WATTS Pressure Regulators

Used to reduce the inlet pressure of the fluid to a predetermined value, protect the downstream plumbing components and reduce water consumption. Steam and water pressure regulators also available in different connection types and body materials

Filter

StyleModelInlet Connection SizePressure Adjustment RangeAdjustable PressureOutlet SizeOverall HeightOverall WidthFor MediaHeightPrice
A1/2 LF 263A-A 1-25 PSI1/2"1 psi to 25 psi1 psi to 25 psi1/2"4 3/8"2 1/8"Fuel Oil, Water4 3/8"€318.09
A1/4 LF 263A-B3-50PSI1/4"3 psi to 50 psi3 psi to 50 psi-4 3/8"2 1/8"Fuel Oil, Water4 3/8"€299.63
A3/8 LF 263A-A 1-25 PSI3/8"1 psi to 25 psi1 psi to 25 psi3/8"4 3/8"2 1/8"Fuel Oil, Water4 3/8"€340.65
WATTS -

152SS Series Steam Pressure Regulators

StyleModelOutlet SizePressure Adjustment RangeMax. Operating Temp.Inlet Connection SizeFor MediaAdjustable PressureMax. Working PressureAdjustable Reduced Pressure RangePrice
A152SS-10-50 11"10 psi to 50 psi420°F1"Oil, Steam10 psi to 50 psi300 psi10 psi to 50 psi€17,076.87
B152SS 3-151/2"3 psi to 15 psi420°F1/2"Steam---€15,734.10
A152SS-30-140 1/21/2"30 psi to 140 psi420°F1/2"Oil, Steam30 psi to 140 psi300 psi30 psi to 140 psi€14,750.71
A152SS-10-50 3/43/4"10 psi to 50 psi216°C--10 psi to 50 psi20.7 Bar-€15,881.27
A152SS-30-140 3/43/4"30 psi to 140 psi420°F3/4"Oil, Steam30 psi to 140 psi20.7 Bar-€16,301.44
WATTS -

1156F Series Boiler Feed Water Pressure Regulators

StyleModelOverall WidthMax. Working PressureInlet TypeMax. Operating Temp.Inlet Connection SizeOutlet SizePressure Adjustment RangeOverall HeightPrice
ATB1156F4 1/8"6.8 BarFemale Threaded212°F1/2"1/2"10 psi to 25 psi5 3/8"€201.55
BSB1156F4 3/8"100 psiUnion Joint212°F1/2"1/2"10 psi to 25 psi5 3/8"€229.82
WATTS -

LF26A Series Water Pressure Regulators, Lead Free

StyleModelInlet Connection SizePressure Adjustment RangeSeriesOutlet SizeAdjustable PressureOverall HeightOverall WidthFor MediaPrice
A1/2 LF 26AA1/2"1 psi to 25 psiLF26A Series1/2"1 psi to 25 psi4 3/8"2 1/8"Fuel Oil, Water€278.78
A1/2 LF 26AB1/2"3 psi to 50 psiLF26A Series1/2"3 psi to 50 psi4 3/8"2 1/8"Fuel Oil, Water€262.65
B1/2 LF 263AB1/2"3 psi to 50 psiLF263A Series1/2"-4 3/8"2 1/8"Fuel Oil, Water€224.84
A1/4 LF 26AA1/4"1 psi to 25 psiLF26A Series-1 psi to 25 psi4 3/8"2 1/8"Fuel Oil, Water€127.92
A1/4 LF 26AB1/4"3 psi to 50 psiLF26A Series1/4"3 psi to 50 psi4 3/8"2 1/8"Fuel Oil, Water€126.35
A3/8 LF 26AB3/8"3 psi to 50 psiLF26A Series3/8"3 psi to 50 psi4 3/8"2 1/8"Fuel Oil, Water€138.26
B3/8 LF 263 A-B3/8"3 psi to 50 psiLF263A Series3/8"-4 3/8"2 1/8"Fuel Oil, Water€309.71
WATTS -

