WATTS Temperature And Pressure Relief Valves

ASME and ANSI approved relief valves to protect water heaters and hot-water storage tanks from high temperature (max. 250 degrees F) and pressure (max. 150 psi) levels. Available in bronze, lead-free brass & lead-free copper silicon alloy material

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WATTS -

LL40 Extended Inlet Shank Temperature and Pressure Relief Valve

Style	Model	Discharge Capacity	Inlet Size	Max. Temp.	Mfr. Series	Outlet Size	Relief Pressure	Price (ex. VAT)
A	LL40XLM15-150210 3/4	-	3/4"	210 Degree F	LL40XL	3/4"	150 Psi	€543.78
A	LLL40XLM15-150210 3/4	-	3/4"	210 Degree F	40L	3/4"	150 Psi	€568.73
A	LL40XL-75210 3/4	-	3/4"	210 Degree F	LL40XL	3/4"	75 Psi	€598.25
A	LLL40XLM15-125210 3/4	-	3/4"	210 Degree F	40L	3/4"	125 psi	€715.28
B	LL40XLM15-125210 1	1808000 btuh	1"	210° F	LL40XL	1"	125 psi	€1,058.07
B	LL40XLM15-150210 1	2134000 btuh	1"	210° F	LL40XL	1"	150 Psi	€988.49

WATTS -

LF10L Series Temperature and Pressure Relief Valves

Style	Model	Body Material	Relief Pressure	Shank Length	Price (ex. VAT)
A	LF10L-2 75-210 3/4	Lead Free Bronze	75 Psi	1 3/16"	€77.91
A	LF10L-2 125-210 3/4	Lead Free Bronze	125 psi	1 3/16"	€77.91
A	LF10L-2 150-210 3/4	Lead Free Copper Silicon Alloy	150 Psi	1 1/8"	€70.70

WATTS -

LF140 Series Automatic Re Seating Temperature and Pressure Relief Valves

Style	Model	Body Height	Body Material	Body Width	Discharge Capacity	Inlet Size	Inlet Thread Type	Inlet Type	Max. Temp.	Price (ex. VAT)
A	LF140X6 150-210 3/4	-	Lead Free Brass	-	-	3/4"	-	Female Threaded	210 Degree F	€636.80
A	LF140S3 150-210 3/4	-	Lead Free Brass	-	-	3/4"	-	Male Threaded	210 Degree F	€583.10
A	LF1403S 125-210 3/4	-	Lead Free Brass	-	-	3/4"	-	Male Threaded	210 Degree F	€1,029.88
B	LF140S3 125-210 1	-	Lead Free Bronze	-	2610000 btuh	1"	NPT	Female Threaded	210° F	€1,616.80
A	LF140X6 125-210 3/4	-	Lead Free Brass	-	-	3/4"	-	Female Threaded	210 Degree F	€649.68
C	LF140X6 125-210 1	-	Lead Free Brass	-	2610000 btuh	1"	FPT	Female Threaded	210° F	€1,502.70
C	LF140X6 150-210 1	-	Lead Free Bronze	-	3085000 btuh	1"	NPT	Female Threaded	210° F	€1,423.02
A	LF140X8 150-210 3/4	-	Lead Free Brass	-	-	3/4"	-	Female Threaded	210 Degree F	€685.22
D	LF140X8 125-210 3/4	-	Lead Free Brass	-	-	3/4"	-	Female Threaded	210 Degree F	€710.30
E	LF140X9-150-210-1"	5.5"	Lead Free Copper Silicon Alloy	3"	-	1"	-	Female Threaded	210 Degree F	€864.21
F	LF140S3-150-210-1"	5.625"	Lead Free Bronze	2.625"	-	1"	-	Female Threaded	210 Degree F	€742.14

