Best Pressure Switches. Reviews November, 2020

Square D by Schneider Electric 9013FSG2J24M4 Air-Pump Pressure Switch, NEMA 1, 40-60 psi Pressure Setting, 20-65 psi Cut-Out, 15-30 psi Adjustable Differential, Low-Pressure Cut-Off

Search only Square D by Schneider Electric brand name
Square D by Schneider Electric 9013FSG2J24M4 Air-Pump Pressure Switch, NEMA 1, 40-60 psi Pressure Setting, 20-65 psi Cut-Out, 15-30 psi Adjustable Differential, Low-Pressure Cut-Off

Current price: 24.99 USD

Saving: $3.21 (11%)


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Height: 4 Inches

Length: 4 Inches

Width: 4 Inches

Weight: 0.000625 Pounds

  • Low Pressure Cut Off - operates approximately 10 psi below cut-in
  • Diaphragm Actuated
  • Pressure Switch used to control electrically driven motors
  • Pressure Switch - Water or Air

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Square D by Schneider Electric 9013FSG2J21 Air-Pump Pressure Switch, NEMA 1, 30-50 psi Pressure Setting, 20-65 psi Cut-Out, 15-30 psi Adjustable Differential

Search only Square D by Schneider Electric brand name
Square D by Schneider Electric 9013FSG2J21 Air-Pump Pressure Switch, NEMA 1, 30-50 psi Pressure Setting, 20-65 psi Cut-Out, 15-30 psi Adjustable Differential

Current price: 15.56 USD

Saving: $5.84 (27%)


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Height: 4 Inches

Length: 3 Inches

Width: 4 Inches

Weight: 0.44 Pounds

  • Low Pressure Cut Off - operates approximately 10 psi below cut-in
  • Diaphragm Actuated
  • Pressure Switch used to control electrically driven motors
  • Pressure Switch - Water or Air
  • NEMA 1 enclosure has a 1/4" NPSF internal fluid connection
  • Switch works with a 1. 5 hp or less pump, has an adjustable differential range of 15-30 psi, and has a cut-out range of 20-65 psi
  • Pressure switch with 30-50 psi pressure setting range activates an electrically driven water pump within a power circuit when the adjustable rising and falling thresholds are reached

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Air Pressure Switch 70-100PSI Pressure Switch 1/4"-18 NPT 24V 12V Pressure Switch Air Compressor Pressure Switch Pressure Controller 70 PSI Pressure Switch

Search only FanWayer brand name
Air Pressure Switch 70-100PSI Pressure Switch 1/4

Current price: 10.9 USD


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  • Low Pressure Cut Off - operates approximately 10 psi below cut-in
  • Diaphragm Actuated
  • Pressure Switch used to control electrically driven motors
  • Pressure Switch - Water or Air
  • NEMA 1 enclosure has a 1/4" NPSF internal fluid connection
  • Switch works with a 1. 5 hp or less pump, has an adjustable differential range of 15-30 psi, and has a cut-out range of 20-65 psi
  • Pressure switch with 30-50 psi pressure setting range activates an electrically driven water pump within a power circuit when the adjustable rising and falling thresholds are reached
  • Service life:100000cycles, long working life, please send email to the seller if any issue.
  • Versatile Use air pressure switch: Such as for air horn /train, air tank pressure switch
  • DC pressure switch:24v pressure switch,12v pressure switch, AC 110V 120V 240V air pressure switch.
  • Turn on pressure below 70psi, Turn off reach 100psi; 70 psi pressure switch,100psi pressure switch
  • 1/4-18 NPT Male Thread: Easy connection air tank, train horn pressure switch, air ride pressure switch

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Tjernlund PS1503 Duct Airstat Pressure Switch