1156F Series Pressure Regulators

StyleModelSeriesHeightConnectionsMax. Working PressureMaterialInlet Connection SizeOutlet SizeMax. Temp.Price
A1156F-A1156F Series5 3/4"MNPT x MNPT--1/2"1/2"212°F€133.19
BB1156F1156F Series5 3/8"Fnpt x F--1/2"1/2"212°F€114.15
CB1156F (W/PRESS) 1/2B1156F Series--100 psiStainless Steel1/2"1/2"212°F€165.17
WATTS -

LF263A Series Water Pressure Reducing Valves

StyleModelAdjustable Reduced Pressure RangeGauge OptionInlet Thread TypeStandard Reduced Pressure SettingOutlet Thread TypeSeriesOutlet SizeInlet Connection SizePrice
ALF263A 50-175-------1/4"€300.93
BLF263AP--------€149.71
RFQ
CLF263A-G 10-125 1/2---------
RFQ
DLF263A-V 1/40.2 Bar to 3.4 BarNo GaugeFPT15 psiFPTLF263A1/4"1/4"€369.03
DLF263A 3-50 1/20.2 Bar to 3.4 BarGauge TappingNPT15 psiNPTLF263A1/2"1/2"€397.29
DLF263A 3-50 3/80.2 Bar to 3.4 BarGauge TappingNPT15 psiNPTLF263A3/8"3/8"€310.19
DLF263A 3-50 1/40.2 Bar to 3.4 BarGauge TappingNPT15 psiNPTLF263A1/4"-€310.19
CLF263A-G 3-50 1/20.2 Bar to 3.4 BarGauge TappingFPT15 psiFPTLF263A1/2"1/2"€575.33
CLF263A-G 10-125 3/80.7 Bar to 8.6 BarGauge Tapping & GaugeNPT1.7 BarNPTLF263A3/8"3/8"€482.11
CLF263A-G 10-125 1/40.7 Bar to 8.6 BarGauge TappingFPT1.7 BarFPTLF263A1/4"1/4"€482.11
D3/8 LF263A 10-1250.7 Bar to 8.6 BarNo GaugeNPT1.7 BarNPTLF263A Series3/8"3/8"€321.49
DLF263A 10-125 1/20.7 Bar to 8.6 BarNo GaugeNPT25 psiNPTLF263A Series1/2"1/2"€1,081.76
DLF263A 10-125 1/40.7 Bar to 8.6 BarNo GaugeNPT25 psiNPTLF263A1/4"-€310.19
ELF263A-G 1-25 1/21 psi to 25 psiGauge TappingFPT10 psiFPTLF263A1/2"-€575.33
DLF263A 1-25 1/21 psi to 25 psiNo GaugeNPT10 psiNPTLF263A1/2"1/2"€397.29
D1/4 LF263A-1-251 psi to 25 psiNo GaugeNPT10 psiNPT263A Series, LF263A Series1/4"1/4"€478.67
DLF263A 1-25 3/81 psi to 25 psiNo GaugeNPT10 psiNPTLF263A Series3/8"3/8"€310.19
FLF263AP 1/2 20-1751.4 Bar to 12.1 BarGauge TappingNPT3.4 BarNPTLF263AP Series-1/2"€795.72
GLF263AP 20-175 1/21.4 Bar to 12.1 BarGauge TappingNPT3.4 BarNPTLF263A Series, LF263AP Series1/2"1/2"€670.74
D1/2 LF263A 50-1753.4 Bar to 11.9 BarNo GaugeNPT50 psiNPTLF263A Series1/2"1/2"€314.23
DLF263A 50-175 1/450 psi to 175 psiNo GaugeFPT50 psiFPTLF263A Series1/4"1/4"€310.19
D3/8 LF263A 50-17550 to 175No GaugeFPT50 psiFPT263A Series, LF263A Series3/8"3/8"€448.97
WATTS -

Regulators

StyleModelFits BrandInlet Connection SizeSeat MaterialOverall HeightOverall WidthFor MediaFactory Set PressureOutlet Connection SizePrice
ALFU5B-LP-Z3 1Watts1"Stainless Steel7 3/8"4"Water50 psi1"€4,247.02
BR119-02CGWatts-------€282.21
WATTS -

