WATTS Temperature And Pressure Relief Valves

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StyleModelBody MaterialMax. Temp.Inlet SizeOutlet SizeInlet TypeOutlet TypePressure RangeLeadPrice (inc. VAT)
AN240X-075/210 1Bronze210°F1"1"Female ThreadedFemale Threaded75 psi to 150 psiPresent£1,252.23
AN240X9 75-210 1Bronze210°F1"1"Female ThreadedFemale Threaded75 psi to 150 psiPresent£1,408.46
WATTS -

40L Series Temperature and Pressure Relief Valves

StyleModelDischarge CapacityInlet SizeOutlet SizeRelief Valve PressureThermostat Probe LengthBody MaterialMax. Temp.Max. Working PressurePrice (inc. VAT)
A40L-075210 3/4-3/4"3/4"75 psi-Bronze210°F-£459.73
B40L-100210 11481000 btuH1"1"100 psi3"Bronze210°F150 psi£737.58
C40XL-7-100210 11481000 btuH1"1"100 psi8"Bronze210°F150 psi£705.35
C40XL-7-125210 11808000 btuH1"1"125 psi8"Bronze210°F150 psi£727.36
C40XL-7-150210 12135000 btuH1"1"150 psi8"Bronze210°F150 psi£629.36
B40L-150210 12135000 btuH1"1"150 psi3"Bronze210°F150 psi£688.79
StyleModelRelief Valve PressureBody MaterialMax. Temp.Discharge CapacityInlet SizeOutlet SizeInlet TypeOutlet TypePrice (inc. VAT)
ALFN240X-9 100-210 1100 psiLead Free Brass210°F2817000 btuH1"1"Female ThreadedFemale Threaded£2,092.33
ALFN240X 110-210 1110 psiLead Free Brass210°F-1"1"Female ThreadedFemale Threaded£1,791.61
WATTS -

53 Series Pressure Only Relief Valves

StyleModelInlet SizeOutlet SizeRelief Valve PressureBody MaterialInlet TypeOutlet TypePressure RangeLeadPrice (inc. VAT)
A53-125 1/21/2"1/2"125 psiBronzeMale ThreadedFemale Threaded75 psi to 175 psiPresent£116.91
B53-035 1/21/2"1/2"35 psiBronzeMale ThreadedFemale Threaded75 psi to 175 psiPresent£120.03
B53-100 1/21/2"1/2"100 psiBronzeMale ThreadedFemale Threaded75 psi to 175 psiPresent£128.32
B53-075 1/21/2"1/2"75 psiBronzeMale ThreadedFemale Threaded75 psi to 175 psiPresent£120.03
C53-125 3/43/4"3/4"125 psiBronzeMale ThreadedFemale Threaded75 psi to 175 psiPresent£121.24
C53-075 3/43/4"3/4"75 psiBronzeMale ThreadedFemale Threaded75 psi to 175 psiPresent£125.15
WATTS -

LF53 Series Pressure Relief Valves

StyleModelInlet SizeOutlet SizeRelief Valve PressureBody MaterialInlet TypeOutlet TypePressure RangeLeadPrice (inc. VAT)
ALF53-75 1/21/2"1/2"75 psiBrassMale ThreadedFemale Threaded75 psi to 125 psiNot Present£153.51
BLF53-100 1/21/2"1/2"100 psiBrassMale ThreadedFemale Threaded75 psi to 125 psiNot Present£162.16
BLF53-125 1/21/2"1/2"125 psiBrassMale ThreadedFemale Threaded75 psi to 125 psiNot Present£148.76
CLF53-125 3/43/4"3/4"125 psiBrassMale ThreadedFemale Threaded75 psi to 125 psiNot Present£169.24
CLF53-75 3/43/4"3/4"75 psiBrassMale ThreadedFemale Threaded75 psi to 125 psiNot Present£159.81
DLF53-100 3/43/4"3/4"100 psiBrassMale ThreadedFemale Threaded75 psi to 125 psiNot Present£180.62
StyleModelBody MaterialMax. Working PressurePressure RangeRelief Valve PressureMax. Temp.Inlet SizeOutlet SizeInlet TypePrice (inc. VAT)
ALF53L-Z2-30 1/2Brass-75 psi to 125 psi30 psi-1/2"1/2"Male Threaded£155.88
ALF53L-100 1/2Copper Silicon Alloy-75 psi to 150 psi100 psi210°F1/2"1/2"Male Threaded£144.86
ALF53L-125 1/2Copper Silicon Alloy94 psi75 psi to 150 psi125 psi210°F1/2"1/2"Male Threaded£144.86
ALF53L-150 1/2Copper Silicon Alloy113 psi75 psi to 150 psi150 psi210°F1/2"1/2"Male Threaded£144.86
ALF53L-75 1/2Copper Silicon Alloy-75 psi to 150 psi75 psi210°F1/2"1/2"Male Threaded£144.86
ALF53L-175 1/2Copper Silicon Alloy-75 psi to 150 psi175 psi210°F1/2"1/2"Male Threaded£144.86
WATTS -

