326.23
C	3/8 LF N9C - 3/8"	3/8"	FIP	Chrome	-	-	-	-	-	£242.14

WATTS -

Vacuum Breaker Backflow Preventers

Style	Model	Max. Temp.	Inlet Size	Min. Temp.	Max. Working Pressure	Inlet Connection	Outlet Connection	Inlet Thread Type	Body Material	Price (inc. VAT)
A	N9C-M5	140°F	3/8"	33°F	125 psi	Female Threaded	Female Threaded	NPT	Brass	£314.26	RFQ
B	731FR	180°F	3/4"	32°F	125 psi	Female Threaded	Female Threaded	NPT	Brass	£108.51	RFQ

WATTS -

Freeze Resistant Vacuum Breakers

Style	Model	Max. Working Pressure	Inlet Size	Outlet Size	Seat Material	Max. Temp.	Valve Type	Operation	Body Finish	Price (inc. VAT)
A	LF800M4FR 3/4	10.3 Bar	3/4"	3/4"	Plastic	140°F	Quarter Turn Ball Valve	Continuous	Plain	£235.07	RFQ
B	LF800M4FR 1	150 psi	1"	1"	Engineered Plastic	140°F	Quarter Turn Ball Valve	Continuous	Plain	£259.79	RFQ

PLAST-O-MATIC -

VB Series Compact And Self Closing Vacuum Breakers

Style	Model	Size	Seal	Price (inc. VAT)
A	VB100V-TF	1"	Viton	£820.45	RFQ
A	VB100EP-TF	1"	EPDM	£812.66	RFQ
A	VB075V-TF	3/4"	Viton	£786.70	RFQ
A	VB075EP-TF	3/4"	EPDM	£776.31	RFQ

PLAST-O-MATIC -

VBS Series Compact And Self Closing Vacuum Breakers

Style	Model	Material	Size	Seal	Height	Temp. Range	Connection Type	Max. Pressure	Price (inc. VAT)
A	VBS400VT-CP	CPVC	4"	FKM	-	-	-	-	£3,092.27	RFQ
A	VBS300EPT-CP	CPVC	3"	EPDM	-	-	-	-	£1,931.69	RFQ
B	VBS150VT-CP	CPVC	1 1/2"	FKM	-	-	-	-	£768.52	RFQ
B	VBS150EPT-CP	CPVC	1 1/2"	EPDM	-	-	-	-	£758.14	RFQ
B	VBS200VT-CP	CPVC	2"	FKM	-	-	-	-	£1,019.07	RFQ
B	VBS200EPT-CP	CPVC	2"	EPDM	-	-	-	-	£1,008.69	RFQ
A	VBS400EPT-CP	CPVC	4"	EPDM	-	-	-	-	£3,045.53	RFQ
A	VBS300VT-CP	CPVC	3"	FKM	-	-	-	-	£1,943.38	RFQ
A	VBS400EPT-PP	Natural Polypro	4"	EPDM	-	-	-	-	£2,165.37	RFQ
B	VBS150EPT-PP	Natural Polypro	1 1/2"	EPDM	-	-	-	-	£720.49	RFQ
B	VBS200EPT-PP	Natural Polypro	2"	EPDM	-	-	-	-	£858.10	RFQ
A	VBS300EPT-PP	Natural Polypro	3"	EPDM	-	-	-	-	£1,681.15	RFQ
A	VBS400VT-PP	Natural Polypro	4"	FKM	-	-	-	-	£2,267.92	RFQ
B	VBS200VT-PP	Polypropylene	2"	Viton	8 1/2"	180°F	FNPT	100 psi	£1,028.42
B	VBS300VT-PP	Polypropylene	3"	Viton	10 1/2"	180°F	FNPT	100 psi	£1,892.60
B	VBS150VT-PP	Polypropylene	-	Viton	7.938"	180°F	FNPT	100 psi	£774.69
A	VBS400EPT-PV	PVC	4"	EPDM	-	-	-	-	£1,712.30	RFQ
B	VBS150EPT-PV	PVC	1 1/2"	EPDM	-	-	-	-	£534.85	RFQ
B	VBS150VT-PV	PVC	-	Viton	7.938"	140°F	FNPT	100 psi	£643.67
B	VBS200EPT-PV	PVC	2"	EPDM	-	-	-	-	£690.63	RFQ
A	VBS400VT-PV	PVC	4"	FKM	-	-	-	-	£1,761.63	RFQ
A	VBS300EPT-PV	PVC	3"	EPDM	-	-	-	-	£1,299.48	RFQ
B	VBS300VT-PV	PVC	3"	Viton	10 1/2"	140°F	FNPT	100 psi	£1,468.92
B	VBS200VT-PV	PVC	2"	Viton	8 1/2"	140°F	FNPT	100 psi	£775.28
B	VBS200EPT-PF	PVDF	2"	EPDM	-	-	-	-	£2,691.13	RFQ

