Backflow Preventers

WATTS -

Backflow Preventer Accessories

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WATTS RK-TC-P Plastci Cap Tether 1/8 1/4 NPT

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Style	Model	Connection Type	Item	Length	Material	Max. Pressure	Size	Width	Price (inc. VAT)
A	1/4 LFTC	MNPT	Test Cock	1.75"	Copper Silicon Alloy	175 psi	1/4"	1"	£107.14
B	1/4 LF-TC	Npt	Test Cock	-	Bronze	-	1/4"	-	£89.97
C	LFTC 2 1/2-4	Npt	Test Cock	1.625"	Bronze	175 psi	1/2"	1"	£169.00
D	1/8 LF-NPT-TC	Npt	Test Cock	-	Bronze	-	1/8"	-	£69.61
E	4 909 AGK	Npt	Air Gap	9.625"	Cast Iron	140 psi	4" to 6"	6.38"	£482.30
F	909 AGK 4-6 8-10 M1	Npt	Air Gap	9.625"	Cast Iron	175 psi	3"	6.38"	£601.38
G	909 AGM 8-10 909	Npt	Air Gap	11.25"	Cast Iron	175 psi	4mm	7.38"	£753.79
H	RK-TC-P Plastci Cap Tether 1/8 1/4 NPT	Npt	Cap Tether	-	Plastic	-	1/8" to 1/4"	-	£4.49
C	LFTC 6-10	Npt	Test Cock	-	Bronze	-	3/4"	-	£159.19
I	SAE-TC Plastic Cap 1/8 SAE	SAE	Cap	-	Brass	-	1/8"	-	£5.80
J	RK-SAE-TC 1/8 SAE	SAE	Test Cock	11.25"	Bronze	-	1/8"	7.38"	£13.63
K	SAE-TC-Adapter 1/4	SAE	Adapter	-	Bronze	-	1/4"	-	£88.89
L	SAE-TC Brass Cap 1/8 SAE	SAE	Cap	-	Brass	-	1/8"	-	£5.77

WATTS -

850 Small Series Double Check Valve Backflow Preventer Assemblies

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Style	Model	Inlet Size	Price (inc. VAT)
A	850L-LG-DN15-BSP-DCV	-	£182.49	RFQ
B	850L-LG-DN40-BSP-DCV	-	£422.48	RFQ
C	850U-QT 3/4	-	£324.24	RFQ
D	850U-QT 2	-	£867.44	RFQ
E	850L-LG-DN20-BSP-DCV	-	£178.24	RFQ
F	850L-LG-DN32-BSP-DCV	-	£369.14	RFQ
G	850L-LG-DN50-BSP-DCV	-	£479.33	RFQ
H	850L-LG-DN25-BSP-DCV	-	£233.70	RFQ
I	850-QT 1 1/2	1 1/2"	£610.59	RFQ
J	850-QT 1 1/4	1 1/4"	£574.85	RFQ
K	850-QT 1	1"	£302.07	RFQ
L	850-QT 2	2"	£726.36	RFQ
M	850-QT 3/4	3/4"	£268.94	RFQ

WATTS -

LF719 Series Double Check Valve Backflow Preventer Assemblies

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Style	Model	Inlet Size	Item	Outlet Size	Thread Type	Valve Type	Price (inc. VAT)
A	LF719-QT 1	1"	Ball Valve	1"	FPT	No Shutoff Valve	£480.17	RFQ
B	LF719QTS 1	1"	Double Check Valve Assembly	1"	FPT	Quarter Turn Ball Valve	£788.15	RFQ
C	LF719QTS 1 1/2	1-1/2"	Double Check Valve Assembly	1-1/2"	FPT	Quarter Turn Ball Valve	£1,416.27	RFQ
D	LF719-QT 1 1/2	1-1/2"	Double Check Valve Assembly	1-1/2"	FPT	No Shutoff Valve	£1,067.73	RFQ
E	LF719-QT-S 1 1/4	1-1/4"	Double Check Valve Assembly	1-1/4"	FPT	Quarter Turn Ball Valve	£1,144.64	RFQ
F	LF719-QT 1 1/4	1-1/4"	Double Check Valve Assembly	1-1/4"	FPT	No Shutoff Valve	£849.91	RFQ
G	LF719-QT 1/2	1/2"	Double Check Valve Assembly	1/2"	FPT	No Shutoff Valve	£393.54	RFQ
H	LF719-QT-S 1/2	1/2"	Double Check Valve Assembly	1/2"	FPT	Quarter Turn Ball Valve	£564.97	RFQ
I	LF719-QT 2	2"	Double Check Valve Assembly	2"	FPT	No Shutoff Valve	£1,198.71	RFQ
J	LF719QTS 2	2"	Double Check Valve Assembly	2"	FPT	Quarter Turn Ball Valve	£1,687.14	RFQ
K	LF719-QT 3/4	3/4"	Valve Assembly	3/4"	FPT	No Shutoff Valve	£432.48	RFQ
L	LF719QTS 3/4	3/4"	Double Check Valve Assembly	3/4"	NPT	Quarter Turn Ball Valve	£678.65	RFQ

WATTS -

4000B-FP Series Reduced Pressure Zone Backflow Preventer Assemblies

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Style	Model	Price (inc. VAT)
A	4000BM2-FP 1	£1,904.71	RFQ
A	4000B-FP 3/4	£1,522.92	RFQ
B	4000BM2-FP 2	£3,325.21	RFQ
A	4000BM2-FP 1 1/2	£2,950.43	RFQ

