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 -

93 Series Angle Connector Gas Shutoff Valves

StyleModelInlet TypeOutlet TypeInlet MaterialOutlet MaterialFinishInlet SizePrice
A93-2032Flare JointFemale ThreadedBrassBrassBrass-€17.25
RFQ
B93-3042Flare JointFemale ThreadedBrassBrassBrass-€23.98
RFQ
C93-1032Flare JointFemale ThreadedBrassBrassBrass3/8"€14.04
RFQ
StyleModelBody MaterialMax. Temp.Inlet TypeOutlet TypeInlet Thread TypeMin. Temp.Ball MaterialControl TypePrice
A94-3232Brass125°FFemale ThreadedFemale ThreadedNPT-40°FChrome PlatedTee Handle€13.64
RFQ
A94-4242Brass125°FFemale ThreadedFemale ThreadedNPT-40°FChrome PlatedTee Handle€18.89
RFQ
WATTS -

Temperature & Pressure Relief Valve, 150 psi

StyleModelFactory Set PressureThermostat LengthDischarge CapacityInlet TypeOutlet TypeBody WidthConnection TypeBody MaterialPrice
AL100XL-3100 psi4"100000 btuHMNPTFNPT1 7/8"MNPT x FNPTBrass€46.76
BLLL100XL100 psi2 5/32"105000 btuHMNPTFNPT1 3/4"MNPT x FNPTBrass€53.12
BLL100XL150 psi2 1/2"100000 btuHMale ThreadedFemale Threaded1 3/4"MNPT x FNPTBrass€49.40
WATTS -

LFN9 Series, Dual Check with Atmospheric Vent

StyleModelConnection TypeMax. Temp.Inlet SizeOutlet SizeInlet TypeOutlet TypePipe SizeBody FinishPrice
ALFN9 3/8FNPT x FNPT140°F3/8"3/8"Female ThreadedFemale Threaded3/8"Brass€303.21
ALFN9 1/4FNPT x FNPT140°F1/4"1/4"Female ThreadedFemale Threaded1/4"Brass€222.44
BLFN9C 1/4FNPT x FNPT140°F1/4"1/4"Female ThreadedFemale Threaded1/4"Chrome€241.20
CLFNLF-9MNPT x FNPT180°F3/8"3/8"MNPTFNPT3/8"-€277.64
WATTS -

Automatic Temperature Gas Shutoff Valves, 150 psi

StyleModelConnection TypeBody HeightBody MaterialShank LengthFactory Set PressureMax. Temp.Discharge CapacityThermostat LengthPrice
ALFLLL210-5-M2FNPT x FNPT9 29/32"Copper Silicon Alloy2 7/8"150 psi210°F77400 btuH-€1,121.78
BLF210-5-M2MNPT x FNPT9 3/32"-7/8"150 psi210°F77400 btuH5"€816.42
CLFL210-5-M2MNPT x FNPT8 29/32"Bronze1 7/8"150 psi210°F77400 btuH5"€888.13
StyleModelMax. Working PressureDischarge CapacityRelief Valve PressureBody MaterialMax. Temp.Factory Set PressureConnection TypeInlet SizePrice
A174A-060 245 psi6450000 btuH60 psiBronze250°F--2"€2,166.77
RFQ
A174A-075 256 psi7770000 btuH75 psiBronze250°F--2"€2,024.67
RFQ
A174A-88 266 psi8920000 btuH88 psiBronze250°F--2"€2,166.77
RFQ
A174A-90 268 psi9090000 btuH90 psiBronze250°F--2"€2,166.77
RFQ
StyleModelMax. Working PressureDischarge CapacityInlet SizeOutlet SizeRelief Valve PressureBody MaterialMax. Temp.Factory Set PressurePrice
A174A-045 1 1/235 psi2720000 btuH1 1/2"1 1/2"45 psiBronze250°F-€1,500.56
A174A-060 1 1/245 psi3425000 btuH1 1/2"1 1/2"60 psiBronze250°F-€1,500.56
A174A-70 1 1/253 psi3890000 btuH1 1/2"1 1/2"70 psiBronze250°F-€1,500.56
A174A-85 1 1/264 psi4590000 btuH1 1/2"1 1/2"85 psiBronze250°F-€1,500.56
A174A-10075 psi4399000 btuH1 1/4"1 1/4"100 psiBronze250°F-€1,013.09
A174A-120 1 1/290 psi6225000 btuH1 1/2"1 1/2"120 psiBronze250°F-€1,500.56
A174A-125 294 psi12170000 btuH2"2"125 psiBronze250°F-€2,024.67
RFQ
A174A-135 1 1/2101 psi6925000 btuH1 1/2"1 1/2"135 psiBronze250°F-€1,500.56
A174A-150113 psi6340000 btuH1 1/4"1 1/4"150 psiBronze250°F-€1,013.09
WATTS -