WATTS -

174A Series Water Boiler Pressure Relief Valves

Style	Model	Discharge Capacity	Inlet Size	Max. Temp.	Max. Working Pressure	Outlet Size	Relief Pressure	Price (ex. VAT)
A	174A-045 3/4	-	3/4"	250 Degree F	-	3/4"	45 Psi	€379.09
A	174A-030 3/4	-	3/4"	250 Degree F	-	3/4"	30 Psi	€202.44
A	174A-145 1	-	1"	250 Degree F	-	1"	145 Psi	€800.58
A	174A-140 1	-	1"	250 Degree F	-	1"	140 Psi	€800.58
A	174A-130 3/4	-	3/4"	250 Degree F	-	3/4"	130 Psi	€377.63
A	174A-095 3/4	-	3/4"	250 Degree F	-	3/4"	95 Psi	€306.72
A	174A-115 3/4	-	3/4"	250 Degree F	-	3/4"	115 Psi	€377.63
A	174A-115 1 1/4	-	1-1/4"	250 Degree F	-	1-1/4"	115 Psi	€1,026.30
A	174A-060 3/4	-	3/4"	250 Degree F	-	3/4"	60 Psi	€298.74
B	174A-35 1 1/2	2250000 btuh At 35 psi	1 1/2"	250° F	25 psi	1-1/2"	35 Psi	€1,485.41
B	174A-036 1 1/2	2310000 btuh At 36 psi	1 1/2"	250° F	26 psi	1-1/2"	36 Psi	€1,485.41
B	174A-050 1 1/4	2459000 btuh	1 1/4"	250° F	38 psi	1-1/4"	50 Psi	€1,002.85
B	174A-040	2490000 btuh At 40 psi	1 1/2"	250° F	30 psi	1-1/2"	40 Psi	€1,485.41
B	174A-045 1 1/2	2720000 btuh At 45 psi	1 1/2"	250° F	35 PSI	1-1/2"	45 Psi	€1,485.41
B	174A-050 1 1/2	2950000 btuh At 50 psi	1 1/2"	250° F	38 psi	1-1/2"	50 Psi	€1,485.41
B	174A-65 1 1/4	3041000 btuh At 65 psi	1 1/4"	250° F	49 psi	1-1/4"	65 Psi	€1,075.49
B	174A-55 1 1/2	3190000 btuh At 55 psi	1 1/2"	250° F	41 psi	1-1/2"	55 Psi	€1,485.41
B	174A-060 1 1/2	3425000 btuh At 60 psi	1 1/2"	250° F	45 psi	1-1/2"	60 Psi	€1,485.41
B	174A-65 1 1/2	3660000 btuh At 65 psi	1 1/2"	250° F	49 psi	1-1/2"	65 Psi	€1,485.41
B	174A-70 1 1/2	3890000 btuh At 70 psi	1 1/2"	250° F	53 psi	1-1/2"	70 Psi	€1,485.41
B	174A-90 1 1/4	4011000 btuh At 90 psi	1 1/4"	250° F	68 psi	1-1/4"	90 Psi	€1,075.49
B	174A-075 1 1/2	4125000 btuh At 75 psi	1 1/2"	250° F	56 psi	1-1/2"	75 Psi	€1,485.41
B	174A-80 1 1/2	4360000 btuh At 80 psi	1 1/2"	250° F	60 psi	1-1/2"	80 Psi	€1,485.41
B	174A-100	4399000 btuh At 100 psi	1 1/4"	250° F	75 PSI	1-1/4"	100 Psi	€1,002.85
B	174A-85 1 1/2	4590000 btuh At 85 psi	1 1/2"	250° F	64 psi	1-1/2"	85 Psi	€1,485.41

WATTS -

53 Series Pressure Relief Valves

Style	Model	Inlet Size	Outlet Size	Relief Pressure	Price (ex. VAT)
A	53-125 1/2	1/2"	1/2"	125 psi	€112.33
B	53-035 1/2	1/2"	1/2"	35 Psi	€115.33
B	53-075 1/2	1/2"	1/2"	75 Psi	€115.33
B	53-100 1/2	1/2"	1/2"	100 Psi	€123.28
C	53-150 3/4	3/4"	3/4"	150 Psi	€116.48
C	53-125 3/4	3/4"	3/4"	125 psi	€116.48
C	53-075 3/4	3/4"	3/4"	75 Psi	€120.25