WATTS -

800M4QT Series Vacuum Breaker Backflow Preventers

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Style	Model	Inlet Connection	Inlet Size	Inlet Type	Max. Temp.	Max. Working Pressure	Min. Temp.	Outlet Connection	Outlet Size	Price (inc. VAT)
A	U800M4QT 3/4	-	3/4"	Female Threaded	140 Degree F	10.3 Bar	33 Degree F	-	3/4"	£357.92	RFQ
B	800M4QT-QC 3/4	-	3/4"	Quick Connect	140 Degree F	10.3 Bar	33 Degree F	-	3/4"	£342.48	RFQ
C	800M4QT 1/2	-	1/2"	Female Threaded	140 Degree F	10.3 Bar	33 Degree F	-	1/2"	£313.00
D	800M4QT-SH 3/4	-	3/4"	Female Threaded	140 Degree F	10.3 Bar	33 Degree F	-	3/4"	£356.53	RFQ
E	800M4-QT 1 1/2	-	1-1/2"	Female Threaded	140 Degree F	10.3 Bar	33 Degree F	-	1-1/2"	£667.06	RFQ
F	U800M4QT 1	Female Threaded	1"	Female Threaded	140° F	150 psi	33° F	Union Joint	1"	£369.87	RFQ
G	800M4QT-SH 1	Female Threaded	1"	Female Threaded	140° F	150 psi	33° F	Female Threaded	1"	£368.46	RFQ
H	800M4QT-SH 1/2	Female Threaded	1/2"	Female Threaded	140° F	150 psi	33° F	Female Threaded	1/2"	£356.53	RFQ
I	800M4QT-SH 1 1/2	Female Threaded	1 1/2"	Female Threaded	140° F	150 psi	33° F	Female Threaded	1-1/2"	£882.18	RFQ
J	800M4QT-SH 2	Female Threaded	2"	Female Threaded	140° F	150 psi	33° F	Female Threaded	2"	£908.17	RFQ
K	800M4QT-SH 1 1/4	Female Threaded	1 1/4"	Female Threaded	140° F	150 psi	33° F	Female Threaded	1-1/4"	£732.70	RFQ
L	800M4QT-QC 1	Quick Connect	1"	Quick Connect	140° F	150 psi	33° F	Female Threaded	1"	£353.70	RFQ
M	800M4QT-QC 1/2	Quick Connect	1/2"	Quick Connect	140° F	150 psi	33° F	Female Threaded	1/2"	£367.05	RFQ

WATTS -

876V Series Double Check Detector Backflow Preventer Assemblies

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Style	Model	Price (inc. VAT)
A	876VDCDA-LG-GPM 4	£4,533.73	RFQ
A	876VDCDA-LG-CFM 8	£12,006.68	RFQ
B	D876V-DCDA-OSY-LM 3	£5,082.55	RFQ
B	D876V-DCDA-OSY-LM 8	£14,280.57	RFQ
C	876DA-OSY-N/V-GAL 10	£26,177.59	RFQ
D	876VDCDA-OSY-CFM 10	£26,177.59	RFQ
A	876VDCDA-LG-GPM 3	£3,935.79	RFQ
E	876VDCDA-LG-GPM 10	£16,361.17	RFQ
B	D876V-DCDA-OSY-LM 4	£5,394.18	RFQ
F	D876V-DCDA-OSY-LM 10	£26,145.94	RFQ
G	876VDCDA-OSY-GPM 10	£26,177.59	RFQ
H	876DA-OSY-N/V-CFM 10	£26,177.59	RFQ
A	876VDCDA-LG-GPM 6	£6,780.95	RFQ
B	D876V-DCDA-OSY-LM 6	£8,068.10	RFQ

WATTS -

2000SS Series Double Check Valve Backflow Preventer Assemblies

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Style	Model	Inlet Connection	Inlet Size	Outlet Connection	Price (inc. VAT)
A	2000SS-DNRS 3	-	-	-	£4,397.58	RFQ
B	2000SS-NRS 8	-	-	-	£14,557.08	RFQ
C	2000SS-DOSY 3	-	-	-	£3,965.26	RFQ
D	2000SS-DOSY 2 1/2	-	-	-	£4,067.72	RFQ
E	2000SS-DOSY 8	-	-	-	£14,283.36	RFQ
F	2000SSF-OSY-FLOW SWITCH 2 1/2	-	-	-	£4,067.72	RFQ
F	2000SSF-OSY 4	-	-	-	£4,711.98	RFQ
G	2000SS-DOSY 6	-	-	-	£7,409.78	RFQ
H	2000SS-DOSY 4	-	-	-	£4,711.98	RFQ
I	2000SS-OSYXPIV 4	-	-	-	£5,043.27	RFQ
I	2000SS-OSYXPIV 10	-	-	-	£21,451.89	RFQ
J	2000SS-SR-LG 4	-	-	-	£2,155.98	RFQ
K	2000SS-PIV-OSY 4	-	-	-	£5,043.27	RFQ
J	2000SS-SR-LG 6	-	-	-	£3,691.55	RFQ
I	2000SS-OSYXPIV 6	-	-	-	£7,930.53	RFQ
L	2000SS-DOSY 10	-	-	-	£20,049.56	RFQ
M	2000SS-OSY 10	-	-	-	£20,049.56	RFQ
J	2000SS-LG 10	-	-	-	£13,811.73	RFQ
B	2000SS-NRS 6	-	-	-	£7,384.52	RFQ
B	2000SS-NRS 4	-	-	-	£4,594.11	RFQ
M	2000SS-OSY 3	-	-	-	£3,965.26	RFQ
N	2000SS-NRS 2 1/2	-	-	-	£3,771.57	RFQ
O	2000SS-DNRS 8	-	-	-	£14,557.08	RFQ
I	2000SS-OSYXPIV 8	-	-	-	£15,284.14	RFQ
F	2000SSF-OSY 6	-	-	-	£7,930.53	RFQ

