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 -

LF1XL Series Temperature and Pressure Relief Valves

StyleModelMax. Temp.Relief PressurePrice (inc. VAT)
ALF1XL 100 1/2210° F100 Psi£70.46
BLF1XL 75-210 1/2210° F75 Psi£77.93
ALF1XL 150-210 1/2210° F150 Psi£70.46
ALF1XL-BP-TT-150210210° F150 Psi£69.26
CLF1XL-8 150-210 1/2210 Degree F150 Psi£74.40
WATTS -

1XL Series Temperature and Pressure Relief Valves

StyleModelItemThermostat Probe LengthPrice (inc. VAT)
A1XL-150210 1/2Temperature & Pressure Relief Valve4"£89.62
B1XL-8-150210Temperature & Pressure Relief Valve8"£56.67
A1XL 75-210 1/2Temperature and Pressure Relief Valve4"£59.83
WATTS -

Boiler Pressure Relief Valves

StyleModelPrice (inc. VAT)
A474A-M2-125£169.32
BLF474AM2-125£153.90
CM375M1-075 3/4£221.36
WATTS -

93 Series Angle Connector Gas Shutoff Valves

StyleModelInlet SizePrice (inc. VAT)
A93-20321/2"£17.77
RFQ
B93-10323/8"£14.46
RFQ
C93-30425/8"£24.70
RFQ
StyleModelPrice (inc. VAT)
AN240X-075/210 1£1,252.23
AN240X9 75-210 1£1,408.46
WATTS -

LF3L Series Pressure Relief Only Valves

StyleModelBody MaterialRelief PressurePrice (inc. VAT)
ALF3L-150 3/4--£172.90
BLF3L-075 3/4--£192.27
CLF3L-175-Z2 3/4Lead Free Copper Alloy175 Psi£138.13
CLF3L-75-Z9 3/4Lead Free Copper Alloy75 Psi£172.38
CLF3L-150-Z9 3/4Lead Free Copper Silicon Alloy150 Psi£164.53
CLF3L-100 3/4Lead Free Copper Silicon Alloy100 Psi£151.14
WATTS -

LF40L Series Temperature and Pressure Relief Valves

StyleModelBody MaterialDischarge CapacityInlet SizeMax. Temp.Outlet SizeRelief PressurePrice (inc. VAT)
ALF40L 125-210 1Lead Free Brass1218000 btuh1"210° F1"125 psi£969.00
BLF40XL 100-210 3/4Lead Free Brass-3/4"210 Degree F3/4"100 Psi£620.30
CLF40L 150-210 3/4Lead Free Brass-3/4"210 Degree F3/4"150 Psi£563.61
BLF40XL-8 100-210 3/4Lead Free Brass-3/4"210 Degree F3/4"100 Psi£413.26
DLF40XL7 75-210 1Lead Free Brass1155000 btuh1"210° F1"75 Psi£989.24
BLF40XL-8 150210 3/4Lead Free Bronze-3/4"210 Degree F3/4"150 Psi£613.48
WATTS -

LL40XL Series Temperature and Pressure Relief Valves

StyleModelDischarge CapacityInlet SizeMax. Temp.Mfr. SeriesOutlet SizeRelief PressurePrice (inc. VAT)
ALL40XLM15-150210 3/4-3/4"210 Degree FLL40XL3/4"150 Psi£565.98
ALL40XL-75210 3/4-3/4"210 Degree FLL40XL3/4"75 Psi£622.67
ALLL40XLM15-125210 3/4-3/4"210 Degree F40L3/4"125 psi£744.48
ALLL40XLM15-150210 3/4-3/4"210 Degree F40L3/4"150 Psi£591.95
BLL40XLM15-125210 11808000 btuh1"210° FLL40XL1"125 psi£1,101.25
BLL40XLM15-150210 12134000 btuh1"210° FLL40XL1"150 Psi£1,028.83
WATTS -