LF40L Series Temperature and Pressure Relief Valves

StyleModelBody MaterialDischarge CapacityInlet SizeOutlet SizeRelief Valve PressureMax. Temp.Inlet TypeOutlet TypePrice (inc. VAT)
ALF40XL 100-210 3/4Lead Free Brass-3/4"3/4"100 psi210°FMale ThreadedFemale Threaded£620.30
BLF40L 125-210 1Lead Free Brass1218000 btuH1"1"125 psi210°FMale ThreadedFemale Threaded£969.00
CLF40XL7 75-210 1Lead Free Brass1155000 btuH1"1"75 psi210°FMale ThreadedFemale Threaded£989.24
DLF40L 150-210 3/4Lead Free Brass-3/4"3/4"150 psi210°FMale ThreadedFemale Threaded£563.61
ALF40XL-8 100-210 3/4Lead Free Brass-3/4"3/4"100 psi210°FMale ThreadedFemale Threaded£413.26
ALF40XL-8 150210 3/4Lead Free Bronze-3/4"3/4"150 psi210°FMale ThreadedFemale Threaded£613.48
WATTS -

SL100XL Series Temperature and Pressure Relief Valves

StyleModelRelief Valve PressureBody MaterialMax. Temp.Inlet SizeOutlet SizeInlet TypeOutlet TypePressure RangePrice (inc. VAT)
A3/4 SL100XL 125/210 3/4125 psiBronze210°F3/4"3/4"Male ThreadedFemale Threaded75 psi to 150 psi£64.93
BSL100XL-Z5-150210 3/4150 psiBronze210°F3/4"3/4"Male ThreadedFemale Threaded75 psi to 150 psi£63.38
WATTS -

3L Series Pressure Relief Valves

StyleModelBody MaterialRelief Valve PressureMax. Temp.Inlet SizeOutlet SizeInlet TypeOutlet TypeLeadPrice (inc. VAT)
A3L-125 3/4Brass75 psi210°F3/4"3/4"Male ThreadedFemale ThreadedPresent£118.46
A3L-150-Z9 3/4Bronze150 psi210°F3/4"3/4"Male ThreadedFemale ThreadedPresent£127.93
A3L-95 3/4Bronze95 psi210°F3/4"3/4"Male ThreadedFemale ThreadedPresent£118.46
A3L-150 3/4Bronze150 psi210°F3/4"3/4"Male ThreadedFemale ThreadedPresent£108.61
A3L-100 3/4Bronze100 psi210°F3/4"3/4"Male ThreadedFemale ThreadedPresent£129.89
A3L-75-Z9 3/4Bronze75 psi210°F3/4"3/4"Male ThreadedFemale ThreadedPresent£134.62
A3L-125-Z9 3/4Bronze125 psi210°F3/4"3/4"Male ThreadedFemale ThreadedPresent£139.72
B3L-075 3/4Bronze75 psi210°F3/4"3/4"Male ThreadedFemale ThreadedPresent£118.46
WATTS -

53L Series Pressure Only Relief Valves

StyleModelMax. Working PressureOutlet TypeRelief Valve PressureBody MaterialMax. Temp.Factory Set PressureDischarge CapacityInlet SizePrice (inc. VAT)
A53L-175 1/2-Female Threaded175 psiBronze210°F--1/2"£113.75
B53L-150 1/2-NPT-Bronze-150 psi-1/2"£142.78
A53L-Z2-030 1/2-Female Threaded30 psiBronze---1/2"£113.75
A53L-075 1/2-Female Threaded75 psiBronze210°F--1/2"£113.75
A53L-100 1/275 psiFemale Threaded100 psiBronze210°F-15000 btuH1/2"£113.75
C53L-FP-175 1/2131 psiFemale Threaded175 psiBronze210°F--1/2"£111.00
WATTS -