WATTS -

C300 Series Double Check Detector Backflow Preventer Assemblies

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Style	Model	Body Pattern	Inlet Connection	Inlet Size	Outlet Connection	Price (inc. VAT)
A	C300-PIVXOSY-GPM 6	-	-	-	-	£7,263.81	RFQ
B	C300N-BFG-LM 3	-	-	-	-	£5,554.15	RFQ
C	C300-OSY-FXG-CFM 2 1/2	-	-	-	-	£4,486.00	RFQ
D	C300-NRS-GPM 8	-	-	-	-	£12,642.53	RFQ
D	C300-NRS-GPM 6	-	-	-	-	£6,964.83	RFQ
D	C300-NRS-GPM 4	-	-	-	-	£5,432.04	RFQ
D	C300-NRS-CFM 3	-	-	-	-	£4,672.69	RFQ
E	C300N-BFG-GPM 3	-	-	-	-	£5,665.05	RFQ
E	C300N-BFG-CFM 6	-	-	-	-	£8,379.69	RFQ
E	C300N-BFG-GPM 2 1/2	-	-	-	-	£5,170.99	RFQ
E	C300N-BFG-GPM 6	-	-	-	-	£8,379.69	RFQ
E	C300N-BFG-CFM 4	-	-	-	-	£6,549.36	RFQ
E	C300N-BFG-GPM 4	-	-	-	-	£6,549.36	RFQ
B	C300N-BFG-LM 8	-	-	-	-	£14,086.85	RFQ
C	C300-OSY-FXG-GPM 3	-	-	-	-	£4,949.22	RFQ
B	C300N-BFG-LM 2 1/2	-	-	-	-	£5,060.10	RFQ
F	C300N-OSY-LM 8	-	-	-	-	£13,709.28	RFQ
A	C300-PIVXOSY-GPM 8	-	-	-	-	£12,500.76	RFQ
G	C300-OSY-LM 4	-	-	-	-	£5,625.77	RFQ
H	C300N-OSY-LM 4	-	-	-	-	£6,072.13	RFQ
A	C300-PIVXOSY-GPM 10	-	-	-	-	£18,368.77	RFQ
A	C300-PIVXOSY-CFM 8	-	-	-	-	£12,500.76	RFQ
C	C300-OSY-FXG-GPM 2 1/2	-	-	-	-	£4,486.00	RFQ
C	C300-OSY-FXG-CFM 8	-	-	-	-	£12,500.76	RFQ
C	C300-OSY-FXG-CFM 6	-	-	-	-	£7,263.81	RFQ

WATTS -

876VST Series Double Check Detector Backflow Preventer Assemblies

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Style	Model	Price (inc. VAT)
A	876VSTDCDA-DOSY-GPM 8	£21,241.33	RFQ
B	876VSTDCDA-DOSY-CFM 8	£21,241.33	RFQ
C	876VSTDCDA-DOSY-CFM 10	£29,257.32	RFQ
C	876VSTDCDA-DOSY-GPM 3	£6,660.25	RFQ
D	876VSTDCDA-DOSY-CFM 2 1/2	£5,820.86	RFQ
E	876VSTDCDA-DOSY-CFM 4	£6,874.99	RFQ
C	876VSTDCDA-DOSY-GPM 10	£29,257.32	RFQ
F	876VSTDCDA-DOSY-GPM 2 1/2	£5,820.86	RFQ
G	876VSTDCDA-DOSY-CFM 3	£6,660.25	RFQ
H	876VSTDCDA-DOSY-GPM 4	£6,874.99	RFQ
I	876VSTDCDA-DOSY-GPM 6	£10,749.03	RFQ
J	876VSTDCDA-DOSY-CFM 6	£10,749.03	RFQ

WATTS -

LF880V Series Reduced Pressure Zone Backflow Preventer Assemblies

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Style	Model	Price (inc. VAT)
A	LF880V-DOSY RP 2 1/2	£6,337.41	RFQ
B	LF880V-OSY RP 3	£7,369.09	RFQ
C	LF880V-DNRS RP 3	£6,908.69	RFQ
D	LF880V-LG RP 6	£8,105.99	RFQ
E	LF880V-DNRS RP 10	£29,006.11	RFQ
F	LF880V-DNRS RP 2 1/2	£5,942.97	RFQ
G	LF880V-DOSY RP 10	£30,938.89	RFQ
H	LF880V-DOSY RP 6	£12,968.18	RFQ
I	LF880V-DOSY RP 8	£22,703.06	RFQ
J	LF880V-OSY RP 10	£30,938.89	RFQ
K	LF880V-DOSY RP 4	£8,150.89	RFQ
L	LF880V-DNRS RP 8	£21,284.48	RFQ
M	LF880V-NRS RP 6	£12,159.67	RFQ
N	LF880V-NRS RP 2 1/2	£5,942.97	RFQ
O	LF880V-DNRS RP 4	£7,639.98	RFQ
P	LF880V-NRS RP 10	£29,007.48	RFQ
Q	LF880V-NRS RP 8	£21,284.48	RFQ
R	LF880V-NRS RP 4	£7,639.98	RFQ
S	LF880V-NRS RP 3	£6,908.69	RFQ
T	LF880V-LG RP 4	£5,093.78	RFQ
U	LF880V-OSY RP 8	£22,703.06	RFQ