LF10L Series Temperature and Pressure Relief Valves

StyleModelBody MaterialPressure RangeShank LengthRelief Valve PressureMax. Temp.Inlet SizeOutlet SizeInlet TypePrice
ALF10L-2 150-210 3/4Copper Silicon AlloyNot Applicable1 1/8"150 psi210°F3/4"3/4"Male Threaded€109.78
ALF10L-2 75-210 3/4Lead Free Bronze75 psi to 150 psi1 3/16"75 psi210°F3/4"3/4"Male Threaded€78.71
BLF10L-2 125-210 3/4Lead Free Copper Alloy75 psi to 150 psi1 3/16"125 psi210°F3/4"3/4"Male Threaded€78.71
WATTS -

Boiler Pressure Relief Valves

StyleModelFactory Set PressureConnection TypeBody MaterialDischarge CapacityMax. Working PressureMax. Temp.Inlet SizeOutlet SizePrice
ALF474AM2-125--------€149.37
BM375M1-075 3/475 psiNPTM x NPTFBrass738000 btuH56 psi250°F3/4"3/4"€254.62
C474A-M2-125125 psiNPTF x NPTFBronze1700000 btuH----€277.92
WATTS -

LF174A Series Lead Free Boiler Pressure Relief Valves

StyleModelMPN
ALF174A 040 FS 3/4LF174A 040 FS 3/4
RFQ
BLF174A 050 FS 1LF174A 050 FS 1
RFQ
CLF174A 050 FS 1 1/2LF174A 050 FS 1 1/2
RFQ
DLF174A 050 FS 1 1/4LF174A 050 FS 1 1/4
RFQ
ELF174A 050 FS 3/4LF174A 050 FS 3/4
RFQ
BLF174A 060 FS 1LF174A 060 FS 1
RFQ
CLF174A 060 FS 1 1/2LF174A 060 FS 1 1/2
RFQ
DLF174A 060 FS 1 1/4LF174A 060 FS 1 1/4
RFQ
FLF174A 060 FS 2LF174A 060 FS 2
RFQ
ELF174A 065 FS 3/4LF174A 065 FS 3/4
RFQ
BLF174A 070 FS 1LF174A 070 FS 1
RFQ
GLF174A 070 FS 1 1/4LF174A 070 FS 1 1/4
RFQ
ELF174A 070 FS 3/4LF174A 070 FS 3/4
RFQ
HLF174A 075 FS 1LF174A 075 FS 1
RFQ
DLF174A 075 FS 1 1/4LF174A 075 FS 1 1/4
RFQ
FLF174A 075 FS 2LF174A 075 FS 2
RFQ
ELF174A 075 FS 3/4LF174A 075 FS 3/4
RFQ
HLF174A 080 FS 1LF174A 080 FS 1
RFQ
CLF174A 080 FS 1 1/2LF174A 080 FS 1 1/2
RFQ
DLF174A 080 FS 1 1/4LF174A 080 FS 1 1/4
RFQ
FLF174A 080 FS 2LF174A 080 FS 2
RFQ
ALF174A 080 FS 3/4LF174A 080 FS 3/4
RFQ
BLF174A 085 FS 1LF174A 085 FS 1
RFQ
ILF174A 085 FS 1 1/2LF174A 085 FS 1 1/2
RFQ
FLF174A 085 FS 2LF174A 085 FS 2
RFQ
WATTS -