APOLLO VALVES -

38LF-100 Series Atmospheric Type Vaccum Breakers
Apollo 38LF-100 Series atmospheric-type vacuum breakers are used in water supply systems to prevent backflow and protect potable water from contamination. These vacuum breakers are installed in plumbing systems, irrigation systems and industrial applications where there is a risk of back-siphonage. When water pressure drops, these devices automatically open to admit air, breaking the vacuum and preventing the reverse flow of non-potable water into the clean water supply. They feature bronze construction with polished chrome finish for resisting corrosion on exposed surfaces. These vacuum breakers can be operated at pressures up to 125 psi.

Style	Model	Size	Height	Temp. Range	Connection Type	Material	Max. Pressure	Seal	Price (inc. VAT)
A	38LF10401	-	3.062"	212°F	FNPT	Lead Free Bronze	125 psi	Silicone	£91.39
A	38LF10201	-	2 3/8"	212°F	FNPT	Lead Free Bronze	125 psi	Silicone	£62.80
A	38LF10103	-	2 3/8"	212°F	FNPT	Lead Free Bronze	125 psi	Silicone	£58.47
A	38LF10101	-	2 3/8"	212°F	FNPT	Lead Free Bronze	125 psi	Silicone	£71.75
A	38LF10203	-	2 3/8"	212°F	FNPT	Lead Free Bronze	125 psi	Silicone	£124.69
A	38LF10303	-	2 1/2"	212°F	FNPT	Lead Free Bronze	125 psi	Silicone	£108.15
A	38LF10403	-	3.062"	212°F	FNPT	Lead Free Bronze	125 psi	Silicone	£130.04
A	38LF10301	-	2 1/2"	212°F	FNPT	Lead Free Bronze	125 psi	Silicone	£81.96
A	38LF10501	1"	4.062"	212°F	FNPT	Lead Free Bronze	125 psi	Silicone	£147.03
B	38LF10701	1.5"	4 3/8"	180°F	FNPT	Lead Free Bronze	125 psi	Silicone	£303.29
A	38LF10601	1.25"	4 3/8"	140°F	FNPT	Lead Free Bronze	125 psi	Silicone	£320.56
A	38LF10801	2"	4 1/2"	180°F	FNPT	Lead Free Bronze	125 psi	Silicone	£355.21

ZURN -

Vacuum Breakers

Style	Model	Material	Connection Type	Size	Max. Pressure	Height	Temp. Range	Seal	Seal Material	Price (inc. VAT)
A	BFP-9CH	-	-	-	-	-	-	-	-	£24.12
B	12-35XLCH	-	-	-	-	-	-	-	-	£65.64
C	Z7000-VB	-	NPT	1/2"	125 psi	1.828"	+40°F to +160°F	Rubber	Rubber	£38.40
D	G67991	Brass	MNPT	6"	35 psi	9 1/8"	-	-	-	£120.94
E	1-720AU	Bronze	-	-	150 psi	7 3/4"	+33°F to +110°F	-	-	£524.54
F	1-720AFT	Bronze	-	-	150 psi	7 3/4"	+33°F to +110°F	-	-	£406.73
G	114-720A	Bronze	-	-	150 psi	11"	+33°F to +110°F	-	-	£563.55
H	1-420XL	Low Lead Cast Bronze	-	-	175 psi	7.938"	140°F	-	-	£216.55
I	12-460XL	Low Lead Cast Bronze	-	-	150 psi	5.688"	180°F	-	-	£330.99
I	34-460XL	Low Lead Cast Bronze	-	-	150 psi	7 1/2"	180°F	-	-	£379.24
J	34-420XL	Low Lead Cast Bronze	-	-	175 psi	6 3/4"	140°F	-	-	£190.74
K	14-ZWFR	Low Lead Cast Bronze	MNPT	-	175 psi	2.578"	140°F	-	-	£165.94
L	1-710	Low Lead Cast Bronze	-	-	150 psi	6 3/4"	+33°F to +140°F	-	-	£104.77
I	1-460XL	Low Lead Cast Bronze	-	-	150 psi	7.938"	180°F	-	-	£467.87
M	34-710	Low Lead Cast Bronze	-	-	150 psi	6 1/4"	+33°F to +140°F	-	-	£90.25