WATTS -

LFC500 Series Reduced Pressure Detector Backflow Preventer Assemblies

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Style	Model	Body Pattern	Inlet Size	Max. Temp.	Price (inc. VAT)
A	LFC500N-BFG-LM 6	-	-	-	£12,311.28	RFQ
B	LFC500Z-DOSY-LM 8	-	-	-	£19,220.65	RFQ
C	LFC500-OSY-LM 4	-	-	-	£6,692.50	RFQ
D	LFC500Z-DOSY-G 6	-	-	-	£12,563.92	RFQ
E	LFC500Z-OSY-G 10	-	-	-	£28,905.02	RFQ
F	LFC500N-BFG-CFM 6	-	-	-	£12,422.15	RFQ
F	LFC500N-BFG-GPM 3	-	-	-	£7,298.89	RFQ
G	LFC500N-BFG-CFM 3	-	-	-	£7,298.89	RFQ
H	LFC500N-BFG-CFM 2 1/2	-	-	-	£6,602.68	RFQ
I	LFC500Z-BFG-CFM 3	-	-	-	£7,298.89	RFQ
I	LFC500Z-BFG-CFM 4	-	-	-	£8,503.21	RFQ
J	LFC500-OSY-LM 6	-	-	-	£9,871.73	RFQ
E	LFC500N-OSY-LM 10	-	-	-	£28,795.54	RFQ
D	LFC500Z-DOSY-G 8	-	-	-	£19,332.32	RFQ
B	LFC500Z-DOSY-LM 4	-	-	-	£8,353.01	RFQ
B	LFC500Z-DOSY-LM 3	-	-	-	£7,096.76	RFQ
E	LFC500Z-DOSY-C 10	-	-	-	£28,905.02	RFQ
B	LFC500Z-DOSY-LM 6	-	-	-	£12,440.40	RFQ
A	LFC500N-BFG-LM 4	-	-	-	£8,396.54	RFQ
D	LFC500Z-OSY-GPM 8	-	-	-	£19,332.32	RFQ
E	LFC500-DOSY-LM 10	-	-	-	£25,207.84	RFQ
B	LFC500Z-DOSY-LM 2 1/2	-	-	-	£6,361.27	RFQ
K	LFC500N-DOSY-LM 8	N Pattern	8"	140° F	£19,220.65	RFQ
L	LFC500N-DOSY-G 4	N Pattern	4"	110° F	£8,477.93	RFQ
L	LFC500N-DOSY-G 6	N Pattern	6"	140° F	£12,563.92	RFQ

WATTS -

LF850 Small Series Double Check Valve Backflow Preventer Assemblies

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Style	Model	Price (inc. VAT)
A	LF850U-QT 1/2	£392.30	RFQ
B	LF850U-QT 1 1/2	£985.34	RFQ
C	LF850U-QT 1	£470.21	RFQ
D	LF850U-QT 2	£1,148.89	RFQ
E	LF850U-QT 3/4	£430.21	RFQ

WATTS -

774DCDA Series Double Check Detector Backflow Preventer Assemblies

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Style	Model	Body Pattern	Body Style	Inlet Connection	Inlet Size	Inlet Type	Item	Max. Temp.	Max. Working Pressure	Price (inc. VAT)
A	774DCDA-PIVXOSY-GPM 3	-	-	Flanged Joint	3"	Flanged Joint	Double Check Valve Assembly	110° F	175 PSI	£7,423.81	RFQ
B	774DCDA-DOSY-CFM 8	-	-	-	8"	Flanged Joint	Double Check Valve Assembly	110 Degree F	12.1 Bar	£17,420.98	RFQ
C	774DCDA-LF-CFM 10	-	-	Flanged Joint	10"	Flanged Joint	Double Check Valve Assembly	110° F	175 PSI	£15,922.02	RFQ
D	774DCDA-OSYXPIV-GPM 4	-	-	Flanged Joint	4"	Flanged Joint	Double Check Valve Assembly	110° F	175 PSI	£8,056.86	RFQ
D	774DCDA-OSYXPIV-GPM 8	-	-	Flanged Joint	8"	Flanged Joint	Double Check Valve Assembly	110° F	175 PSI	£17,420.98	RFQ
A	774DCDA-PIVXOSY-CFM 4	-	-	Flanged Joint	4"	Flanged Joint	Double Check Valve Assembly	110° F	175 PSI	£8,056.86	RFQ
E	774DCDA-OSY-LM 6	-	-	Flanged Joint	6"	Flanged Joint	Double Check Valve Assembly	110° F	175 PSI	£8,914.48	RFQ
E	774DCDA-OSY-LM 8	-	-	Flanged Joint	8"	Flanged Joint	Double Check Valve Assembly	110° F	175 PSI	£16,185.42	RFQ
F	774DCDA-LF-CFM 8	-	-	Flanged Joint	8"	Flanged Joint	Double Check Valve Assembly	110° F	175 PSI	£12,373.03	RFQ
G	774DCDA-OSY-CFM 8	-	-	Flanged Joint	8"	Flanged Joint	Double Check Valve Assembly	110° F	175 PSI	£16,279.92	RFQ
H	774DCDA-LF-GPM 3	-	-	Grooved Joint	3"	Grooved Joint	Double Check Valve Assembly	110° F	175 PSI	£5,279.06	RFQ
G	774DCDA-OSY-GPM 3	-	-	Flanged Joint	3"	Flanged Joint	Double Check Valve Assembly	110° F	175 PSI	£6,938.16	RFQ
I	774DCDA-DOSY-GPM 4	-	-	-	4"	Flanged Joint	Double Check Valve Assembly	110 Degree F	12.1 Bar	£7,423.81	RFQ
J	774DCDA-DOSY-CFM 10	-	-	-	10"	Flanged Joint	Double Check Valve Assembly	110 Degree F	12.1 Bar	£23,804.96	RFQ
K	774DCDA-DOSY-CFM 6	-	-	-	6"	Flanged Joint	Double Check Valve Assembly	110 Degree F	12.1 Bar	£9,640.14	RFQ
L	774DCDA-DOSY-GPM 8	-	-	Flanged Joint	8"	Flanged Joint	Double Check Valve Assembly	110° F	175 PSI	£17,420.98	RFQ
M	774DCDA-OSY-FXG-GPM 10	-	-	-	10"	Flanged Joint	Double Check Valve Assembly	110 Degree F	12.1 Bar	£22,248.71	RFQ
N	774DCDA-OSY-GXF-GPM 8	-	-	-	8"	Grooved Joint	Double Check Valve Assembly	110 Degree F	12.1 Bar	£16,279.92	RFQ
M	774DCDA-OSY-FXG-CFM 8	-	-	-	8"	Flanged Joint	Double Check Valve Assembly	110 Degree F	12.1 Bar	£16,279.92	RFQ
N	774DCDA-OSY-GXF-CFM 8	-	-	-	8"	Grooved Joint	Double Check Valve Assembly	110 Degree F	12.1 Bar	£16,279.92	RFQ
M	774DCDA-OSY-FXG-GPM 6	-	-	-	6"	Flanged Joint	Double Check Valve Assembly	110 Degree F	12.1 Bar	£9,007.11	RFQ
O	774DCDA-OSY-GXG-CFM 6	-	-	-	6"	Grooved Joint	Double Check Valve Assembly	110 Degree F	12.1 Bar	£9,640.14	RFQ
M	774DCDA-OSY-FXG-GPM 4	-	-	-	4"	Flanged Joint	Double Check Valve Assembly	110 Degree F	12.1 Bar	£7,529.10	RFQ
M	774DCDA-OSY-FXG-GPM 3	-	-	-	3"	Flanged Joint	Double Check Valve Assembly	110 Degree F	12.1 Bar	£6,938.16	RFQ
D	774DCDA-OSYXPIV-GPM 6	-	-	Flanged Joint	6"	Flanged Joint	Double Check Valve Assembly	110° F	175 PSI	£9,640.14	RFQ