1L Series Temperature And Pressure Relief Valves

StyleModelBody MaterialInlet SizeOutlet SizeInlet TypeOutlet TypePressure RangeLeadInlet Thread TypePrice
A1L-2-100210---------
RFQ
B1L-2-075-210---------
RFQ
BDP1L-TT-125210---------
RFQ
A1L-2-150210Bronze1/2"1/2"Male ThreadedFemale Threaded75 psi to 150 psiPresentNPT€54.63
WATTS -

LF40L Series Temperature and Pressure Relief Valves

StyleModelBody MaterialDischarge CapacityInlet SizeOutlet SizeRelief Valve PressureMax. Temp.Factory Set PressureConnection TypePrice
ALF40XL-125210 3/4---------
RFQ
BLF40XL-8 100-210 3/4Lead Free Brass-3/4"3/4"100 psi210°F--€401.11
CLF40XL7 75-210 1Lead Free Brass1155000 btuH1"1"75 psi210°F--€960.14
WATTS -

LL40XL Series Temperature and Pressure Relief Valves

StyleModelMax. Working PressureDischarge CapacityInlet SizeOutlet SizeThermostat Probe LengthRelief Valve PressureShank LengthBody MaterialPrice
ALL40XLM15-125210 1-1808000 btuH1"1"3"125 psi-Bronze€1,068.86
BLL40XLM15-150210 3/4--3/4"3/4"3 1/2"150 psi-Bronze€549.33
BLL40XL-75210 3/4--3/4"3/4"3 1/2"75 psi-Bronze€604.36
CLLL40XLM15-125210 3/4150 psi-3/4"3/4"8"125 psiNot ApplicableBronze€722.58
StyleModelRelief Valve PressureBody MaterialMax. Temp.Max. Working PressureInlet SizeInlet TypeOutlet TypePressure RangePrice
A3/4 SL100XL 125/210 3/4125 psiBronze210°F125 psi3/4"Male ThreadedFemale Threaded75 psi to 150 psi€63.02
ASL100XL-Z5-150210 3/4150 psiBronze210°F-3/4"Male ThreadedFemale Threaded75 psi to 150 psi€61.52
WATTS -

140 Series Temperature and Pressure Relief Valves

StyleModelRelief Valve PressureBody MaterialMax. Temp.Inlet SizeOutlet SizeInlet TypeOutlet TypePressure RangePrice
A140X6-125210 1---------
RFQ
A140X8-150210 3/4---------
RFQ
A140X9-150210 1---------
RFQ
B140S3-100210 3/4100 psiBronze210°F3/4"3/4"Female ThreadedFemale Threaded75 psi to 150 psi€481.36
C140S3-125210 3/4125 psiBronze210°F3/4"3/4"Female ThreadedFemale Threaded75 psi to 150 psi€448.49
C140S3-150210 3/4150 psiBronze210°F3/4"3/4"Female ThreadedFemale Threaded75 psi to 150 psi€448.49
WATTS -

