WATTS Relief Valves

ASME complaint safety, vacuum relief and steam safety relief valves featuring a stainless-steel spring to control the opening / closing of the seal whenever the spring force exceeds a preset value, and then discharging fluid at the outlet

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WATTS -

1450F Series, Iron/Bronze Combination Fill and Relief Valve

Style	Model	Inlet Type	Overall Length	Pressure Range	Price (inc. VAT)
A	1450F	FNPT	6.5"	10 to 100 psi	£191.23
B	S1450F	Union Solder	7"	10 to 25 psi	£182.09

WATTS -

LF530C Series, Lead-Free Brass Calibrated Adjustable Relief Valve

Style	Model	Inlet Size	Price (inc. VAT)
A	1/2 LF 530-C STD	1/2"	£87.62
A	3/4 LF 530-C STD	3/4"	£95.72

WATTS -

Bronze Steam Safety Relief Valves

Style	Model	Compliance	Inlet Size	Outlet Size	Overall Height	Overall Length	Seat Material	Price (inc. VAT)
A	0006275	NB, ASME	3/4"	3/4"	2.75"	2.125"	Bronze	£129.38
B	0006277	NB, ASME and HV	1"	1"	3.125"	2.375"	Metal	£209.71
B	0006276	NB, ASME and HV	3/4"	3/4"	2 13/16"	2.375"	Metal	£186.86

WATTS -

Ball And Relief Valves

Style	Model	Shaft Material	Min. Temp.	Ball Material	Control Type	Inlet Connection	Inlet Type	Max. Temp.	Mfr. Series	Price (inc. VAT)
A	3/4 LFBRVM1PXPXB-125	-	-	-	Tee Handle	-	-	-	LFBRVM1	£125.86
A	3/4 LFBRVM1SXSXC-125	Brass	-40 Degree F	Chrome Plated Brass	Lever Handle	-	Socket	180 Degree F	LFBRVM1	£144.42
B	3/4 LFBRVM1TXTXC-125	Brass	40 Degree F	Chrome Plated Brass	Lever Handle	-	Female Threaded	180 Degree F	LFBRVM1	£125.86
C	3/4 LFBRVM1TXTXC-80	Brass	40 Degree F	Chrome Plated Brass	Lever Handle	-	Female Threaded	180 Degree F	LFBRVM1	£133.91
A	3/4 LFBRVM1SXSXP-80	Brass	40 Degree F	Chrome Plated Brass	Lever Handle	-	Crimped	180 Degree F	LFBRVM1	£139.66
A	BRVP-80 3/4	Brass	-	Viton	Lever Handle	-	-	210 Degree F	BRV	£164.66
D	3/4 LFBRVM1PXPXP-125	Brass	40 Degree F	Chrome Plated Brass	Lever Handle	-	Crimped	180 Degree F	LFBRVM1	£125.86
E	3/4 LFBRVM1PXPXC-125	Brass	40 Degree F	Chrome Plated Brass	Lever Handle	-	Crimped	180 Degree F	LFBRVM1	£136.50
A	3/4 LBRVM1TXTXB-125	Brass	40 Degree F	Chrome Plated Brass	Lever Handle	-	Female Threaded	180 Degree F	LFBRVM1	£115.74
F	3/4 LBRVM1SXSXB-125	Brass	-40 Degree F	Chrome Plated Brass	Lever Handle	-	Socket	180 Degree F	LFBRVM1	£115.74
G	LFBRVPXPXP-125 3/4	Stainless Steel	-	Stainless Steel	Lever Handle	-	Crimped	100 Degree F	LFBRV	£221.07
H	LFBRVP-125 3/4	Stainless Steel	-	Stainless Steel	Lever Handle	-	Crimped	100 Degree F	LFBRV	£221.07
I	LFBRVS-125 3/4	Stainless Steel	99° F	Stainless Steel	Lever Handle	Socket	-	100° F	-	£200.02	RFQ
J	LFBRVT-125 3/4	Stainless Steel	-40° F	Stainless Steel	Lever Handle	Female Threaded	-	100° F	-	£200.02	RFQ