Pressure Regulators

StyleModelInlet Connection SizeOutlet SizePressure Adjustment RangeOverall HeightOverall WidthAdjustable PressureHeightGauge Port SizePrice
AP601/4"1/4"0 psi to 125 psi2 7/8"1 9/16"0 psi to 125 psi3"1/4"€130.62
BLFH560G 3/43/4"3/4"10 psi to 60 psi2"3"10 psi to 60 psi2 1/4"1/8"€236.08
StyleModelOutlet SizeMax. Working PressureMin. Temp.Adjustable Reduced Pressure RangeInlet Connection SizeInlet TypeOutlet TypeGauge OptionPrice
A127SS-206 1 1/21 1/2"250 psi33°F50 psi to 100 psi1 1/2"Female ThreadedFemale ThreadedNo Gauge€7,048.92
RFQ
A127SS-210 1 1/21 1/2"250 psi33°F50 psi to 100 psi1 1/2"Female ThreadedFemale ThreadedNo Gauge€7,048.92
RFQ
A127SS-208 1 1/21 1/2"250 psi33°F50 psi to 100 psi1 1/2"Female ThreadedFemale ThreadedNo Gauge€7,048.92
RFQ
A127SS-110 1 1/21 1/2"17.2 Bar0.5°C50 psi to 100 psi-Female ThreadedFemale ThreadedNo Gauge€7,048.92
RFQ
A127SS-108 1 1/41 1/4"250 psi33°F50 psi to 100 psi1 1/4"Female ThreadedFemale ThreadedNo Gauge€6,595.06
RFQ
A127SS-208 1 1/41 1/4"17.2 Bar0.5°C50 psi to 100 psi-Female ThreadedFemale ThreadedNo Gauge€6,162.63
RFQ
A127SS-108 11"17.2 Bar0.5°C50 psi to 100 psi-Female ThreadedFemale ThreadedNo Gauge€5,577.40
RFQ
A127SS-206 11"17.2 Bar0.5°C50 psi to 100 psi-Female ThreadedFemale ThreadedNo Gauge€5,577.40
RFQ
A127SS-208 11"250 psi33°F50 psi to 100 psi1"Female ThreadedFemale ThreadedNo Gauge€5,577.40
RFQ
A127SS-206 1/21/2"17.2 Bar0.5°C50 psi to 100 psi-Female ThreadedFemale ThreadedNo Gauge€4,993.68
RFQ
A127SS-208 1/21/2"250 psi33°F50 psi to 100 psi1/2"Female ThreadedFemale ThreadedNo Gauge€5,343.58
RFQ
A127SS-208 22"250 psi33°F50 psi to 100 psi2"Female ThreadedFemale ThreadedNo Gauge€8,631.97
RFQ
A127SS-206 22"250 psi33°F50 psi to 100 psi2"Female ThreadedFemale ThreadedNo Gauge€8,631.97
RFQ
A127SS-210 22"17.2 Bar0.5°C50 psi to 100 psi-Female ThreadedFemale ThreadedNo Gauge€8,631.97
RFQ
A127SS-108 3/43/4"17.2 Bar33°F50 to 1003/4"Female ThreadedFemale ThreadedNo Gauge€5,343.58
RFQ
A127SS-208 3/43/4"17.2 Bar33°F-3/4"Female ThreadedFemale ThreadedNo Gauge€4,993.68
RFQ
StyleModelInlet Connection SizeOutlet SizePressure Adjustment RangeAdjustable PressureOverall HeightOverall WidthFor MediaHeightPrice
ASS263A A 1 251/2"1/2"1 psi to 25 psi1 psi to 25 psi4 3/8"2 1/8"Fuel Oil, Water4 3/8"€1,231.84
ASS 263 A D 20 1751/2"1/2"20 psi to 175 psi20 psi to 175 psi4 3/8"2 1/8"Fuel Oil, Water4 3/8"€1,228.43
A1/2 SS 263A E 100 3001/2"1/2"100 psi to 300 psi100 psi to 300 psi4 3/8"2 1/8"Fuel Oil, Water4 3/8"€1,213.29
A1/4 SS 263 A 10 1251/4"1/4"10 psi to 125 psi10 psi to 125 psi4 3/8"2 1/8"Fuel Oil, Water4 3/8"€1,324.06
A1/4 SS 263 A 3 501/4"1/4"3 psi to 50 psi3 psi to 50 psi4 3/8"2 1/8"Fuel Oil, Water4 3/8"€1,256.22