WATTS -

740 Series Water Boiler Relief Valves

Style	Model	Discharge Capacity	Inlet Size	Max. Temp.	Max. Working Pressure	Outlet Size	Relief Pressure	Price (ex. VAT)
A	740-040 3/4	-	3/4"	250 Degree F	-	1"	40 Psi	€472.65
A	740-050 3/4	-	3/4"	250 Degree F	-	1"	50 Psi	€199.48
A	740-075 3/4	-	3/4"	250 Degree F	-	1"	75 Psi	€191.30
B	740-030 1 1/4	2105000 btuh	1 1/4"	250° F	20 psi	1-1/2"	30 Psi	€851.38
B	740-030 1 1/2	2900000 btuh	1 1/2"	250° F	20 psi	2"	30 Psi	€982.07
B	740-050 1 1/4	3075000 btuh	1 1/4"	250° F	38 psi	1-1/2"	50 Psi	€733.42

WATTS -

Temperature and Pressure Relief Valves

Style	Model	Body Material	Inlet Size	Inlet Type	Item	Max. Temp.	Mfr. Series	Outlet Size	Outlet Type	Price (ex. VAT)
A	3/4 LFSL100XL-150/210	-	-	-	Pressure Relief Valve	-	-	-	-	€89.20
B	1/2 LF1XL 150-210	-	-	-	Pressure Relief Valve	-	-	-	-	€79.89
C	3/4 100XL8 150/210	-	-	-	Pressure Relief Valve	-	-	-	-	€48.17
D	3/4 40XL8 150210	-	-	-	Pressure Relief Valve	-	-	-	-	€381.27
E	3/4 LF100XL8 150/210	-	-	-	Pressure Relief Valve	-	-	-	-	€50.82
F	3/4 LF100XL 125-210	-	-	-	Pressure Relief Valve	-	-	-	-	€37.14
G	3/4 LF L100XL 150-210	-	-	-	Pressure Relief Valve	-	-	-	-	€54.92
H	1/2 1XL- 8-150210	-	-	-	Pressure Relief Valve	-	-	-	-	€68.95
I	1/2 1XL-150210	-	-	-	Pressure Relief Valve	-	-	-	-	€67.50
J	1/2 LF1XL-8 150-210	-	-	-	Pressure Relief Valve	-	-	-	-	€90.81
K	1 LF40XL 150/210	-	-	-	Pressure Relief Valve	-	-	-	-	€737.35
L	1 40XL7-150210	-	-	-	Pressure Relief Valve	-	-	-	-	€437.57
M	3/4 100-DT	-	-	-	Tube	-	-	-	-	€16.20
N	1 LF 240X 125	-	-	-	Temperature and Pressure Relief Valve	-	-	-	-	€1,142.45	RFQ
O	1XL-8-150210	Bronze	1/2"	-	Temperature & Pressure Relief Valve	-	-	-	-	€54.45
P	1XL-150210 1/2	Bronze	1/2"	-	Temperature & Pressure Relief Valve	-	-	-	-	€51.43
Q	1L-2-150210	Bronze	1/2"	Male Threaded	Temperature and Pressure Relief Valve	-	1L	1/2"	Female Threaded	€54.08
R	240X6-125-210-1"	Bronze	1"	MNPT	Temperature and Pressure Relief Valve	210 Degrees F	-	1"	FNPT	€1,163.10
S	LF1X-L8 150-210 1/2	Lead Free Copper Silicon Alloy	1/2"	Male Threaded	Temperature and Pressure Relief Valve	210 Degree F	LF1L	1/2"	Female Threaded	€71.48
T	100DT	PVC	-	-	Temperature and Pressure Relief Valve	-	100DT	-	-	€13.13