1XL Series Temperature and Pressure Relief Valves

StyleModelThermostat Probe LengthBody MaterialInlet SizeInlet TypeOutlet TypePressure RangeInlet Thread TypeShank LengthPrice (inc. VAT)
A1XL-150210 1/24"Bronze1/2"Male ThreadedFemale Threaded75 psi to 150 psiNPT7/8"£89.62
A1XL 75-210 1/24"Bronze1/2"Male ThreadedFemale Threaded75 psi to 150 psiNPT7/8"£59.83
B1XL-8-1502108"Bronze1/2"Male ThreadedFemale Threaded75 psi to 150 psiNPT7/8"£56.67
WATTS -

LF140 Series Pressure Relief Valves

StyleModelBody MaterialDischarge CapacityInlet SizeOutlet SizeInlet TypeRelief Valve PressureInlet Thread TypeMax. Temp.Price (inc. VAT)
ALF140X8 125-210 3/4Lead Free Brass-3/4"3/4"Female Threaded125 psi-210°F£739.30
BLF140X6 150-210 3/4Lead Free Brass-3/4"3/4"Female Threaded150 psi-210°F£662.80
BLF140X6 125-210 3/4Lead Free Brass-3/4"3/4"Female Threaded125 psi-210°F£676.20
BLF140X8 150-210 3/4Lead Free Brass-3/4"3/4"Female Threaded150 psi-210°F£713.18
BLF1403S 125-210 3/4Lead Free Brass-3/4"3/4"Male Threaded125 psi-210°F£1,062.99
CLF140X6 125-210 1Lead Free Brass2610000 btuH1"1"Female Threaded125 psiFPT210°F£1,484.64
CLF140X6 150-210 1Lead Free Bronze3085000 btuH1"1"Female Threaded150 psiNPT210°F£1,404.54
WATTS -

335 Series Temperature and Pressure Relief Valves

StyleModelBody MaterialMax. Temp.Discharge CapacityInlet SizeOutlet SizeOutlet TypeRelief PressureLeadPrice (inc. VAT)
AM335M2-030 3/4--------£68.88
RFQ
B335M2-030 3/4--------£126.72
C354A-030Brass250°F490000 btuH3/4"3/4"Female Threaded30 psiPresent£81.87
WATTS -

LF40XL Series Automatic Re Seating Temperature and Pressure Relief Valves

StyleModelBody MaterialDischarge CapacityInlet SizeOutlet SizeRelief Valve PressureMax. Temp.Max. Working PressureInlet TypePrice (inc. VAT)
ALF40XL-Z2 150-210 3/4--3/4"3/4"150 psi--Male Threaded£558.12
ALF40XL 75-210 3/4Lead Free Brass-3/4"3/4"75 psi210°F-Male Threaded£653.35
BLF40XL7 125-210 1Lead Free Brass1808000 btuH1"1"125 psi210°F-Male Threaded£956.43
ALF40XL-8-125-210 3/4Lead Free Brass-3/4"3/4"125 psi210°F-Male Threaded£662.80
BLF40XL 75-210 1Lead Free Brass778000 btuH1"1"75 psi210°F-Male Threaded£1,028.83
BLF40XL7 150-210 1Lead Free Bronze2134000 btuH1"1"150 psi210°F113 psiMale Threaded£810.27
StyleModelPressure RangeRelief Valve PressureBody MaterialMax. Temp.Inlet SizeOutlet SizeInlet TypeOutlet TypePrice (inc. VAT)
ALF174A-100 230 psi to 150 psi100 psiCopper Silicon Alloy250°F2"2"Female ThreadedFemale Threaded£3,803.10
RFQ
ALF174A-110 250 psi to 150 psi110 psiCopper Silicon Alloy250°F2"2"Female ThreadedFemale Threaded£2,637.05
RFQ
ALF174A-120 250 psi to 150 psi120 psiCopper Silicon Alloy250°F2"2"Female ThreadedFemale Threaded£2,824.40
RFQ
ALF174A-130 250 psi to 150 psi130 psiCopper Silicon Alloy250°F2"2"Female ThreadedFemale Threaded£2,824.40
RFQ
ALF174A-135 250 psi to 150 psi135 psiCopper Silicon Alloy250°F2"2"Female ThreadedFemale Threaded£2,824.40
RFQ
ALF174A-140 250 psi to 150 psi140 psiCopper Silicon Alloy250°F2"2"Female ThreadedFemale Threaded£2,824.40
RFQ
WATTS -