A1/4 SS 263 A 1 251/4"1/4"1 psi to 25 psi1 psi to 25 psi4 3/8"2 1/8"Fuel Oil, Water4 3/8"€1,233.09
A1/4 SS 263 A 100 3001/4"1/4"100 psi to 300 psi100 psi to 300 psi4 3/8"2 1/8"Fuel Oil, Water4 3/8"€1,238.04
A3/8 SS 263A 20 1753/8"3/8"20 psi to 175 psi20 psi to 175 psi4 3/8"2 1/8"Fuel Oil, Water4 3/8"€1,422.09
A3/8 SS 263A 100 3003/8"3/8"100 psi to 300 psi100 psi to 300 psi4 3/8"2 1/8"Fuel Oil, Water4 3/8"€1,118.73
A3/8 SS 263A 10 1253/8"3/8"10 psi to 125 psi10 psi to 125 psi4 3/8"2 1/8"Fuel Oil, Water4 3/8"€1,226.89
A3/8 SS263A 1 253/8"3/8"1 psi to 25 psi1 psi to 25 psi4 3/8"2 1/8"Fuel Oil, Water4 3/8"€1,189.90
A3/8 SS 263A 3 503/8"3/8"3 psi to 50 psi3 psi to 50 psi4 3/8"2 1/8"Fuel Oil, Water4 3/8"€1,197.61
StyleModelAdjustable Reduced Pressure RangeStrainerOutlet SizeTypeInlet TypeOutlet TypeDisc MaterialMax. Operating Temp.Price
AP60M1-4-V-0-250 psi to 25 psiYes1/4"KitFemale ThreadedFemale ThreadedBuna N150°F€183.37
AP60M1-0-250 psi to 25 psiNo1/4"KitFemale ThreadedFemale ThreadedBuna N150°F€194.06
AP60M1-4-0-250 psi to 25 psiYes1/4"KitFemale ThreadedFemale ThreadedBuna N150°F€147.45
AP60M1-4-0-600 psi to 60 psiYes1/4"KitFemale ThreadedFemale ThreadedBuna N150°F€163.51
AP60M1-0-600 psi to 60 psiNo1/4"KitFemale ThreadedFemale ThreadedBuna N150°F€194.06
AP60M1-4-V-0-600 psi to 60 psiYes1/4"KitFemale ThreadedFemale ThreadedBuna N150°F€197.13
AP60M1-4-0-1250 psi to 125 psiYes1/4"KitFemale ThreadedFemale ThreadedBuna N150°F€163.51
AP60M1-4-QD-0-1250 psi to 125 psiNo1/4"KitFemale ThreadedFemale ThreadedBuna N150°F€169.63
StyleModelOutlet SizeAdjustable Reduced Pressure RangeInlet Thread TypeStandard Reduced Pressure SettingOutlet Thread TypeMax. Working PressureTrim MaterialInlet Connection SizePrice
ALF26A 3-50 1/4---------
RFQ
ALF26A 50-175 1/4---------
RFQ
A1/2 LF26A 10-1251/2"0.7 Bar to 8.6 BarNPT25 psiNPT-Lead Free Brass1/2"€334.18
ALF26A 3-50 1/21/2"0.7 Bar to 1.7 BarNPT15 psiNPT20.7 BarBronze-€369.78
ALF26A 1-25 1/21/2"0 Bar to 1.72 BarNPT10 psiNPT300 psiLead Free Brass1/2"€369.78
ALF26A 1-25 1/41/4"1 psi to 25 psiNPT0.7 BarNPT300 psiNot Applicable1/4"€284.98
ALF26A 10-125 1/41/4"0.7 Bar to 8.6 BarNPT25 psiNPT300 psiNot Applicable1/4"€284.98
ALF26A 1-25 1/81/8"1 psi to 25 psiFPT10 psiFPT300 psiNot Applicable1/8"€305.61
ALF26A 3-50 1/81/8"0.2 Bar to 3.4 BarFPT1 BarFPT300 psiNot Applicable1/8"€284.98
A3/8 LF26A 50-1753/8"50 to 175NPT50 psiNPT300 psiNot Applicable3/8"€155.72
ALF26A 10-125 3/83/8"0.7 Bar to 2.4 BarNPT25 psiNPT300 psiBronze3/8"€284.98
ALF26A 1-25 3/83/8"1 psi to 25 psiNPT0.7 BarNPT300 psiNot Applicable3/8"€284.98
ALF26A-V 3/83/8"0.2 Bar to 3.4 BarNPT50 psiNPT20.7 Bar--€344.58
ALF26A 3-50 3/83/8"0.2 Bar to 3.4 BarNPT15 psiNPT300 psiLead Free Brass3/8"€284.98
WATTS -