WATTS -

LF100XL Series Temperature and Pressure Relief Valves

Style	Model	Body Material	Max. Temp.	Max. Working Pressure	Mfr. Series	Relief Pressure	Relief Temperature	Shank Length	Price (ex. VAT)
A	LFSL100XL-150/210 3/4	Bronze	210 Degree F	-	LFSL100XL	150 Psi	-	1 1/4"	€80.16
B	LF100XL-8 100-210 3/4	Lead Free Copper Alloy	-	-	LF100XL	100 Psi	-	1 3/16"	€81.69
B	LF100XL-8 175-210 3/4	Lead Free Copper Alloy	-	-	LF100XL	175 Psi	-	1 3/16"	€77.91
C	LF100XL4-Z11 150-180	Lead Free Copper Alloy	-	150 psi	LF100XL	150 Psi	180° F	1 3/16"	€75.64
C	LF100XL-150210	Lead Free Copper Silicon Alloy	210° F	113 psi	LF100XL	150 Psi	210° F	1 1/8"	€32.09
D	LF100XL 175-210 3/4	Lead Free Copper Silicon Alloy	210 Degree F	-	LF100XL	175 Psi	-	1 1/8"	€38.40
D	LF100XL 125-210 3/4	Lead Free Copper Silicon Alloy	210 Degree F	-	LF100XL	125 psi	-	1 1/8"	€42.75
D	LF100XL 100-210 3/4	Lead Free Copper Silicon Alloy	210 Degree F	-	LF100XL	100 Psi	-	1 1/8"	€74.87
E	LF100XL-Z11 100-180	Lead Free Copper Silicon Alloy	210° F	75 PSI	LF100XL	100 Psi	210° F	1 1/8"	€75.64
B	LF100XL-8 125-210 3/4	Lead Free Copper Silicon Alloy	210 Degree F	-	LF100XL	125 psi	-	1 1/8"	€77.91

WATTS -

LF100XL Temperature and Pressure Relief Valves

Style	Model	Body Material	Relief Pressure	Price (ex. VAT)
A	LFL100XL 100-210	Lead Free Brass	100 Psi	€77.13
A	LFL100XL3-150210	Lead Free Copper Silicon Alloy	150 Psi	€50.27

WATTS -

LF174A Series Water Pressure Relief Valves

Style	Model	Relief Pressure	Price (ex. VAT)
A	LF174A-90 2	90 Psi	€2,713.64	RFQ
A	LF174A-95 2	95 Psi	€2,713.64	RFQ

WATTS -

LF174A Series Water Boiler Pressure Relief Valves

Style	Model	Body Height	Body Width	BtuH	Factory Set Pressure	Inlet Size	Inlet Type	Max. Temp.	Outlet Size	Price (ex. VAT)
A	LF174A-135 2	-	-	-	-	2"	Female Threaded	250 Degree F	2"	€2,713.64	RFQ
A	LF174A-110 2	-	-	-	-	2"	Female Threaded	250 Degree F	2"	€2,533.63	RFQ
A	LF174A-130 2	-	-	-	-	2"	Female Threaded	250 Degree F	2"	€2,713.64	RFQ
A	LF174A-120 2	-	-	-	-	2"	Female Threaded	250 Degree F	2"	€2,713.64	RFQ
A	LF174A-140 2	-	-	-	-	2"	Female Threaded	250 Degree F	2"	€2,713.64	RFQ
A	LF174A-100 2	-	-	-	-	2"	Female Threaded	250 Degree F	2"	€4,040.54	RFQ
B	LF174A-75-1"	5.75"	3"	2,055,000	75 psi	1"	Female Threaded	250 Degree F	1"	€498.29
B	LF174A-100-1"	5.75"	3"	2,635,000	100 psi	1"	Female Threaded	250 Degree F	1"	€499.08
B	LF174A-125-1"	5.75"	3"	3,215,000	125 psi	1"	Female Threaded	250 Degree F	1"	€490.06
B	LF174A-75-3/4"	5.125"	2.5"	1,320,000	75 psi	3/4"	FNPT	250 Degrees F	3/4"	€200.37
B	LF174A-150-3/4"	5.125"	2.5"	2,445,000	150 psi	3/4"	Female Threaded	250 Degree F	3/4"	€215.66
B	LF174A-100-3/4"	5.125"	2.5"	1,695,000	100 psi	3/4"	Female Threaded	250 Degree F	3/4"	€200.17
B	LF174A-125-3/4"	5.125"	2.5"	2,070,000	125 psi	3/4"	Female Threaded	250 Degree F	3/4"	€197.97
B	LF174A-150-1-1/4"	8.375"	4.75"	6,340,000	150 psi	1-1/4"	Female Threaded	250 Degree F	1-1/4"	€778.45
B	LF174A-100-1-1/4"	8.375"	4.75"	4,399,000	100 psi	1-1/4"	Female Threaded	250 Degree F	1-1/4"	€718.45
B	LF174A-75-1-1/4"	8.375"	4.75"	3,429,000	75 psi	1-1/4"	Female Threaded	250 Degree F	1-1/4"	€818.13
C	LF174A-125-1-1/4"	8.375"	4.75"	5,370,000	125 psi	1-1/4"	Female Threaded	250 Degree F	1-1/4"	€798.28
B	LF174A-150-1-1/2"	9"	4.875"	7,630,000	150 psi	1-1/2"	Female Threaded	250 Degree F	1-1/2"	€1,129.92
B	LF174A-125-2"	11.625"	6.25"	1,217,000	125 psi	2"	Female Threaded	250 Degree F	2"	€1,597.60