WATTS -

Pressure Vacuum Breaker Backflow Preventers

Style	Model	Inlet Size	Max. Temp.	Max. Working Pressure	Body Finish	Disc Material	Min. Temp.	Seat Material	Inlet Connection	Price (inc. VAT)
A	767FR 1 1/2	1 1/2"	140°F	150 psi	Rough	Silicone	32°F	Noryl Plastic	Female Threaded	£976.04	RFQ
A	767FR 1	1"	140°F	150 psi	Rough	Silicone	32°F	Noryl Plastic	Female Threaded	£342.82	RFQ
A	767FR 2	2"	140°F	150 psi	Rough	Silicone	32°F	Noryl Plastic	Female Threaded	£1,096.79	RFQ

PLAST-O-MATIC -

VBM Series Compact And Self Closing Vacuum Breakers

Style	Model	Material	Size	Seal	Temp. Range	Height	Connection Type	Max. Pressure	Price (inc. VAT)
A	VBM100V-CP	CPVC	1"	Viton	-	-	-	-	£394.65	RFQ
A	VBM050V-CP	CPVC	1/2"	Viton	-	-	-	-	£280.41	RFQ
A	VBM050EP-CP	CPVC	1/2"	EPDM	-	-	-	-	£270.02	RFQ
A	VBM075V-CP	CPVC	3/4"	Viton	-	-	-	-	£344.02	RFQ
A	VBM075EP-CP	CPVC	3/4"	EPDM	-	-	-	-	£334.93	RFQ
A	VBM075EP-PP	Natural Polypro	3/4"	EPDM	-	-	-	-	£306.37	RFQ
A	VBM100EP-PP	Natural Polypro	1"	EPDM	-	-	-	-	£368.68	RFQ
A	VBM050EP-PP	Natural Polypro	1/2"	EPDM	-	-	-	-	£254.44	RFQ
B	VBM100V-PP	Polypropylene	1"	Viton	180°F	5.109"	FNPT	100 psi	£454.84
B	VBM050V-PP	Polypropylene	-	Viton	180°F	4.312"	FNPT	100 psi	£291.38
B	VBM075V-PP	Polypropylene	-	Viton	180°F	-	FNPT	100 psi	£338.88
B	VBM075V-PV	PVC	-	Viton	140°F	-	FNPT	100 psi	£276.86
A	VBM100EP-PV	PVC	1"	EPDM	-	-	-	-	£237.57	RFQ
A	VBM050EP-PV	PVC	1/2"	EPDM	-	-	-	-	£170.06	RFQ
B	VBM100V-PV	PVC	1"	Viton	140°F	5.109"	FNPT	100 psi	£342.84
A	VBM075EP-PV	PVC	3/4"	EPDM	-	-	-	-	£203.81	RFQ
B	VBM050V-PV	PVC	-	Viton	140°F	4.312"	FNPT	100 psi	£212.56
A	VBM075V-PF	PVDF	3/4"	Viton	-	-	-	-	£664.67	RFQ
A	VBM050EP-PF	PVDF	1/2"	EPDM	-	-	-	-	£455.66	RFQ
A	VBM050V-PF	PVDF	1/2"	Viton	-	-	-	-	£469.94	RFQ
A	VBM075EP-PF	PVDF	3/4"	EPDM	-	-	-	-	£654.28	RFQ
A	VBM100V-PF	PVDF	1"	Viton	-	-	-	-	£755.54	RFQ
A	VBM100EP-PF	PVDF	1"	EPDM	-	-	-	-	£742.56	RFQ