Search only Tjernlund brand name
Tjernlund PS1503 Duct Airstat Pressure Switch

Current price: 36.96 USD


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Height: 6 Inches

Length: 6 Inches

Width: 6 Inches

Weight: 1 Pounds

  • Low Pressure Cut Off - operates approximately 10 psi below cut-in
  • Diaphragm Actuated
  • Pressure Switch used to control electrically driven motors
  • Pressure Switch - Water or Air
  • NEMA 1 enclosure has a 1/4" NPSF internal fluid connection
  • Switch works with a 1. 5 hp or less pump, has an adjustable differential range of 15-30 psi, and has a cut-out range of 20-65 psi
  • Pressure switch with 30-50 psi pressure setting range activates an electrically driven water pump within a power circuit when the adjustable rising and falling thresholds are reached
  • Service life:100000cycles, long working life, please send email to the seller if any issue.
  • Versatile Use air pressure switch: Such as for air horn /train, air tank pressure switch
  • DC pressure switch:24v pressure switch,12v pressure switch, AC 110V 120V 240V air pressure switch.
  • Turn on pressure below 70psi, Turn off reach 100psi; 70 psi pressure switch,100psi pressure switch
  • 1/4-18 NPT Male Thread: Easy connection air tank, train horn pressure switch, air ride pressure switch
  • Simplifies wiring
  • Works year-round for both heating and A/C
  • Rated for fan up to 15 amp at 120 Volt
  • Senses positive pressure from air handler blower to activate Duct Booster fans
  • Duct air pressure switch

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Air Pressure Switch 110-140 PSI Pressure Switch 1/4"-18 NPT 24V 12V Pressure Switch Air Compressor Pressure Switch 110 PSI Pressure Switch DC Pressure Switch

Search only FanWayer brand name
Air Pressure Switch 110-140 PSI Pressure Switch 1/4

Current price: 11.9 USD


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  • Low Pressure Cut Off - operates approximately 10 psi below cut-in
  • Diaphragm Actuated
  • Pressure Switch used to control electrically driven motors
  • Pressure Switch - Water or Air
  • NEMA 1 enclosure has a 1/4" NPSF internal fluid connection
  • Switch works with a 1. 5 hp or less pump, has an adjustable differential range of 15-30 psi, and has a cut-out range of 20-65 psi
  • Pressure switch with 30-50 psi pressure setting range activates an electrically driven water pump within a power circuit when the adjustable rising and falling thresholds are reached
  • Service life:100000cycles, long working life, please send email to the seller if any issue.
  • Versatile Use air pressure switch: Such as for air horn /train, air tank pressure switch
  • DC pressure switch:24v pressure switch,12v pressure switch, AC 110V 120V 240V air pressure switch.
  • Turn on pressure below 70psi, Turn off reach 100psi; 70 psi pressure switch,100psi pressure switch
  • 1/4-18 NPT Male Thread: Easy connection air tank, train horn pressure switch, air ride pressure switch
  • Simplifies wiring
  • Works year-round for both heating and A/C
  • Rated for fan up to 15 amp at 120 Volt
  • Senses positive pressure from air handler blower to activate Duct Booster fans
  • Duct air pressure switch
  • Service life:100000cycles, long working life, please send email to the seller if any issue.
  • Versatile Use air pressure switch: Such as for air horn /train, air tank pressure switch
  • DC pressure switch:24v pressure switch,12v pressure switch, AC 110V 120V 240V air pressure switch.
  • Air Pressure Switch turn on if pressure below 110psi, turn off reach 140psi
  • 1/4-18 NPT Male Thread: Easy connection air tank /train/air horn, air ride pressure switch

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Air Pressure Switch 110-145 PSI Pressure Switch 1/8"-27 NPT DC 24V 12V Pressure Switch Air Compressor Pressure Switch 110 PSI Pressure Switch DC Pressure Switch

Search only FanWayer brand name
Air Pressure Switch 110-145 PSI Pressure Switch 1/8