WATTS -

774 Series Double Check Valve Backflow Preventer Assemblies

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Style	Model	Inlet Connection	Inlet Size	Inlet Type	Max. Temp.	Max. Working Pressure	Min. Temp.	Outlet Connection	Outlet Size	Price (inc. VAT)
A	774-DNRS 6	-	6"	Flanged Joint	110 Degree F	12.1 Bar	33 Degree F	-	6"	£7,934.73	RFQ
B	774-DNRS 4	-	4"	Flanged Joint	110 Degree F	12.1 Bar	33 Degree F	-	4"	£4,942.19	RFQ
C	774-DNRS-S 6	-	6"	Flanged Joint	110 Degree F	12.1 Bar	33 Degree F	-	6"	£18,350.16	RFQ
D	774-DOSY 2 1/2	-	2-1/2"	Flanged Joint	110 Degree F	12.1 Bar	33 Degree F	-	2-1/2"	£4,288.08	RFQ
E	774-DOSY 4	-	4"	Flanged Joint	110 Degree F	12.1 Bar	33 Degree F	-	4"	£5,065.72	RFQ
F	774-DOSY 8	-	8"	Flanged Joint	110 Degree F	12.1 Bar	33 Degree F	-	8"	£14,625.86	RFQ
G	774-DOSY 10	-	10"	Flanged Joint	110 Degree F	12.1 Bar	33 Degree F	-	10"	£20,144.08	RFQ
H	774-DOSY 12	-	12"	Flanged Joint	110 Degree F	12.1 Bar	33 Degree F	-	12"	£29,871.10	RFQ
I	774-OSYXPIV 8	-	8"	Flanged Joint	110 Degree F	12.1 Bar	33 Degree F	-	8"	£15,649.11	RFQ
I	774-OSYXPIV 3	-	3"	Flanged Joint	110 Degree F	12.1 Bar	33 Degree F	-	3"	£4,907.11	RFQ
J	774-PIVXOSY 8	-	8"	Flanged Joint	110 Degree F	12.1 Bar	33 Degree F	-	8"	£15,649.11	RFQ
K	774-DOSY 6	-	6"	Flanged Joint	110 Degree F	12.1 Bar	33 Degree F	-	6"	£7,919.30	RFQ
L	774-DNRS 12	-	12"	Flanged Joint	110 Degree F	12.1 Bar	33 Degree F	-	12"	£30,257.64	RFQ
M	774-DNRS 10	-	10"	Flanged Joint	110 Degree F	12.1 Bar	33 Degree F	-	10"	£21,167.75	RFQ
N	774-DNRS 8	-	8"	Flanged Joint	110 Degree F	12.1 Bar	33 Degree F	-	8"	£15,906.22	RFQ
O	774-DNRS 2 1/2	-	2-1/2"	Flanged Joint	110 Degree F	12.1 Bar	33 Degree F	-	2-1/2"	£4,297.94	RFQ
P	774-DNRS 3	-	3"	Flanged Joint	110 Degree F	12.1 Bar	33 Degree F	-	3"	£4,720.42	RFQ
Q	774-NRS	-	-	-	-	-	-	-	-	£5,124.84
J	774-PIVXOSY 6	-	6"	Flanged Joint	110 Degree F	12.1 Bar	33 Degree F	-	6"	£7,919.30	RFQ
I	774-OSYXPIV 10	-	10"	Flanged Joint	110 Degree F	12.1 Bar	33 Degree F	-	10"	£21,554.32	RFQ
I	774-OSYXPIV 4	-	4"	Flanged Joint	110 Degree F	12.1 Bar	33 Degree F	-	4"	£5,065.72	RFQ
J	774-PIVXOSY 10	-	10"	Flanged Joint	110 Degree F	12.1 Bar	33 Degree F	-	10"	£21,554.32	RFQ
R	774-OSY	-	-	-	-	-	-	-	-	£4,069.03
J	774-PIVXOSY 4	-	4"	Flanged Joint	110 Degree F	12.1 Bar	33 Degree F	-	4"	£5,065.72	RFQ
I	774-OSYXPIV 6	-	6"	Flanged Joint	110 Degree F	12.1 Bar	33 Degree F	-	6"	£7,919.30	RFQ