WATTS -

3L Series Poppet Type Pressure Relief Valves

Style	Model	Body Material	Relief Pressure	Price (ex. VAT)
A	3L-125 3/4	Brass	75 Psi	€113.82
A	3L-100 3/4	Bronze	100 Psi	€124.79
A	3L-75-Z9 3/4	Bronze	75 Psi	€129.34
A	3L-150-Z9 3/4	Bronze	150 Psi	€122.91
A	3L-125-Z9 3/4	Bronze	125 psi	€134.24
A	3L-150 3/4	Bronze	150 Psi	€104.35
A	3L-95 3/4	Bronze	95 Psi	€113.82
B	3L-075 3/4	Bronze	75 Psi	€113.82

WATTS -

LFN240 Series Automatic Re Seating Temperature And Pressure Relief Valves

Style	Model	Body Material	Discharge Capacity	Inlet Connection	Inlet Size	Inlet Thread Type	Inlet Type	Max. Temp.	Outlet Size	Price (ex. VAT)
A	LFN240X 100-210 1	Lead Free Brass	2817000 btuh	Female Threaded	1"	FPT	Female Threaded	210° F	1"	€1,789.44
A	LFN240X-9 100-210 1	Lead Free Brass	2817000 btuh	Female Threaded	1"	FPT	Female Threaded	210° F	1"	€2,010.27
A	LFN240X 110-210 1	Lead Free Brass	-	Female Threaded	1"	FPT	Female Threaded	210° F	1"	€1,721.35
A	LFN240X-9 125-210 1	Lead Free Brass	3438000 btuh	Female Threaded	1"	FPT	Female Threaded	210° F	1"	€2,051.12
B	LFN241X 100-210 1 1/4	Lead Free Brass	2817000 btuh	Male Threaded	1 1/4"	NPT	Male Threaded	210° F	1-1/4"	€1,955.81
B	LFN241X-8 125-210 1 1/4	Lead Free Brass	3438000 btuh	Male Threaded	1 1/4"	NPT	Male Threaded	210° F	1-1/4"	€2,274.95
B	LFN241X-8 75-210 1 1/4	Lead Free Brass	2195000 btuh	Male Threaded	1 1/4"	NPT	Male Threaded	210° F	1-1/4"	€2,235.63
C	LFN240X-150-210-1"	Lead Free Bronze	-	-	1"	-	Female Threaded	210 Degree F	1"	€1,355.99
B	LFN241X 125-210 1 1/4	Lead Free Bronze	3438000 btuh	Male Threaded	1 1/4"	NPT	Male Threaded	210° F	1-1/4"	€1,993.63
C	LFN240X9-150-210-1"	Lead Free Copper Silicon Alloy	-	-	1"	-	Female Threaded	210 Degree F	1"	€1,558.90
D	LFN241X5-150-210-1-1/4"	Lead Free Copper Silicon Alloy	-	-	1.25"	-	MNPT	210 Degrees F	1.25"	€1,549.91
E	LFN241X8-150-210-11/4"	Lead Free Copper Silicon Alloy	-	-	1-1/4"	-	Male Threaded	210 Degree F	1-1/4"	€1,887.68
B	LFN241X 150-210 1 1/4	Lead Free Copper Silicon Alloy	4059000 btuh At 150 psi	Male Threaded	1 1/4"	NPT	Male Threaded	210° F	1-1/4"	€2,893.47