Current price: 11.9 USD


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  • Low Pressure Cut Off - operates approximately 10 psi below cut-in
  • Diaphragm Actuated
  • Pressure Switch used to control electrically driven motors
  • Pressure Switch - Water or Air
  • NEMA 1 enclosure has a 1/4" NPSF internal fluid connection
  • Switch works with a 1. 5 hp or less pump, has an adjustable differential range of 15-30 psi, and has a cut-out range of 20-65 psi
  • Pressure switch with 30-50 psi pressure setting range activates an electrically driven water pump within a power circuit when the adjustable rising and falling thresholds are reached
  • Service life:100000cycles, long working life, please send email to the seller if any issue.
  • Versatile Use air pressure switch: Such as for air horn /train, air tank pressure switch
  • DC pressure switch:24v pressure switch,12v pressure switch, AC 110V 120V 240V air pressure switch.
  • Turn on pressure below 70psi, Turn off reach 100psi; 70 psi pressure switch,100psi pressure switch
  • 1/4-18 NPT Male Thread: Easy connection air tank, train horn pressure switch, air ride pressure switch
  • Simplifies wiring
  • Works year-round for both heating and A/C
  • Rated for fan up to 15 amp at 120 Volt
  • Senses positive pressure from air handler blower to activate Duct Booster fans
  • Duct air pressure switch
  • Service life:100000cycles, long working life, please send email to the seller if any issue.
  • Versatile Use air pressure switch: Such as for air horn /train, air tank pressure switch
  • DC pressure switch:24v pressure switch,12v pressure switch, AC 110V 120V 240V air pressure switch.
  • Air Pressure Switch turn on if pressure below 110psi, turn off reach 140psi
  • 1/4-18 NPT Male Thread: Easy connection air tank /train/air horn, air ride pressure switch
  • Service life:100000cycles, long working life, please send email to the seller if any issue.
  • Versatile Use air pressure switch: Such as for air compressor, horn /train/ tank pressure switch
  • DC pressure switch:24v pressure switch,12v pressure switch, AC 110V 120V 240V air pressure switch
  • Air Pressure Switch turn on if pressure below 110psi, turn off reach 145psi
  • 1/8-27 NPT Male Thread: Easy connection air compressor pressure switch, air ride pressure switch

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Merrill MPS3050 Water Well Pressure Control & Air-Pump Pressure Switch, 30-50 PSI Pressure Setting, NEMA 1, Adjustable Differential,1/4" Female NPT

Search only Merrill brand name
Merrill MPS3050 Water Well Pressure Control & Air-Pump Pressure Switch, 30-50 PSI Pressure Setting, NEMA 1, Adjustable Differential,1/4

Current price: 15 USD


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  • Low Pressure Cut Off - operates approximately 10 psi below cut-in
  • Diaphragm Actuated
  • Pressure Switch used to control electrically driven motors
  • Pressure Switch - Water or Air
  • NEMA 1 enclosure has a 1/4" NPSF internal fluid connection
  • Switch works with a 1. 5 hp or less pump, has an adjustable differential range of 15-30 psi, and has a cut-out range of 20-65 psi
  • Pressure switch with 30-50 psi pressure setting range activates an electrically driven water pump within a power circuit when the adjustable rising and falling thresholds are reached
  • Service life:100000cycles, long working life, please send email to the seller if any issue.
  • Versatile Use air pressure switch: Such as for air horn /train, air tank pressure switch
  • DC pressure switch:24v pressure switch,12v pressure switch, AC 110V 120V 240V air pressure switch.
  • Turn on pressure below 70psi, Turn off reach 100psi; 70 psi pressure switch,100psi pressure switch
  • 1/4-18 NPT Male Thread: Easy connection air tank, train horn pressure switch, air ride pressure switch
  • Simplifies wiring
  • Works year-round for both heating and A/C
  • Rated for fan up to 15 amp at 120 Volt
  • Senses positive pressure from air handler blower to activate Duct Booster fans
  • Duct air pressure switch
  • Service life:100000cycles, long working life, please send email to the seller if any issue.
  • Versatile Use air pressure switch: Such as for air horn /train, air tank pressure switch
  • DC pressure switch:24v pressure switch,12v pressure switch, AC 110V 120V 240V air pressure switch.
  • Air Pressure Switch turn on if pressure below 110psi, turn off reach 140psi
  • 1/4-18 NPT Male Thread: Easy connection air tank /train/air horn, air ride pressure switch
  • Service life:100000cycles, long working life, please send email to the seller if any issue.
  • Versatile Use air pressure switch: Such as for air compressor, horn /train/ tank pressure switch
  • DC pressure switch:24v pressure switch,12v pressure switch, AC 110V 120V 240V air pressure switch
  • Air Pressure Switch turn on if pressure below 110psi, turn off reach 145psi
  • 1/8-27 NPT Male Thread: Easy connection air compressor pressure switch, air ride pressure switch
  • 1/4" Female NPT - Individaully Boxed - OEM Replacement Part
  • Horsepower Rating (1-Phase) 2HP-115VAC – 3HP-230VAC
  • Large contacts for longer servicing life open on rising pressure
  • Cut-In Pressure 30 PSI - Cut-Off Pressure 50 PSI - Adjustable
  • Standard water well pump replacement switch designed for use of electrically driven water well pumps of all types (Jets, Submersible, Reciprocating etc).