WATTS -

4000B Series Reduced Pressure Zone Backflow Preventer Assemblies

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Style	Model	Body Pattern	Inlet Size	Price (inc. VAT)
A	4000B-HC 2	-	-	£4,254.41	RFQ
B	U4000B-S 1 1/2	Inline	1 1/2"	£2,049.31	RFQ
C	4000B 1 1/4	Straight	1 1/4"	£1,193.79	RFQ
D	4000B 1/2	Straight	1/2"	£484.95	RFQ
E	4000BM2-S 1	Straight	1"	£847.10	RFQ
F	4000B-S 1/2	Straight	1/2"	£525.65	RFQ
G	4000B-LBV 1/2	Straight	1/2"	£375.49	RFQ
H	4000B-LBV 2	Straight	2"	£1,146.75	RFQ
I	4000B-LBV 1 1/4	Straight	1 1/4"	£922.87	RFQ
J	4000B-LBV 1	Straight	1"	£620.41	RFQ
K	4000B 2	Straight	2"	£1,482.23	RFQ
L	4000B-OSY 2	Straight	2"	£3,660.68	RFQ
M	4000BM2 1	Straight	1"	£762.18	RFQ
N	4000BM2 3/4	Straight	3/4"	£645.67	RFQ
O	4000BM2-S 1 1/2	Straight	1 1/2"	£1,428.90	RFQ
P	4000BM2-S 2	Straight	2"	£1,704.00	RFQ
Q	4000BM3-S 3/4	Straight	3/4"	£714.45	RFQ
R	4000BM3-LBV 3/4	Straight	3/4"	£500.39	RFQ
S	4000B-LBV 1 1/2	Straight	1 1/2"	£996.58	RFQ
T	4000B-LBV 3/4	Straight	3/4"	£684.99	RFQ
U	4000BM3 3/4	Straight	3/4"	£645.67	RFQ
V	4000BM2-S 1 1/4	Straight	1 1/4"	£1,303.98	RFQ

WATTS -

LF288A Series Backflow Preventer Vacuum Breakers

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Style	Model	Inlet Connection	Inlet Size	Inlet Type	Max. Temp.	Max. Working Pressure	Min. Temp.	Outlet Size	Thread Type	Price (inc. VAT)
A	LF288ASC 3/4	-	3/4"	Female Threaded	180 Degree F	8.6 Bar	33 Degree F	3/4"	NPT	£216.15
B	LF288ASC 1/2	-	1/2"	Female Threaded	180 Degree F	8.6 Bar	33 Degree F	1/2"	NPT	£211.95
C	LF288AM2 3	-	3"	Female Threaded	180 Degree F	8.6 Bar	33 Degree F	3"	NPT	£3,386.98	RFQ
D	LF288A-SC 3/8	-	3/8"	Female Threaded	180 Degree F	8.6 Bar	33 Degree F	3/8"	FPT	£185.97
E	LF288A-SC 1/4	-	1/4"	Female Threaded	180 Degree F	8.6 Bar	33 Degree F	1/4"	FPT	£174.04
F	LF288ASC-Z6 3/4	-	3/4"	Female Threaded	180 Degree F	8.6 Bar	32 Degree F	3/4"	NPT	£229.50
G	LF288AM2 1 1/2	Female Threaded	1 1/2"	Female Threaded	180° F	125 psi	33° F	1-1/2"	NPT	£572.00
H	LF288AM4 1	Female Threaded	1"	Female Threaded	180° F	125 psi	33° F	1"	NPT	£278.62
I	LF288AM2 1 1/4	Female Threaded	1 1/4"	Female Threaded	180° F	125 psi	33° F	1-1/4"	NPT	£487.06
J	LF288AM2 2 1/2	Female Threaded	2 1/2"	Female Threaded	180° F	125 psi	33° F	2-1/2"	NPT	£2,553.21	RFQ
K	LF288AM2 2	Female Threaded	2"	Female Threaded	180° F	125 psi	33° F	2"	NPT	£888.49
L	LF288AC-Z32 1/2	Flanged Joint	1/2"	Flanged Joint	-	-	-	-	-	£197.93