Temperature and Pressure Relief Valves

StyleModelBody MaterialInlet SizeOutlet SizeInlet TypeOutlet TypePressure RangeLeadInlet Thread TypePrice (inc. VAT)
A3/4 40XL8 150210---------
RFQ
B1L-2-150210Bronze1/2"1/2"Male ThreadedFemale Threaded75 psi to 150 psiPresentNPT£56.28
C100DTPVC-------£13.67
StyleModelDischarge CapacityMax. Working PressureRelief Valve PressureBody MaterialMax. Temp.Inlet SizeOutlet SizeInlet TypePrice (inc. VAT)
A174A-Z3-T-0303815000 btuH-30 psiBronze250°F2"2"Female Threaded£2,030.92
RFQ
A174A-030 23815000 btuH20 psi30 psiBronze250°F2"2"Female Threaded£1,403.17
RFQ
A174A-35 24250000 btuH25 psi35 psiBronze250°F2"2"Female Threaded£2,232.43
RFQ
A174A-036 24344000 btuH26 psi36 psiBronze250°F2"2"Female Threaded£2,232.43
RFQ
A174A-040 24690000 btuH30 psi40 psiBronze250°F2"2"Female Threaded£2,232.43
RFQ
A174A-045 25130000 btuH35 psi45 psiBronze250°F2"2"Female Threaded£2,232.43
RFQ
A174A-050 25575000 btuH38 psi50 psiBronze250°F2"2"Female Threaded£2,086.02
RFQ
A174A-55 26010000 btuH41 psi55 psiBronze250°F2"2"Female Threaded£2,232.43
RFQ
A174A-060 26450000 btuH45 psi60 psiBronze250°F2"2"Female Threaded£2,232.43
RFQ
A174A-65 26890000 btuH49 psi65 psiBronze250°F2"2"Female Threaded£2,232.43
RFQ
A174A-70 27330000 btuH53 psi70 psiBronze250°F2"2"Female Threaded£2,232.43
RFQ
A174A-075 27770000 btuH56 psi75 psiBronze250°F2"2"Female Threaded£2,086.02
RFQ
A174A-80 28215000 btuH60 psi80 psiBronze250°F2"2"Female Threaded£2,232.43
RFQ
A174A-85 28650000 btuH64 psi85 psiBronze250°F2"2"Female Threaded£2,086.02
RFQ
A174A-88 28920000 btuH66 psi88 psiBronze250°F2"2"Female Threaded£2,232.43
RFQ
A174A-90 29090000 btuH68 psi90 psiBronze250°F2"2"Female Threaded£2,232.43
RFQ
A174A-95 29530000 btuH71 psi95 psiBronze250°F2"2"Female Threaded£2,232.43
RFQ
WATTS -

174A Series Water Boiler Pressure Relief Valves

StyleModelDischarge CapacityMax. Working PressureInlet SizeOutlet SizeRelief Valve PressureBody MaterialMax. Temp.Inlet TypePrice (inc. VAT)
A174A-095 3/4--3/4"3/4"95 psiBronze250°FFemale Threaded£319.24
A174A-115 3/4--3/4"3/4"115 psiBronze250°FFemale Threaded£393.05
A174A-060 3/4--3/4"3/4"60 psiBronze250°FFemale Threaded£310.94
A174A-045 3/4--3/4"3/4"45 psiBronze250°FFemale Threaded£381.14
A174A-030 3/4--3/4"3/4"30 psiBronze250°FFemale Threaded£201.31
A174A-140 1--1"1"140 psiBronze250°FFemale Threaded£833.26
A174A-115 1 1/4--1 1/4"1 1/4"115 psiBronze250°FFemale Threaded£1,068.19
A174A-145 1--1"1"145 psiBronze250°FFemale Threaded£833.26
A174A-130 3/4--3/4"3/4"130 psiBronze250°FFemale Threaded£393.05
B174A-35 1 1/22250000 btuH25 psi1 1/2"1 1/2"35 psiBronze250°FFemale Threaded£1,546.03
B174A-036 1 1/22310000 btuH26 psi1 1/2"1 1/2"36 psiBronze250°FFemale Threaded£1,546.03
B174A-050 1 1/42459000 btuH38 psi1 1/4"1 1/4"50 psiBronze250°FFemale Threaded£1,043.79
B174A-0402490000 btuH30 psi1 1/2"1 1/2"40 psiBronze250°FFemale Threaded£1,546.03
B174A-045 1 1/22720000 btuH35 psi1 1/2"1 1/2"45 psiBronze250°FFemale Threaded£1,546.03
B174A-050 1 1/22950000 btuH38 psi1 1/2"1 1/2"50 psiBronze250°FFemale Threaded£1,546.03
B174A-65 1 1/43041000 btuH49 psi1 1/4"1 1/4"65 psiBronze250°FFemale Threaded£1,119.39
B174A-55 1 1/23190000 btuH41 psi1 1/2"1 1/2"55 psiBronze250°FFemale Threaded£1,546.03
B174A-060 1 1/23425000 btuH45 psi1 1/2"1 1/2"60 psiBronze250°FFemale Threaded£1,546.03
B174A-65 1 1/23660000 btuH49 psi1 1/2"1 1/2"65 psiBronze250°FFemale Threaded£1,546.03
B174A-70 1 1/23890000 btuH53 psi1 1/2"1 1/2"70 psiBronze250°FFemale Threaded£1,546.03
B174A-90 1 1/44011000 btuH68 psi1 1/4"1 1/4"90 psiBronze250°FFemale Threaded£1,119.39
B174A-075 1 1/24125000 btuH56 psi1 1/2"1 1/2"75 psiBronze250°FFemale Threaded£1,546.03
B174A-80 1 1/24360000 btuH60 psi1 1/2"1 1/2"80 psiBronze250°FFemale Threaded£1,546.03
B174A-1004399000 btuH75 psi1 1/4"1 1/4"100 psiBronze250°FFemale Threaded£1,043.79
B174A-85 1 1/24590000 btuH64 psi1 1/2"1 1/2"85 psiBronze250°FFemale Threaded£1,546.03
StyleModelBody MaterialShank LengthRelief Valve PressureMax. Temp.Inlet SizeOutlet SizeInlet TypeOutlet TypePrice (inc. VAT)
ALF10L-2 150-210 3/4Copper Silicon Alloy1 1/8"150 psi210°F3/4"3/4"Male ThreadedFemale Threaded£73.58
ALF10L-2 75-210 3/4Lead Free Bronze1 3/16"75 psi210°F3/4"3/4"Male ThreadedFemale Threaded£81.09
ALF10L-2 125-210 3/4Lead Free Bronze1 3/16"125 psi210°F3/4"3/4"Male ThreadedFemale Threaded£81.09
WATTS -