SLOAN -

Vacuum Breakers

Style	Model	Size	Type	Price (inc. VAT)
A	323063	-	-	£57.88	RFQ
A	393074	-	-	£74.88	RFQ
A	393004	-	-	£23.36	RFQ
A	323360	-	-	£21.64	RFQ
A	393072	-	-	£97.64	RFQ
A	323332	-	-	£53.28	RFQ
A	393054	-	-	£100.93	RFQ
A	393053	-	-	£124.74	RFQ
A	323306	-	-	£37.81	RFQ
A	323092	-	-	£70.57	RFQ
A	323037	-	-	£47.36	RFQ
A	393071	-	-	£101.15	RFQ
A	393068	-	-	£100.87	RFQ
A	0323120PK	-	-	£9.62
A	393061	-	-	£100.93	RFQ
A	393033	-	-	£69.96	RFQ
A	393012	-	-	£117.33	RFQ
A	3301447	-	-	£18.36
A	323036	-	-	£46.25	RFQ
A	3393006	-	-	£24.85
A	3393002	-	-	£24.85
A	393007	-	-	£23.36	RFQ
A	393006	-	-	£23.36	RFQ
A	323255	-	-	£66.67	RFQ
A	323375	-	-	£46.76	RFQ

T&S -

Vacuum Breaker

Style	Model	Connection	Material	Finish	Price (inc. VAT)
A	B-0965	-	-	-	£151.89
B	B-0977	-	-	-	£318.93
C	B-0975	-	-	-	£296.41
D	B-0972	-	-	-	£53.30
E	B-0929-A	-	-	-	£174.89
F	B-0455	-	-	-	£272.23
G	B-0456-04-963VB	-	-	-	£686.03
H	B-0455-04-963VB	-	-	-	£682.38	RFQ
I	5PR-VB	-	-	-	£92.42
J	B-0455-M	-	-	-	£1,833.86
F	B-0455-04	-	-	-	£305.32
K	B-0929	-	-	-	£230.57
L	002849-40	-	-	-	£164.65
M	B-0970-FE	-	-	-	£79.87
N	B-0456-04	-	-	-	£309.11
N	B-0456	-	-	-	£272.23
O	001301-45	-	-	-	£165.92
F	B-0457	-	-	-	£642.83
P	B-0970-01	-	-	-	£135.77
Q	B-0458	-	-	-	£605.66
R	B-0963	-	-	-	£438.06
S	B-0975-GH	-	-	-	£358.20
T	B-0969	1/2"	Brass	Brass	£83.15
T	B-0968	3/8"	Brass	Brass	£51.54

123 4

Vacuum Breakers

Vacuum breakers are designed to prevent back-siphonage of water due to the generation of vacuum in water drainage systems. Raptor Supplies offers a wide range of vacuum breakers from brands like Apollo, Watts, Hayward, Wilkins, Morse, Plast-O-Matic, Sharkbite and Chicago Faucets. Apollo 38-100, 38-200, 38-500 and 38LF-100 Series vacuum breakers are ideal for a maximum pressure of 150 PSI and are available in 1/4 to 2 inch pipe sizes. The brand's 38-100 Series vacuum breakers prevent backflow of polluted water in portable water supply by breaking the vacuum generated during drainage of water. These ASSE 1001 certified breakers feature a heat-resistant silicone seat disc and a check valve with an air inlet. Watts ANSI, ASSE and NSF compliant vacuum breakers also have a maximum pressure withstanding rating of 150 PSI. These vacuum breakers are available in brass, bronze, chrome plated brass, lead free bronze, lead free brass and polished chrome body material variants.

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VBM Series Compact And Self Closing Vacuum Breakers

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Vacuum Breakers

Vacuum Breakers

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