WATTS -

40L Series Automatic Re Seating Temperature and Pressure Relief Valves

Style	Model	Body Height	Body Width	BtuH	Discharge Capacity	Factory Set Pressure	Inlet Size	Max. Temp.	Outlet Size	Price (ex. VAT)
A	40XL-7-100210 1	-	-	-	1481000 btuh	-	1"	210° F	1"	€677.69
B	40L-150210 1	-	-	-	2135000 btuh	-	1"	210° F	1"	€661.77
A	40XL-150210 1	-	-	-	2135000 btuh	-	1"	210° F	1"	€338.91
C	40XL-8-150210 3/4	-	-	-	-	-	3/4"	210 Degree F	3/4"	€392.10
C	40XL-8-100210 3/4	-	-	-	-	-	3/4"	210 Degree F	3/4"	€301.78
C	40XL-8-085210 3/4	-	-	-	-	-	3/4"	210 Degree F	3/4"	€571.77
C	40XL-8-125210 3/4	-	-	-	-	-	3/4"	210 Degree F	3/4"	€521.09
C	40XL-Z2-150210 3/4	-	-	-	-	-	3/4"	-	3/4"	€566.56
C	40XL-8-075210 3/4	-	-	-	-	-	3/4"	210 Degree F	3/4"	€521.09
C	40XL-125210 3/4	-	-	-	-	-	3/4"	210 Degree F	3/4"	€443.96
C	40XL-075210 3/4	-	-	-	-	-	3/4"	210 Degree F	3/4"	€476.50
B	40L-100210 1	-	-	-	1481000 btuh	-	1"	210° F	1"	€708.66
A	40XL-7-125210 1	-	-	-	1808000 btuh	-	1"	210° F	1"	€698.84
A	40XL-100210 1	-	-	-	1481000 btuh	-	1"	210° F	1"	€714.69
A	40XL-075210 1	-	-	-	1155000 btuh	-	1"	210° F	1"	€751.76
A	40XL-7-150210 1	-	-	-	2135000 btuh	-	1"	210° F	1"	€604.68
A	40XL-7-75210 1	-	-	-	1155000 btuh	-	1"	210° F	1"	€788.08
B	40L-075210 1	-	-	-	1155000 btuh	-	1"	210° F	1"	€788.66
D	40L-075210 3/4	-	-	-	-	-	3/4"	210 Degree F	3/4"	€441.71
E	40XL-150-210-3/4"	5.625"	2.625"	1,437,600	-	150 psi	3/4"	210 Degree F	3/4"	€315.72
F	40XL-125-210-1"	6.25"	2.75"	1,808,000	-	125 psi	1"	210 Degree F	1"	€548.65