WATTS -

3000SS Series Double Check Detector Backflow Preventer Assemblies

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Style	Model	Inlet Connection	Inlet Size	Outlet Connection	Seat Material	Price (inc. VAT)
A	3000SS-NRS-LM 4	-	-	-	-	£6,727.62	RFQ
B	3000SS-DOSY-FXG-GPM 10	-	-	-	-	£21,279.86	RFQ
C	3000SS-F-OSY-GPM 3	-	-	-	-	£6,135.28	RFQ
D	3000SS-F-LG-GPM 6	-	-	-	-	£6,804.81	RFQ
D	3000SS-LG-CFM 10	-	-	-	-	£15,225.21	RFQ
E	3000SS-NRS-GPM 4	-	-	-	-	£6,828.68	RFQ
E	3000SS-NRS-CFM 6	-	-	-	-	£8,755.86	RFQ
C	3000SS-RHOSY-GPM 8	-	-	-	-	£18,959.46	RFQ
C	3000SS-OSY-GPM 2 1/2	-	-	-	-	£5,491.01	RFQ
D	3000SS-LG-GPM 8	-	-	-	-	£11,832.62	RFQ
D	3000SS-LG-GPM 2 1/2	-	-	-	-	£4,226.33	RFQ
C	3000SS-RHOSY-GPM 6	-	-	-	-	£10,492.14	RFQ
C	3000SS-OSY-GPM 4	-	-	-	-	£6,637.78	RFQ
D	3000SS-SR-LG-CFM 6	-	-	-	-	£12,801.61	RFQ
C	3000SS-OSY-CFM 10	-	-	-	-	£21,279.86	RFQ
C	3000SS-OSY-GPM 6	-	-	-	-	£8,602.87	RFQ
E	3000SS-NRS-GPM 6	-	-	-	-	£8,755.86	RFQ
F	3000SS-DOSY-CFM 12	-	-	-	-	£27,456.07	RFQ
C	3000SS-OSY-CFM 2 1/2	-	-	-	-	£5,491.01	RFQ
D	3000SS-F-LG-CFM 6	-	-	-	-	£6,804.81	RFQ
E	3000SS-NRS-CFM 3	-	-	-	-	£5,600.51	RFQ
G	3000SS-DNRS-LM 3	-	-	-	-	£6,177.39	RFQ
E	3000SS-NRS-CFM 4	-	-	-	-	£6,828.68	RFQ
D	3000SS-F-LG-CFM 2 1/2	-	-	-	-	£4,522.50	RFQ
D	3000SS-SR-LG-CFM 4	-	-	-	-	£9,628.87	RFQ

WATTS -

9D Series Dual Check Valve Backflow Preventers

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Style	Model	Inlet Connection	Inlet Size	Inlet Type	Item	Max. Temp.	Max. Working Pressure	Min. Temp.	Outlet Connection	Price (inc. VAT)
A	9D-S-M2 3/4	-	3/4"	Union Solder	Dual Check Valve	250 Degree F	12.1 Bar	33 Degree F	-	£155.81
B	9DS-SC-M2	-	3/4"	Union Solder	Dual Check Valve	250 Degree F	12.1 Bar	33 Degree F	-	£209.16
C	9DM3 (W/PRESS) 1/2	-	1/2"	Press	Dual Check Valve	250 Degree F	12.1 Bar	33 Degree F	-	£125.46
D	9DM2 3/4	-	-	-	Pressure Relief Valve	-	-	-	-	£163.93	RFQ
E	9D-S-M3 1/2	-	1/2"	Union Solder	Dual Check Valve	250 Degree F	12.1 Bar	33 Degree F	-	£152.31
F	9DM2 (W/PRESS) 3/4	-	3/4"	Press	Dual Check Valve	250 Degree F	12.1 Bar	33 Degree F	-	£130.36
G	9DM2-LU	Female Threaded	3/4"	Female Threaded	Dual Check Valve	250° F	175 PSI	33° F	Female Threaded	£159.30
H	9DM2-Z5	Union Female Threaded	1/2"	Union Female Threaded	Dual Check Valve	250° F	175 PSI	33° F	Union Joint	£163.54
I	9D-SC	Union Female Threaded	1/2"	Union Female Threaded	Dual Check Valve	250° F	175 PSI	33° F	Union Joint	£206.33
J	9D-SC-M2	Union Female Threaded	3/4"	Union Female Threaded	Dual Check Valve	250° F	175 PSI	33° F	Union Joint	£209.16
K	9DM3-SC	Union Female Threaded	1/2"	Union Female Threaded	Dual Check Valve	250° F	175 PSI	33° F	Union Joint	£206.33