BD1156F Series Boiler Feed Water Pressure Regulators

StyleModelOutlet SizeInlet TypeOutlet TypeInlet Thread TypeOutlet Thread TypeSeriesMax. Working PressureMax. Operating Temp.Price
A1/2 BD1156F1/2"Female ThreadedFemale ThreadedNPTNPTBD1156F100 psi212°F€126.94
BBD1156F (W/PRESS) 1/21/2"PressPressNot ApplicableNot ApplicableBD1156F Series6.9 Bar212°F€150.46
C1/2 SBD1156F1/2"Union SolderFemale ThreadedNot ApplicableFPTBD1156F6.9 Bar100°C€173.71
D1/2 TBD1156F1/2"Union JointFemale ThreadedFPTFPTBD1156F100 psi212°F€173.71
EBD1156F 3/43/4"Female ThreadedFemale ThreadedNPTNPTBD1156F Series--€156.97
WATTS -

LF560 Series Water Pressure Reducing Valves

StyleModelOutlet SizeAdjustable PressureAdjustable Reduced Pressure RangeGauge OptionInlet Thread TypeStandard Reduced Pressure SettingOutlet Thread TypeDisc MaterialPrice
ALF560 0-60 1/41/4"0 psi to 60 psi0 Bar to 4.13 BarNo GaugeFPT40 psiFPTBuna N€250.61
B1/4 LF560G 0-1251/4"0 psi to 125 psi0 Bar to 8.61 BarGauge TappingNPT80 psiNPTBuna N€195.85
A1/4 LF560 0-1251/4"0 psi to 125 psi0 Bar to 8.61 BarNo GaugeFPT80 psiFPTBuna-N€169.60
BLF560G-0-125 1/81/8"0 psi to 125 psi0 Bar to 8.61 BarGauge TappingNPT80 psiNPTBuna N€401.11
A1/8 LF560 0-251/8"0 psi to 25 psi0 Bar to 1.72 BarNo GaugeFPT15 psiFPTBuna-N€186.72
A1/8 LF560 0-601/8"0 psi to 60 psi0 Bar to 4.13 BarNo GaugeFPT2.8 BarFPTBuna-N€184.89
StyleModelInlet Connection SizeOutlet SizeMax. Working PressureInlet Thread TypeStandard Reduced Pressure SettingStrainerSeriesPressure SettingPrice
A1/4 LF215M1 0-501/4"1/4"20.7 BarNPT1.03 BarNo215 Series, LF215 Series-€807.97
ALF215M1 0-20 1/41/4"1/4"300 psiNPT10 psiYesLF215 Series0.68 Bar€763.25
ALF215M1 0-8 1/41/4"1/4"300 psiNPT0.27 BarNoLF2150.27 Bar€763.25
A3/8 LF215M1 0-503/8"3/8"300 psiNPT15 psiYes215 Series1.03 Bar€847.83
ALF215M1 0-20 3/83/8"3/8"300 psiNPT10 psiYesLF2150.68 Bar€819.03
ALF215M0-8 3/83/8"3/8"300 psiFPT4 psiYesLF215 Series0.27 Bar€819.03
StyleModelOutlet SizeMax. Working PressureMin. Temp.Inlet Connection SizeTypeAdjustable Reduced Pressure RangeGauge OptionInlet ConnectionPrice
AF127SS-110 33"125 psi33°F3"Standard50 psi to 100 psiNo GaugeFlanged Joint€13,767.73
RFQ
AF127SS-206 33"125 psi33°F3"Standard50 psi to 100 psiNo GaugeFlanged Joint€13,507.96
RFQ
AF127SS-208 33"8.6 Bar0.5°C-Standard50 psi to 100 psiNo GaugeFlanged Joint€13,507.96