LF340 Series Temperature and Pressure Relief Valves

StyleModelInlet SizeOutlet SizeInlet TypeOutlet TypeRelief PressurePressure RangeInlet Thread TypeThermostat MaterialPrice
ALF340-3 100/210 FS 1 1/2---------
RFQ
BLF340-3 125/210 FS 1 1/2---------
RFQ
CLF340-3 150/210 FS 1 1/2---------
RFQ
CLF340X-8 100/210 FS 1 1/2---------
RFQ
CLF340X-8 125/210 FS 1 1/2---------
RFQ
BLF340X-8 150/210 FS 1 1/2---------
RFQ
BLF342-3 125/210 FS 2---------
RFQ
DLF342-3 150/210 FS 2---------
RFQ
ELF342X-8 125/210 FS 2---------
RFQ
ELF342X-8 150/210 FS 2---------
RFQ
FLF340 150-210 1 1/21 1/2"1 1/2"Female ThreadedFemale Threaded150 psi75 psi to 150 psiNPTStainless Steel€8,854.08
StyleModelRelief Valve PressureBody MaterialMax. Temp.Discharge CapacityInlet SizeOutlet SizeInlet TypeOutlet TypePrice
ALFN240X-9 100-210 1100 psiLead Free Brass210°F2817000 btuH1"1"Female ThreadedFemale Threaded€2,030.79
ALFN240X 110-210 1110 psiLead Free Brass210°F-1"1"Female ThreadedFemale Threaded€1,738.92
StyleModelBody MaterialRelief Valve PressureMax. Temp.Max. Working PressureInlet SizeOutlet SizeInlet TypeOutlet TypePrice
A3L-125 3/4Brass75 psi210°F150 psi3/4"3/4"Male ThreadedFemale Threaded€114.98
A3L-150-Z9 3/4Brass150 psi210°F150 psi3/4"3/4"Male ThreadedFemale Threaded€124.17
A3L-100 3/4Bronze100 psi210°F-3/4"3/4"Male ThreadedFemale Threaded€126.07
A3L-150 3/4Bronze150 psi210°F-3/4"3/4"Male ThreadedFemale Threaded€105.42
A3L-95 3/4Bronze95 psi210°F150 psi3/4"3/4"Male ThreadedFemale Threaded€114.98
A3L-075 3/4Bronze75 psi210°F-3/4"3/4"Male ThreadedFemale Threaded€114.98
StyleModelOutlet TypePressure RangeRelief Valve PressureBody MaterialMax. Temp.Factory Set PressureMax. Working PressureDischarge CapacityPrice
A53L-125 1/2---------
RFQ
A53L-075 1/2Female Threaded75 psi to 175 psi75 psiBronze210°F---€110.40
A53L-100 1/2Female ThreadedNot Applicable100 psiBronze210°F-75 psi15000 btuH€110.40
A53L-Z2-030 1/2Female Threaded75 psi to 175 psi30 psiBronze----€110.40
A53L-175 1/2Female Threaded75 psi to 175 psi175 psiBronze210°F---€110.40
A1/2 53L-150NPTNot Applicable-Bronze-150 psi--€229.48
WATTS -

1XL Series Temperature and Pressure Relief Valves

StyleModelThermostat Probe LengthBody MaterialInlet SizeInlet TypeOutlet TypePressure RangeInlet Thread TypeShank LengthPrice
A1XL-100---------
RFQ
B1XL-125210---------
RFQ
C1XL 75-210 1/24"Bronze1/2"Male ThreadedFemale Threaded75 psi to 150 psiNPT7/8"€58.07
C1XL-150210 1/24"Bronze1/2"Male ThreadedFemale Threaded75 psi to 150 psiNPT7/8"€82.84
C1XL-8-1502108"Bronze1/2"Male ThreadedFemale Threaded75 psi to 150 psiNPT7/8"€55.00
WATTS -

LF140 Series Pressure Relief Valves

StyleModelBody MaterialBody HeightThermostat LengthDischarge CapacityInlet SizeOutlet SizeInlet TypeRelief Valve PressurePrice
ALF140X6 125-210 3/4Lead Free Brass---3/4"3/4"Female Threaded125 psi€656.31
BLF140X8 125-210 3/4Lead Free Brass---3/4"3/4"Female Threaded125 psi€717.55