WATTS -

Iron Safety Relief Valve

Style	Model	Outlet Size	Overall Length	BtuH	Outlet Type	Overall Height	Disc Material	Seat Material	Spring Material	Price (inc. VAT)
A	3/4 740-050	1"	3"	1,352,000	FNPT	5.625"	Silicone	Bronze	Stainless Steel	£213.95
B	3/4 740	1"	3"	925,000	FNPT	5.625"	Buna-N	Metal	Brass	£192.48
A	3/4 740-075	1"	3"	1,886,000	FNPT	5.625"	Silicone	Bronze	Stainless Steel	£223.22
A	1 1/4 740-050	1.5"	4.625"	3,075,000	FNPT	8.75"	Silicone	Bronze	Stainless Steel	£604.65
A	1 1/4 740-075	1.5"	4.625"	4,285,000	FNPT	8.75"	Silicone	Bronze	Stainless Steel	£605.47
B	11/4 740	1.5"	4.625"	2,105,000	FNPT	8.75"	Buna-N	Metal	Brass	£549.89
B	1 740	1.25"	3.5"	1,300,000	FNPT	7.25"	Buna-N	Metal	Brass	£359.64
A	1 740-050	1.25"	3.5"	1,899,000	FNPT	7.25"	Silicone	Bronze	Stainless Steel	£385.36
A	1 740-075	1.25"	3.5"	2,649,000	FNPT	7.25"	Silicone	Bronze	Stainless Steel	£407.81
A	1 1/2 740-050	2"	5.25"	4,237,000	FNPT	9.25"	Silicone	Bronze	Stainless Steel	£857.81
B	11/2 740	2"	5.25"	2,900,000	FNPT	9.25"	Buna-N	Metal	Brass	£847.37
C	1 1/2 740-075	2"	5.25"	5,909,000	FNPT	9.25"	Silicone	Bronze	Stainless Steel	£833.49
D	2 740-075	2.5"	6.75"	10,700,000	FNPT	11.625"	Silicone	Bronze	Stainless Steel	£1,290.85
E	2 740-050	2.5"	6.75"	7,672,000	FNPT	11.625"	Silicone	Bronze	Stainless Steel	£1,187.38
F	3/4 374 A	3/4"	2.5"	550,000	MNPT	3.625"	Buna-N	Metal	Brass	£92.64

WATTS -

Relief Valves

Style	Model	Item	Price (inc. VAT)
A	1/2 530-C	Pressure Relief Valve	£123.04
B	1/2 LF53-75	Pressure Relief Valve	£213.85
C	3/4 LF53-125	Pressure Relief Valve	£219.18
D	3/4 LF3L-150	Pressure Relief Valve	£189.94
E	3/4 3L-150	Pressure Relief Valve	£167.10
F	1/2 530-FP	Pressure Relief Valve	£123.04
G	1/2 LF53L-150	Pressure Relief Valve	£182.63
H	1/2 53L-150	Pressure Relief Valve	£143.97
I	3/4 LF3L-075	Pressure Relief Valve	£193.88
J	1/2 53L-175	Pressure Relief Valve	£139.48
K	3/4 530-C	Pressure Relief Valve	£131.41
L	1/2 LF53-125	Pressure Relief Valve	£194.49
M	3/4 LFBRVM1SXSXB-125	Relief Valve	£125.86
N	3/4 LFBRVM1TXTXB-125	Relief Valve	£154.59
O	3/4 335M2-030	Safety Relief Valve	£60.63
P	3/4 M335M2-030	Safety Relief Valve	£65.80
Q	3/4 354A-030	Safety Relief Valve	£107.72

WATTS -

Vacuum Relief Valves

Style	Model	Pressure Range	Spring Material	Body Material	Inlet Size	Inlet Type	Max. Temp.	Max. Working Pressure	Outlet Size	Price (inc. VAT)
A	LFN36M1 1/2	-	-	Lead Free Brass	1/2"	Male Threaded	250° F	15 PSI	-	£97.23
A	N360-Z1	-	-	Brass	3/4"	Male Threaded	250° F	200 PSI	3/4"	£118.38
B	LFN36-M1-3/4"	0 to 200 psi	Stainless Steel	Lead Free Brass	3/4"	Male Threaded	250 Degree F	-	3/4"	£76.67
C	1/2 LF N36	Up to 15 psi Steam/Up to 200 psi Water	302 Stainless Steel	Lead-Free Brass	1/2"	MNPT	-	-	1/2"	£73.82