RFQ
AF127SS-210 44"8.6 Bar0.5°C-Standard50 psi to 100 psiNo GaugeFlanged Joint€18,209.92
RFQ
AF127SS-208 44"125 psi33°F4"Standard50 psi to 100 psiNo GaugeFlanged Joint€17,019.43
RFQ
StyleModelPressure Adjustment RangeAdjustable PressureInlet Connection SizeOutlet SizeOverall HeightOverall WidthFor MediaHeightPrice
A1/2 SS263AP-M1-AB 3-50 PSI3 psi to 50 psi3 psi to 50 psi1/2"1/2"4 3/4"2 1/8"Water4 3/4"€1,688.89
A1/2 SS263AP-M1-A-C 10-125PSI10 psi to 125 psi10 psi to 125 psi1/2"1/2"4 3/4"2 1/8"Water4 3/4"€1,140.60
StyleModelAdjustable PressureMax. Working PressureMin. Temp.Standard Reduced Pressure SettingMax. Operating Temp.Inlet Connection SizeAdjustable Reduced Pressure RangeOutlet SizePrice
A252A 3-15 3/43 psi to 15 psi20.7 Bar0.5°C50 psi149°C-0.2 Bar to 1.03 Bar-€2,380.69
A252AT 3-15 1/23 psi to 15 psi300 psi33°F50 psi400°F1/2"3 psi to 15 psi1/2"€2,354.73
A252A 3-15 1/23 psi to 15 psi300 psi33°F3.4 Bar300°F1/2"3 psi to 15 psi1/2"€1,998.67
A252AT 3-15 3/43 psi to 15 psi14 Bar33°F3.4 Bar204°C3/4"--€2,619.08
A252AT 10-30 3/410 psi to 30 psi14 Bar33°F3.4 Bar204°C3/4"--€2,619.08
A252A 10-30 1/210 psi to 30 psi300 psi33°F50 psi149°C1/2"10 psi to 30 psi1/2"€1,998.67
A252A 10-50 110 psi to 50 psi300 psi33°F--1"10 psi to 50 psi1"€2,889.55
RFQ
A252AT 10-50 1/210 psi to 50 psi300 psi33°F50 psi400°F1/2"10 psi to 50 psi1/2"€2,198.87
A252A 10-50 3/410 psi to 50 psi20.7 Bar33°F3.4 Bar300°F3/4"--€3,593.02
A252A 10-50 1/210 psi to 50 psi300 psi33°F3.4 Bar-1/2"10 psi to 50 psi1/2"€1,998.67
A252A 30-140 3/430 psi to 140 psi20.7 Bar33°F50 psi300°F3/4"30 to 140-€2,380.69
A252AT 30-140 3/430 psi to 140 psi14 Bar0.5°C50 psi204°C-2.06 Bar to 9.65 Bar-€2,619.08
A252A 30-140 1/230 psi to 140 psi300 psi33°F50 psi300°F1/2"30 psi to 140 psi1/2"€1,998.67
A252AT 30-140 1/230 psi to 140 psi20.7 Bar0.5°C50 psi204°C-30 psi to 140 psi1/2"€2,354.73
A252A 30-140 130 psi to 140 psi300 psi33°F50 psi300°F1"30 psi to 140 psi1"€2,889.55
RFQ
WATTS -

Pressure Regulator, 3-1/2 Inch Length, Bronze, 8 to 21 Psi Max. Pressure

ModelItemPrice (ex. VAT)
BD1156FCD3THW€134.48
WATTS -

Pressure Regulator, FNPT x FNPT, 1/8 in Pipe, Brass, 0 to 125 PSI, 140 Deg F Max. Op Temp

ModelItemPrice (ex. VAT)
1/8 LF560 0-125AB8QYG€177.99
WATTS -

Boiler Feed Water Pressure Regulator

ModelItemPrice (ex. VAT)
1/2 B911 (PRESS XTHD)DZ9MKK-
RFQ
12