40L Series Temperature and Pressure Relief Valves

StyleModelDischarge CapacityInlet SizeMax. Temp.Outlet SizeRelief PressureThermostat Probe LengthPrice (inc. VAT)
A40L-075210 3/4-3/4"210 Degree F3/4"75 Psi-£459.73
B40XL-7-100210 11481000 btuh1"210° F1"100 Psi8"£705.35
C40L-100210 11481000 btuh1"210° F1"100 Psi3"£737.58
B40XL-7-125210 11808000 btuh1"210° F1"125 psi8"£727.36
B40XL-7-150210 12135000 btuh1"210° F1"150 Psi8"£629.36
C40L-150210 12135000 btuh1"210° F1"150 Psi3"£688.79
StyleModelRelief PressurePrice (inc. VAT)
A140S3-100210 3/4100 Psi£495.94
A140S3-125210 3/4125 psi£462.08
A140S3-150210 3/4150 Psi£462.08
WATTS -

LF340 Series Temperature and Pressure Relief Valves

StyleModelItemPrice (inc. VAT)
ALF340 150-210 1 1/2Pressure Relief Valve£5,155.62
RFQ
BLF340X-8 150-210 1 1/2Pressure Relief Valve£5,441.68
RFQ
CLF340 125-210 1 1/2Temperature and Pressure Relief Valve£5,288.24
StyleModelRelief PressurePrice (inc. VAT)
ALFN240X-9 100-210 1100 Psi£2,092.33
ALFN240X 110-210 1110 Psi£1,791.61
WATTS -

53L Series Pressure Only Relief Valves

StyleModelMax. Working PressureRelief PressurePrice (inc. VAT)
A53L-Z2-030 1/2-30 Psi£113.75
A53L-075 1/2-75 Psi£113.75
A53L-175 1/2-175 Psi£113.75
B53L-150 1/2--£142.78
A53L-100 1/275 PSI100 Psi£113.75
C53L-FP-175 1/2131 psi175 Psi£111.00
WATTS -

530C Series Pressure Relief Valves

StyleModelInlet SizeOutlet SizePrice (inc. VAT)
A530C-STD 3/4--£130.32
B530FP1/2"1/2"£115.32
B530C-STD 1/21/2"1/2"£115.32
B530C-100-3003/4"3/4"£142.88
WATTS -

LFN240 Series Automatic Re Seating Temperature And Pressure Relief Valves

StyleModelBody MaterialDischarge CapacityInlet ConnectionInlet SizeInlet Thread TypeInlet TypeOutlet SizeRelief PressurePrice (inc. VAT)
ALFN240X 100-210 1Lead Free Brass2817000 btuhFemale Threaded1"FPTFemale Threaded1"100 Psi£1,862.48
ALFN240X-9 125-210 1Lead Free Brass3438000 btuhFemale Threaded1"FPTFemale Threaded1"125 psi£2,134.84
BLFN241X 100-210 1 1/4Lead Free Brass2817000 btuhMale Threaded1 1/4"NPTMale Threaded1-1/4"100 Psi£2,035.63
BLFN241X-8 125-210 1 1/4Lead Free Brass3438000 btuhMale Threaded1 1/4"NPTMale Threaded1-1/4"125 psi£2,367.81
BLFN241X-8 75-210 1 1/4Lead Free Brass2195000 btuhMale Threaded1 1/4"NPTMale Threaded1-1/4"75 Psi£2,326.89
BLFN241X 125-210 1 1/4Lead Free Bronze3438000 btuhMale Threaded1 1/4"NPTMale Threaded1-1/4"125 psi£2,075.01
BLFN241X 150-210 1 1/4Lead Free Copper Silicon Alloy4059000 btuh At 150 psiMale Threaded1 1/4"NPTMale Threaded1-1/4"150 Psi£2,889.48
WATTS -