Pressure Relief Valves

StyleModelBody MaterialDischarge CapacityInlet SizeOutlet SizePressure RangeLeadRelief PressureMax. Temp.Price (inc. VAT)
ALF174A-75 3/4--------£381.40
RFQ
B174A-030 1 1/4--------£899.74
RFQ
C740-045 2--------£2,361.13
RFQ
DLF140S3 150-210 1--------£1,159.60
RFQ
ELF174A-75 1--------£1,120.27
RFQ
F740-040 1 1/2--------£1,536.66
RFQ
G740-060 1 1/2---------
RFQ
H740-045 1 1/2--------£1,707.45
RFQ
ILF174A-100 3/4--------£328.35
RFQ
J740-030 3/4--------£196.58
RFQ
K0121484--------£365.53
RFQ
LLF174A-60 3/4--------£550.31
RFQ
M740-060 1 1/4--------£1,080.24
RFQ
NLF174A-75 1 1/4--------£2,011.51
RFQ
OLF140X9 150-210 1--------£1,829.76
RFQ
PLF174A-150 2--------£3,803.10
RFQ
Q740-040 2--------£2,307.25
RFQ
RLF174A-125 1 1/4--------£1,354.71
RFQ
S174A-030 1 1/2--------£1,140.85
RFQ
T740-030 1--------£381.05
RFQ
U740-040 1 1/4--------£1,255.31
RFQ
VLF174A-150 1--------£934.25
RFQ
WLF174A-150 1 1/2--------£2,375.50
RFQ
X740-045 1 1/4--------£1,287.00
RFQ
YSAN50-D--------£1,378.12
RFQ
WATTS -

LFLL40XL Extended Inlet Shank Temperature and Pressure Relief Valves

StyleModelInlet SizeOutlet SizeShank LengthRelief Valve PressureBody MaterialDischarge CapacityInlet TypeOutlet TypePrice (inc. VAT)
ALFLL40XL-M15 150-210 11"1"1 25/32"150 psiCopper Silicon Alloy2135000 btuHMale ThreadedFemale Threaded£1,970.32
BLFLLL40XL-M15 150210 3/43/4"3/4"1 25/32"150 psiCopper Silicon Alloy-Male ThreadedFemale Threaded£778.50
CLFLL40XL 75-210 3/43/4"3/4"1 21/32"75 psiCopper Silicon Alloy-Male ThreadedFemale Threaded£876.12
CLFLL40XL-M15 150-210 3/43/4"3/4"1 21/32"150 psiCopper Silicon Alloy-Male ThreadedFemale Threaded£742.32
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