WATTS -

Steam Safety Relief Valves

Style	Model	Relief Pressure	Price (inc. VAT)
A	315M2-012	-	£152.21
A	315M2-005	5 Psi	£140.28
A	L315M2-SC-008	8 Psi	£212.92
A	L315M2-008	8 Psi	£120.70
A	315M2-SC-008	8 Psi	£212.92
A	L315M2-015	15 Psi	£158.34
B	315M2-015	15 Psi	£159.86

WATTS -

Safety Relief Valve, Bronze

Style	Model	Overall Height	Seat Material	BtuH	Overall Length	Disc Material	Spring Material	Factory Set Pressure	Inlet Size	Price (inc. VAT)
A	1 174A 125	5.75"	Metal	3,215,000	3"	Nonmetallic	Stainless Steel	125 psi	1"	£325.03
A	1 174A 100	5.75"	Metal	2,635,000	3"	Nonmetallic	Stainless Steel	100 psi	1"	£326.92
B	1 174A-150	5.75"	Bronze	3,795,000	3"	Silicone	Stainless Steel	150 psi	1"	£433.42
A	1 174A 75	5.75"	Metal	2,055,000	3"	Nonmetallic	Stainless Steel	75 psi	1"	£402.09
C	1 174A-050	5.75"	Bronze	1,470,000	3"	Silicone	Stainless Steel	50 psi	1"	£432.03
D	3/4 174A-050	5.125"	Bronze	950,000	2.5"	Silicone	Stainless Steel	50 psi	3/4"	£158.64
E	174 A-3/4"	5.125"	Metal	650,000	2.5"	Nonmetallic	Stainless Steel	30 psi	3/4"	£100.30
D	3/4 174A-075	5.125"	Bronze	1,320,000	2.5"	Silicone	Stainless Steel	75 psi	3/4"	£168.44
D	3/4 174A-150	5.125"	Bronze	2,445,000	2.5"	Silicone	Stainless Steel	150 psi	3/4"	£164.05
D	3/4 174A-125	5.125"	Bronze	2,070,000	2.5"	Silicone	Stainless Steel	125 psi	3/4"	£168.91
D	3/4 174A-100	5.125"	Bronze	1,695,000	2.5"	Silicone	Stainless Steel	100 psi	3/4"	£168.86
C	1 1/4 174A-125	8.375"	Bronze	5,370,000	4.75"	Silicone	Stainless Steel	125 psi	1.25"	£768.48
C	1 1/4 174A-150	8.375"	Bronze	6,340,000	4.75"	Silicone	Stainless Steel	150 psi	1.25"	£678.06
C	1 1/4 174A-075	8.375"	Bronze	3,429,000	4.75"	Silicone	Stainless Steel	75 psi	1.25"	£718.74
C	1 1/4 174A-100	8.375"	Bronze	4,399,000	4.75"	Silicone	Stainless Steel	100 psi	1.25"	£745.87
F	11/4 174 A	8.375"	Metal	1,682,000	4.75"	Buna-N	Brass	30 psi	1.25"	£530.47
C	1 1/2 174A-150	9"	Bronze	7,630,000	4.875"	Silicone	Stainless Steel	150 psi	1.5"	£1,134.78
F	2 174 A	11.625"	Metal	3,815,000	6.25"	Buna-N	Brass	30 psi	2"	£1,178.49
D	2 174A-125	11.625"	Bronze	12,170,000	6.25"	Silicone	Stainless Steel	125 psi	2"	£1,610.57
D	2 174A-100	11.625"	Bronze	9,970,000	6.25"	Silicone	Stainless Steel	100 psi	2"	£1,610.57
G	2 174A-050	11.625"	Bronze	5,575,000	6.25"	Silicone	Stainless Steel	50 psi	2"	£1,384.22
D	2 174A-075	11.625"	Bronze	7,770,000	6.25"	Silicone	Stainless Steel	75 psi	2"	£1,384.22
D	2 174A-150	11.625"	Bronze	14,370,000	6.25"	Silicone	Stainless Steel	150 psi	2"	£1,308.10