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DEWALT N003306SV Pressure Switch

Search only DEWALT brand name
DEWALT N003306SV Pressure Switch

Current price: 22.75 USD


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Height: 1 Inches

Length: 1 Inches

Width: 1 Inches

Weight: 0.23 Pounds

  • Low Pressure Cut Off - operates approximately 10 psi below cut-in
  • Diaphragm Actuated
  • Pressure Switch used to control electrically driven motors
  • Pressure Switch - Water or Air
  • NEMA 1 enclosure has a 1/4" NPSF internal fluid connection
  • Switch works with a 1. 5 hp or less pump, has an adjustable differential range of 15-30 psi, and has a cut-out range of 20-65 psi
  • Pressure switch with 30-50 psi pressure setting range activates an electrically driven water pump within a power circuit when the adjustable rising and falling thresholds are reached
  • Service life:100000cycles, long working life, please send email to the seller if any issue.
  • Versatile Use air pressure switch: Such as for air horn /train, air tank pressure switch
  • DC pressure switch:24v pressure switch,12v pressure switch, AC 110V 120V 240V air pressure switch.
  • Turn on pressure below 70psi, Turn off reach 100psi; 70 psi pressure switch,100psi pressure switch
  • 1/4-18 NPT Male Thread: Easy connection air tank, train horn pressure switch, air ride pressure switch
  • Simplifies wiring
  • Works year-round for both heating and A/C
  • Rated for fan up to 15 amp at 120 Volt
  • Senses positive pressure from air handler blower to activate Duct Booster fans
  • Duct air pressure switch
  • Service life:100000cycles, long working life, please send email to the seller if any issue.
  • Versatile Use air pressure switch: Such as for air horn /train, air tank pressure switch
  • DC pressure switch:24v pressure switch,12v pressure switch, AC 110V 120V 240V air pressure switch.
  • Air Pressure Switch turn on if pressure below 110psi, turn off reach 140psi
  • 1/4-18 NPT Male Thread: Easy connection air tank /train/air horn, air ride pressure switch
  • Service life:100000cycles, long working life, please send email to the seller if any issue.
  • Versatile Use air pressure switch: Such as for air compressor, horn /train/ tank pressure switch
  • DC pressure switch:24v pressure switch,12v pressure switch, AC 110V 120V 240V air pressure switch
  • Air Pressure Switch turn on if pressure below 110psi, turn off reach 145psi
  • 1/8-27 NPT Male Thread: Easy connection air compressor pressure switch, air ride pressure switch
  • 1/4" Female NPT - Individaully Boxed - OEM Replacement Part
  • Horsepower Rating (1-Phase) 2HP-115VAC – 3HP-230VAC
  • Large contacts for longer servicing life open on rising pressure
  • Cut-In Pressure 30 PSI - Cut-Off Pressure 50 PSI - Adjustable
  • Standard water well pump replacement switch designed for use of electrically driven water well pumps of all types (Jets, Submersible, Reciprocating etc).
  • This is an O.E.M. part
  • Part Number N003306SV
  • This is a DEWALT replacement part
  • OEM Part Number N003306SV
  • Fits various BLACK AND DECKER models
  • This is an O.E.M. authorized part