WATTS -

994 Series Reduced Pressure Zone Backflow Preventer Assemblies

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Style	Model	Inlet Connection	Inlet Size	Inlet Type	Outlet Connection	Outlet Size	Outlet Type	Type	Valve Type	Price (inc. VAT)
A	994-DOSY 6	Flanged Joint	6"	Flanged Joint	Flanged Joint	6"	Flanged Joint	Valve to Accessory	Outside Stem And Yoke Gate Valve	£12,311.28	RFQ
B	SR994-OSY-SS 6	Flanged Joint	6"	Flanged Joint	-	6"	-	Valve to Accessory	Outside Stem And Yoke Gate Valve	£15,848.97	RFQ
C	994-OSY-FXG 10	Flanged Joint	10"	Flanged Joint	Grooved Joint	10"	Grooved Joint	Valve to Accessory	Outside Stem And Yoke Gate Valve	£27,450.10	RFQ
C	994-OSY-FXG 4	Flanged Joint	4"	Flanged Joint	Grooved Joint	4"	Grooved Joint	Valve to Accessory	Outside Stem And Yoke Gate Valve	£7,230.12	RFQ
C	994-OSY-FXG 2 1/2	Flanged Joint	2 1/2"	Flanged Joint	Grooved Joint	2-1/2"	Grooved Joint	Valve to Accessory	Outside Stem And Yoke Gate Valve	£5,622.94	RFQ
D	994-DNRS 10	Flanged Joint	10"	Flanged Joint	Flanged Joint	10"	Flanged Joint	Valve to Accessory	Non Rising Stem Gate Valve	£26,961.88	RFQ
E	994-DOSY 8	Flanged Joint	8"	Flanged Joint	Flanged Joint	8"	Flanged Joint	Valve to Accessory	Outside Stem And Yoke Gate Valve	£21,492.76	RFQ
F	994-DOSY 10	Flanged Joint	10"	Flanged Joint	Flanged Joint	10"	Flanged Joint	Valve to Accessory	Outside Stem And Yoke Gate Valve	£29,372.86	RFQ
G	994-DNRS 8	Flanged Joint	8"	Flanged Joint	Flanged Joint	8"	Flanged Joint	Valve to Accessory	Non Rising Stem Gate Valve	£20,287.25	RFQ
H	994-DNRS 6	Flanged Joint	6"	Flanged Joint	Flanged Joint	6"	Flanged Joint	Valve to Accessory	Non Rising Stem Gate Valve	£11,588.38	RFQ
I	994-DNRS 4	Flanged Joint	4"	Flanged Joint	Flanged Joint	4"	Flanged Joint	Valve to Accessory	Non Rising Stem Gate Valve	£7,277.83	RFQ
B	SR994-OSY 8	Flanged Joint	8"	Flanged Joint	-	8"	-	Valve to Accessory	Outside Stem And Yoke Gate Valve	£22,135.58	RFQ
J	SR994-OSY 4	Flanged Joint	4"	Flanged Joint	-	4"	-	Valve to Accessory	Outside Stem And Yoke Gate Valve	£7,969.81	RFQ
K	994-NRS 10	Flanged Joint	10"	Flanged Joint	Flanged Joint	10"	Flanged Joint	Valve to Accessory	Non Rising Stem Gate Valve	£25,196.59	RFQ
L	994-NRS-S 8	Flanged Joint	8"	Flanged Joint	Flanged Joint	8"	Flanged Joint	Valve to Accessory	Non Rising Stem Gate Valve	£23,757.71	RFQ
C	994-OSY-FXG 6	Flanged Joint	6"	Flanged Joint	Grooved Joint	6"	Grooved Joint	Valve to Accessory	Outside Stem And Yoke Gate Valve	£11,505.59	RFQ
B	SR994-OSY 10	Flanged Joint	10"	Flanged Joint	-	10"	-	Valve to Accessory	Outside Stem And Yoke Gate Valve	£30,253.36	RFQ
J	SR994-OSY-SS 8	Flanged Joint	8"	Flanged Joint	-	8"	-	Valve to Accessory	Outside Stem And Yoke Gate Valve	£29,181.03	RFQ
C	994-OSY-FXG 3	Flanged Joint	3"	Flanged Joint	Grooved Joint	3"	Grooved Joint	Valve to Accessory	Outside Stem And Yoke Gate Valve	£6,538.14	RFQ
C	994-OSY-FXG 8	Flanged Joint	8"	Flanged Joint	Grooved Joint	8"	Grooved Joint	Valve to Accessory	Outside Stem And Yoke Gate Valve	£20,142.67	RFQ
M	994-NRS 4	Flanged Joint	4"	Flanged Joint	Flanged Joint	4"	Flanged Joint	Valve to Accessory	Non Rising Stem Gate Valve	£6,800.61	RFQ
N	994-LF 4	Flanged Joint	4"	Flanged Joint	-	4"	-	Valve to Accessory	No Shutoff Valve	£5,552.78	RFQ
O	994-DNRS 2 1/2	Flanged Joint	2 1/2"	Flanged Joint	Flanged Joint	2-1/2"	Flanged Joint	Valve to Accessory	Non Rising Stem Gate Valve	£5,629.97	RFQ
P	994-LF 3	Flanged Joint	3"	Flanged Joint	-	3"	-	Valve to Accessory	No Shutoff Valve	£4,711.98	RFQ
J	SR994-OSY-SS 4	Flanged Joint	4"	Flanged Joint	-	4"	-	Valve to Accessory	Outside Stem And Yoke Gate Valve	£9,960.20	RFQ

WATTS -

994HMB Series Portable Hydrant Backflow Preventers

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B

Style	Model	Inlet Connection	Inlet Type	Price (inc. VAT)
A	994HMB-CFM 2 1/2 X 3	Flanged Joint	Flanged Joint	£12,145.64	RFQ
B	994HMB-GPM 2 1/2 X 3	Grooved Joint	Grooved Joint	£12,145.64	RFQ

WATTS -

880V Series Reduced Pressure Zone Backflow Preventer Assemblies

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Style	Model	Price (inc. VAT)
A	880V-DNRS RP 6	£8,765.68	RFQ
A	880V-NRS RP 10	£21,334.84	RFQ
A	880V-DNRS RP 10	£21,334.84	RFQ
B	880V-LG RP 10	£17,896.29	RFQ
C	880V-DOSY RP 6	£9,123.62	RFQ
D	880V-OSY RP 10	£22,418.19	RFQ
C	880V-DOSY RP 10	£22,418.19	RFQ

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Backflow Preventer Accessories

850 Small Series Double Check Valve Backflow Preventer Assemblies

LF719 Series Double Check Valve Backflow Preventer Assemblies

4000B-FP Series Reduced Pressure Zone Backflow Preventer Assemblies

800M4QT Series Vacuum Breaker Backflow Preventers

876V Series Double Check Detector Backflow Preventer Assemblies

2000SS Series Double Check Valve Backflow Preventer Assemblies

C300 Series Double Check Detector Backflow Preventer Assemblies

876VST Series Double Check Detector Backflow Preventer Assemblies

LF880V Series Reduced Pressure Zone Backflow Preventer Assemblies

LFC500 Series Reduced Pressure Detector Backflow Preventer Assemblies

LF850 Small Series Double Check Valve Backflow Preventer Assemblies

774DCDA Series Double Check Detector Backflow Preventer Assemblies

774 Series Double Check Valve Backflow Preventer Assemblies

4000B Series Reduced Pressure Zone Backflow Preventer Assemblies

LF288A Series Backflow Preventer Vacuum Breakers

3000SS Series Double Check Detector Backflow Preventer Assemblies

9D Series Dual Check Valve Backflow Preventers

994 Series Reduced Pressure Zone Backflow Preventer Assemblies

994HMB Series Portable Hydrant Backflow Preventers

880V Series Reduced Pressure Zone Backflow Preventer Assemblies

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