100XL Series Temperature and Pressure Relief Valves

StyleModelBody MaterialBody WidthBtuhFactory Set PressureInlet TypeItemMax. Temp.Max. Working PressurePrice (inc. VAT)
A100XL-BP-150210Brass---Male ThreadedTemperature and Pressure Relief Valve210° F150 psi£38.96
BL100XLM7-3-125210 3/4Brass---Male ThreadedTemperature and Pressure Relief Valve210 Degree F-£64.93
C100XL-8-175210Brass---Male ThreadedTemperature and Pressure Relief Valve210° F175 PSI£72.81
A100XL-175-210Brass---Male ThreadedTemperature and Pressure Relief Valve210° F175 PSI£39.63
ADP100XL-TT-150210Brass---Male ThreadedTemperature and Pressure Relief Valve210° F150 psi£153.51
C100XL-8-125210Brass---Male ThreadedTemperature and Pressure Relief Valve210° F125 psi£60.08
D100XL-100210 3/4Brass---Male ThreadedTemperature and Pressure Relief Valve210 Degree F-£53.53
E100XL-090210Brass---Male ThreadedTemperature and Pressure Relief Valve210° F90 psi£66.14
FLLL100XL-2M7-150210 3/4Brass---Male ThreadedTemperature and Pressure Relief Valve210 Degree F-£49.20
D100XL-150 3/4Brass---Male ThreadedTemperature and Pressure Relief Valve210 Degree F-£25.97
E100XL-100180-Z11Brass---Male ThreadedTemperature and Pressure Relief Valve180° F113 psi£56.67
A100XL-075210Brass---Male ThreadedTemperature and Pressure Relief Valve210° F75 PSI£53.21
BL100XL-100210 3/4Brass---Male ThreadedTemperature and Pressure Relief Valve210 Degree F-£64.93
D100XL-B-150210 3/4Brass---Male ThreadedTemperature and Pressure Relief Valve210 Degree F-£45.31
G100XL-8-150210 3/4Brass---Male ThreadedTemperature and Pressure Relief Valve210 Degree F-£37.37
D100XL4Z11 150180 3/4Brass---Male ThreadedTemperature and Pressure Relief Valve180 Degree F-£56.67
A100XL-125210Brass---Male ThreadedTemperature and Pressure Relief Valve210° F125 psi£34.25
C100XL-8-100210Brass---Male ThreadedTemperature and Pressure Relief Valve210° F100 PSI£69.48
H3/4 100XL 125Bronze1.75"105,000125 psiMNPTTemperature & Pressure Relief Valve210 Degrees F-£31.03
H100XL-4Bronze1.875"100,000150 psiMNPTTemperature & Pressure Relief Valve210 Degrees F-£22.21
WATTS -

Temperature and Pressure Relief Valves

StyleModelBody MaterialItemMfr. SeriesPrice (inc. VAT)
A3/4 40XL8 150210-Pressure Relief Valve--
RFQ
B1L-2-150210BronzeTemperature and Pressure Relief Valve1L£56.28
C100DTPVCTemperature and Pressure Relief Valve100DT£13.67
WATTS -

Pressure Relief Valves

StyleModelBody MaterialDischarge CapacityInlet ConnectionInlet SizeInlet TypeMax. Temp.Mfr. SeriesOutlet SizePrice (inc. VAT)
A0121484--------£365.53
RFQ
BLF174A-125 1 1/2--------£2,582.40
RFQ
C740-040 2--------£2,307.25
RFQ
DLF174A-125 3/4--------£345.18
RFQ
ELF174A-75 3/4--------£381.40
RFQ
FLF174A-150 1--------£934.25
RFQ
G740-030 1--------£381.05
RFQ
H740-060 1 1/2---------
RFQ
I174A-030 1 1/2--------£1,140.85
RFQ
J740-045 1 1/4--------£1,287.00
RFQ
KLF174A-100 1 1/4--------£1,386.72
RFQ
L740-060 1 1/4--------£1,080.24
RFQ
MLF174A-80 1 1/4--------£1,931.61
RFQ
NLF140X9 150-210 1--------£1,829.76
RFQ
O740-045 2--------£2,361.13
RFQ
P0382392--------£367.47
RFQ
QLF174A-100 3/4--------£328.35
RFQ
RLF174A-75 1 1/4--------£2,011.51
RFQ
S174A-030 1 1/4--------£899.74
RFQ
T740-045 1 1/2--------£1,707.45
RFQ
ULF174A-125 1 1/4--------£1,354.71
RFQ
VLF140S3 150-210 1--------£1,159.60
RFQ
WLF174A-75 1--------£1,120.27
RFQ
X740-040 1 1/2--------£1,536.66
RFQ
Y0121544--------£2,712.08
RFQ
WATTS -