WATTS -

100XL Series Temperature and Pressure Relief Valves

Style	Model	Max. Temp.	Max. Working Pressure	Relief Pressure	Shank Length	Thermostat Probe Length	Price (ex. VAT)
A	100XL-100180-Z11	180° F	113 psi	150 Psi	1 1/8"	3"	€54.45
B	100XL4Z11 150180 3/4	180 Degree F	-	150 Psi	1 1/8"	-	€54.45
C	100XL-125210	210° F	125 psi	125 psi	1.1875"	4"	€32.91
D	100XL-8-125210	210° F	125 psi	125 psi	1 1/8"	8"	€57.72
C	100XL-075210	210° F	75 PSI	75 Psi	1 1/8"	3"	€36.69
A	100XL-090210	210° F	90 psi	90 Psi	1 1/8"	3"	€63.54
C	100XL-BP-150210	210° F	150 psi	150 Psi	1 1/8"	3"	€37.44
D	100XL-8-175210	210° F	175 PSI	175 Psi	1 1/8"	8"	€69.95
C	100XL-175-210	210° F	175 PSI	175 Psi	1 1/8"	3"	€29.83
C	DP100XL-TT-150210	210° F	150 psi	150 Psi	1 1/8"	3"	€147.49
D	100XL-8-100210	210° F	100 PSI	100 Psi	1 1/8"	8"	€66.76
E	L100XL-100210 3/4	210 Degree F	-	100 Psi	-	-	€62.39
E	L100XLM7-3-125210 3/4	210 Degree F	-	125 psi	2 1/8"	-	€62.39
F	LLL100XL-2M7-150210 3/4	210 Degree F	-	150 Psi	-	-	€47.28
G	100XL-8-150210 3/4	210 Degree F	-	150 Psi	1.1875"	-	€35.91
B	100XL-100210 3/4	210 Degree F	-	100 Psi	1 1/8"	-	€51.43
B	100XL-150 3/4	210 Degree F	-	150 Psi	1 1/8"	-	€24.95
B	100XL-B-150210 3/4	210 Degree F	-	150 Psi	1 1/8"	-	€43.53

WATTS -

LF1L Series Temperature and Pressure Relief Valves

Style	Model	Relief Pressure	Price (ex. VAT)
A	LF1L-2 125-210 1/2	125 psi	€77.91
A	LF1L-2 150-210 1/2	150 Psi	€70.70

WATTS -

LF40XL Series Automatic Re Seating Temperature and Pressure Relief Valves

Style	Model	Body Material	Discharge Capacity	Inlet Size	Max. Temp.	Outlet Size	Relief Pressure	Price (ex. VAT)
A	LF40XL-Z2 150-210 3/4	-	-	3/4"	-	3/4"	150 Psi	€536.24
A	LF40XL 100-210 3/4	Lead Free Brass	-	3/4"	210 Degree F	3/4"	100 Psi	€595.98
A	LF40XL-8 100-210 3/4	Lead Free Brass	-	3/4"	210 Degree F	3/4"	100 Psi	€397.06
A	LF40XL 75-210 3/4	Lead Free Brass	-	3/4"	210 Degree F	3/4"	75 Psi	€627.73
B	LF40XL 75-210 1	Lead Free Brass	778000 btuh	1"	210° F	1"	75 Psi	€988.49
A	LF40XL-8-125-210 3/4	Lead Free Brass	-	3/4"	210 Degree F	3/4"	125 psi	€636.80
B	LF40XL7 125-210 1	Lead Free Brass	1808000 btuh	1"	210° F	1"	125 psi	€918.93
B	LF40XL7 75-210 1	Lead Free Brass	1155000 btuh	1"	210° F	1"	75 Psi	€950.44
A	LF40XL-8 150210 3/4	Lead Free Bronze	-	3/4"	210 Degree F	3/4"	150 Psi	€643.17
B	LF40XL7 150-210 1	Lead Free Bronze	2134000 btuh	1"	210° F	1"	150 Psi	€778.49

WATTS -

LFLL40XL Extended Inlet Shank Temperature and Pressure Relief Valves

Style	Model	Inlet Size	Outlet Size	Relief Pressure	Shank Length	Price (ex. VAT)
A	LFLL40XL-M15 150-210 1	1"	1"	150 Psi	1 25/32"	€2,051.80
B	LFLL40XL-M15 150-210 3/4	3/4"	3/4"	150 Psi	1 21/32"	€713.20
C	LFLLL40XL-M15 150210 3/4	3/4"	3/4"	150 Psi	1 25/32"	€747.98
B	LFLL40XL 75-210 3/4	3/4"	3/4"	75 Psi	1 21/32"	€841.76

WATTS -

LF53 Series Pressure Relief Valves

Style	Model	Inlet Size	Outlet Size	Relief Pressure	Price (ex. VAT)
A	LF53-75 1/2	1/2"	1/2"	75 Psi	€147.49
B	LF53-100 1/2	1/2"	1/2"	100 Psi	€155.80
B	LF53-125 1/2	1/2"	1/2"	125 psi	€142.92
C	LF53-125 3/4	3/4"	3/4"	125 psi	€162.60
C	LF53-75 3/4	3/4"	3/4"	75 Psi	€153.55
D	LF53-100 3/4	3/4"	3/4"	100 Psi	€173.54