WATTS -

Steam Relief Valves

Style	Model	Body Material	Discharge Capacity	Inlet Connection	Inlet Size	Inlet Type	Outlet Size	Price (inc. VAT)
A	415M1-008	Brass	450 pounds per hour At 15 psi	Male Threaded	3/4"	Male Threaded	3/4"	£258.26
A	415M1-SC-008	Brass	450 pounds per hour At 15 psi	Male Threaded	3/4"	Male Threaded	3/4"	£271.35
A	415M1-010	Brass	450 pounds per hour At 15 psi	Male Threaded	3/4"	Male Threaded	3/4"	£207.53
A	415-015 1 1/4	Bronze	1230 pounds per hour At 15 psi	Male Threaded	1 1/4"	Male Threaded	1-1/2"	£459.65
A	415-015 1 1/2	Bronze	1860 pounds per hour At 15 psi	Male Threaded	1 1/2"	Male Threaded	2"	£525.75
A	415M1-015 1	Bronze	643 pounds per hour At 15 psi	Female Threaded	1"	Female Threaded	1"	£328.98

WATTS -

Tankless Water Heater Kit, Copper Silicon Alloy, 150 Psi Max. Op Pressure

Model	Item	Price (inc. VAT)
LFTWHG2-FT-HC-RV	CU9TWE	£165.98

WATTS -

Dual Control Regulator And Relief Valve, 1/2 Inch Inlet, 6.9 Bar Pressure

Model	Item	Price (inc. VAT)
1450F-STD 1/2	BP6CBY	£290.55

WATTS -

Safety Relief Valve 2 x 2-1/2 Inch 30 Psi

Model	Item	Price (inc. VAT)
2 740	AC8KTW	£1,204.16

WATTS -

Adjustable Relief Valve 3/4 x 1/2 175psi

Model	Item	Price (inc. VAT)
530-3/4	AC3WLC	£63.15

WATTS -

Safety Relief Valve, 3/4 Inch Size, 75 psi

Model	Item	Price (inc. VAT)
375M1-075	BP2MQT	£112.61

WATTS -

Fire Pump Relief Valve, Ansi End Connection

Model	Item	Price (inc. VAT)
F1116 8	BZ9JUA	£18,500.24	See Details

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WATTS Relief Valves

ASME complaint safety, vacuum relief and steam safety relief valves featuring a stainless-steel spring to control the opening / closing of the seal whenever the spring force exceeds a preset value, and then discharging fluid at the outlet

1450F Series, Iron/Bronze Combination Fill and Relief Valve

LF530C Series, Lead-Free Brass Calibrated Adjustable Relief Valve

Bronze Steam Safety Relief Valves

Ball And Relief Valves

Iron Safety Relief Valve

Relief Valves

Vacuum Relief Valves

Steam Safety Relief Valves

Safety Relief Valve, Bronze

Steam Relief Valves

Tankless Water Heater Kit, Copper Silicon Alloy, 150 Psi Max. Op Pressure

Dual Control Regulator And Relief Valve, 1/2 Inch Inlet, 6.9 Bar Pressure

Safety Relief Valve 2 x 2-1/2 Inch 30 Psi

Adjustable Relief Valve 3/4 x 1/2 175psi

Safety Relief Valve, 3/4 Inch Size, 75 psi

Fire Pump Relief Valve, Ansi End Connection

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Brands

WATTS Relief Valves ASME complaint safety, vacuum relief and steam safety relief valves featuring a stainless-steel spring to control the opening / closing of the seal whenever the spring force exceeds a preset value, and then discharging fluid at the outlet

Tankless Water Heater Kit, Copper Silicon Alloy, 150 Psi Max. Op Pressure

Dual Control Regulator And Relief Valve, 1/2 Inch Inlet, 6.9 Bar Pressure

Safety Relief Valve 2 x 2-1/2 Inch 30 Psi

Adjustable Relief Valve 3/4 x 1/2 175psi

Safety Relief Valve, 3/4 Inch Size, 75 psi

Fire Pump Relief Valve, Ansi End Connection

We are here to help!

Looking for a part not listed here?

Explore More

WATTS Relief Valves

ASME complaint safety, vacuum relief and steam safety relief valves featuring a stainless-steel spring to control the opening / closing of the seal whenever the spring force exceeds a preset value, and then discharging fluid at the outlet