LFLL40XL Extended Inlet Shank Temperature and Pressure Relief Valves

StyleModelInlet SizeOutlet SizeRelief PressureShank LengthPrice (inc. VAT)
ALFLL40XL-M15 150-210 11"1"150 Psi1 25/32"£1,970.32
BLFLL40XL 75-210 3/43/4"3/4"75 Psi1 21/32"£876.12
BLFLL40XL-M15 150-210 3/43/4"3/4"150 Psi1 21/32"£742.32
CLFLLL40XL-M15 150210 3/43/4"3/4"150 Psi1 25/32"£778.50
WATTS -

174A Series Water Boiler Pressure Relief Valves

StyleModelDischarge CapacityInlet SizeMax. Temp.Max. Working PressureOutlet SizeRelief PressurePrice (inc. VAT)
A174A-130 3/4-3/4"250 Degree F-3/4"130 Psi£393.05
A174A-145 1-1"250 Degree F-1"145 Psi£833.26
A174A-115 3/4-3/4"250 Degree F-3/4"115 Psi£393.05
A174A-060 3/4-3/4"250 Degree F-3/4"60 Psi£310.94
A174A-140 1-1"250 Degree F-1"140 Psi£833.26
A174A-045 3/4-3/4"250 Degree F-3/4"45 Psi£381.14
A174A-095 3/4-3/4"250 Degree F-3/4"95 Psi£319.24
A174A-030 3/4-3/4"250 Degree F-3/4"30 Psi£201.31
A174A-115 1 1/4-1-1/4"250 Degree F-1-1/4"115 Psi£1,068.19
B174A-35 1 1/22250000 btuh At 35 psi1 1/2"250° F25 psi1-1/2"35 Psi£1,546.03
B174A-036 1 1/22310000 btuh At 36 psi1 1/2"250° F26 psi1-1/2"36 Psi£1,546.03
B174A-050 1 1/42459000 btuh1 1/4"250° F38 psi1-1/4"50 Psi£1,043.79
B174A-0402490000 btuh At 40 psi1 1/2"250° F30 psi1-1/2"40 Psi£1,546.03
B174A-045 1 1/22720000 btuh At 45 psi1 1/2"250° F35 PSI1-1/2"45 Psi£1,546.03
B174A-050 1 1/22950000 btuh At 50 psi1 1/2"250° F38 psi1-1/2"50 Psi£1,546.03
B174A-65 1 1/43041000 btuh At 65 psi1 1/4"250° F49 psi1-1/4"65 Psi£1,119.39
B174A-55 1 1/23190000 btuh At 55 psi1 1/2"250° F41 psi1-1/2"55 Psi£1,546.03
B174A-060 1 1/23425000 btuh At 60 psi1 1/2"250° F45 psi1-1/2"60 Psi£1,546.03
B174A-65 1 1/23660000 btuh At 65 psi1 1/2"250° F49 psi1-1/2"65 Psi£1,546.03
B174A-70 1 1/23890000 btuh At 70 psi1 1/2"250° F53 psi1-1/2"70 Psi£1,546.03
B174A-90 1 1/44011000 btuh At 90 psi1 1/4"250° F68 psi1-1/4"90 Psi£1,119.39
B174A-075 1 1/24125000 btuh At 75 psi1 1/2"250° F56 psi1-1/2"75 Psi£1,546.03
B174A-80 1 1/24360000 btuh At 80 psi1 1/2"250° F60 psi1-1/2"80 Psi£1,546.03
B174A-1004399000 btuh At 100 psi1 1/4"250° F75 PSI1-1/4"100 Psi£1,043.79
B174A-85 1 1/24590000 btuh At 85 psi1 1/2"250° F64 psi1-1/2"85 Psi£1,546.03
WATTS -

740 Series Water Boiler Relief Valves

StyleModelDischarge CapacityInlet SizeMax. Temp.Max. Working PressureOutlet SizeRelief PressurePrice (inc. VAT)
A740-040 3/4-3/4"250 Degree F-1"40 Psi£510.45
A740-050 3/4-3/4"250 Degree F-1"50 Psi£231.94
A740-075 3/4-3/4"250 Degree F-1"75 Psi£222.58
B740-030 1 1/42105000 btuh1 1/4"250° F20 psi1-1/2"30 Psi£873.28
B740-030 1 1/22900000 btuh1 1/2"250° F20 psi2"30 Psi£903.60
B740-050 1 1/43075000 btuh1 1/4"250° F38 psi1-1/2"50 Psi£856.05
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