WATTS -

LF53L Series Poppet Type Pressure Relief Valves

Style	Model	Body Material	Max. Working Pressure	Pressure Range	Relief Pressure	Price (ex. VAT)
A	LF53L-Z2-30 1/2	Brass	-	75 to 125 Psi	30 Psi	€149.76
A	LF53L-125 1/2	Lead Free Copper Silicon Alloy	94 psi	75 to 150 psi	125 psi	€139.18
A	LF53L-175 1/2	Lead Free Copper Silicon Alloy	-	75 to 150 psi	175 Psi	€139.18
A	LF53L-75 1/2	Lead Free Copper Silicon Alloy	-	75 to 150 psi	75 Psi	€139.18
A	LF53L-100 1/2	Lead Free Copper Silicon Alloy	-	75 to 150 psi	100 Psi	€139.18
A	LF53L-150 1/2	Lead Free Copper Silicon Alloy	113 psi	75 to 150 psi	150 Psi	€139.18

WATTS -

LF40L Series Automatic Re Seating Temperature and Pressure Relief Valves

Style	Model	Body Material	Discharge Capacity	Inlet Size	Max. Temp.	Outlet Size	Relief Pressure	Price (ex. VAT)
A	LF40L 150-210 3/4	Lead Free Brass	-	3/4"	210 Degree F	3/4"	150 Psi	€541.51
B	LF40L 100-210 1	Lead Free Brass	998000 btuh	1"	210° F	1"	100 Psi	€931.00
B	LF40L 125-210 1	Lead Free Brass	1218000 btuh	1"	210° F	1"	125 psi	€931.00
B	LF40L 150-210 1	Lead Free Bronze	2134000 btuh	1"	210° F	1"	150 Psi	€982.22

12 3

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WATTS Temperature And Pressure Relief Valves

ASME and ANSI approved relief valves to protect water heaters and hot-water storage tanks from high temperature (max. 250 degrees F) and pressure (max. 150 psi) levels. Available in bronze, lead-free brass & lead-free copper silicon alloy material

LL40 Extended Inlet Shank Temperature and Pressure Relief Valve

LF10L Series Temperature and Pressure Relief Valves

LF140 Series Automatic Re Seating Temperature and Pressure Relief Valves

174A Series Water Boiler Pressure Relief Valves

53 Series Pressure Relief Valves

740 Series Water Boiler Relief Valves

Temperature and Pressure Relief Valves

LF100XL Series Temperature and Pressure Relief Valves

LF100XL Temperature and Pressure Relief Valves

LF174A Series Water Pressure Relief Valves

LF174A Series Water Boiler Pressure Relief Valves

3L Series Poppet Type Pressure Relief Valves

LFN240 Series Automatic Re Seating Temperature And Pressure Relief Valves

40L Series Automatic Re Seating Temperature and Pressure Relief Valves

100XL Series Temperature and Pressure Relief Valves

LF1L Series Temperature and Pressure Relief Valves

LF40XL Series Automatic Re Seating Temperature and Pressure Relief Valves

LFLL40XL Extended Inlet Shank Temperature and Pressure Relief Valves

LF53 Series Pressure Relief Valves

LF53L Series Poppet Type Pressure Relief Valves

LF40L Series Automatic Re Seating Temperature and Pressure Relief Valves

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WATTS Temperature And Pressure Relief Valves ASME and ANSI approved relief valves to protect water heaters and hot-water storage tanks from high temperature (max. 250 degrees F) and pressure (max. 150 psi) levels. Available in bronze, lead-free brass & lead-free copper silicon alloy material

We are here to help!

Looking for a part not listed here?

Explore More

WATTS Temperature And Pressure Relief Valves

ASME and ANSI approved relief valves to protect water heaters and hot-water storage tanks from high temperature (max. 250 degrees F) and pressure (max. 150 psi) levels. Available in bronze, lead-free brass & lead-free copper silicon alloy material