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Square D FSG2J21M4CP 30/50 PSI Standard Pressure Switch with Low Pressure Cutoff

Search only Square D brand name
Square D FSG2J21M4CP 30/50 PSI Standard Pressure Switch with Low Pressure Cutoff

Current price: 25.66 USD

Saving: $1.44 (5%)


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Height: 2.8 Inches

Length: 2.78 Inches

Width: 3.76 Inches

Weight: 0.9 Pounds

  • Low Pressure Cut Off - operates approximately 10 psi below cut-in
  • Diaphragm Actuated
  • Pressure Switch used to control electrically driven motors
  • Pressure Switch - Water or Air
  • NEMA 1 enclosure has a 1/4" NPSF internal fluid connection
  • Switch works with a 1. 5 hp or less pump, has an adjustable differential range of 15-30 psi, and has a cut-out range of 20-65 psi
  • Pressure switch with 30-50 psi pressure setting range activates an electrically driven water pump within a power circuit when the adjustable rising and falling thresholds are reached
  • Service life:100000cycles, long working life, please send email to the seller if any issue.
  • Versatile Use air pressure switch: Such as for air horn /train, air tank pressure switch
  • DC pressure switch:24v pressure switch,12v pressure switch, AC 110V 120V 240V air pressure switch.
  • Turn on pressure below 70psi, Turn off reach 100psi; 70 psi pressure switch,100psi pressure switch
  • 1/4-18 NPT Male Thread: Easy connection air tank, train horn pressure switch, air ride pressure switch
  • Simplifies wiring
  • Works year-round for both heating and A/C
  • Rated for fan up to 15 amp at 120 Volt
  • Senses positive pressure from air handler blower to activate Duct Booster fans
  • Duct air pressure switch
  • Service life:100000cycles, long working life, please send email to the seller if any issue.
  • Versatile Use air pressure switch: Such as for air horn /train, air tank pressure switch
  • DC pressure switch:24v pressure switch,12v pressure switch, AC 110V 120V 240V air pressure switch.
  • Air Pressure Switch turn on if pressure below 110psi, turn off reach 140psi
  • 1/4-18 NPT Male Thread: Easy connection air tank /train/air horn, air ride pressure switch
  • Service life:100000cycles, long working life, please send email to the seller if any issue.
  • Versatile Use air pressure switch: Such as for air compressor, horn /train/ tank pressure switch
  • DC pressure switch:24v pressure switch,12v pressure switch, AC 110V 120V 240V air pressure switch
  • Air Pressure Switch turn on if pressure below 110psi, turn off reach 145psi
  • 1/8-27 NPT Male Thread: Easy connection air compressor pressure switch, air ride pressure switch
  • 1/4" Female NPT - Individaully Boxed - OEM Replacement Part
  • Horsepower Rating (1-Phase) 2HP-115VAC – 3HP-230VAC
  • Large contacts for longer servicing life open on rising pressure
  • Cut-In Pressure 30 PSI - Cut-Off Pressure 50 PSI - Adjustable
  • Standard water well pump replacement switch designed for use of electrically driven water well pumps of all types (Jets, Submersible, Reciprocating etc).
  • This is an O.E.M. part
  • Part Number N003306SV
  • This is a DEWALT replacement part
  • OEM Part Number N003306SV
  • Fits various BLACK AND DECKER models
  • This is an O.E.M. authorized part
  • For electrically driven water pumps
  • For use with submersible well pumps or as a replacement switch
  • Turns on at 30 psi and off at 50 psi
  • 1/4" - 18 NPSF internal thread opening
  • For use with water-supply systems

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Air Pressure Switch 90-120 PSI Pressure Switch 1/8"-27 NPT DC 24V 12V Pressure Switch Air Compressor Pressure Switch 120PSI Pressure Switch 90 PSI Pressure Switch

Search only FanWayer brand name
Air Pressure Switch 90-120 PSI Pressure Switch 1/8

Current price: 11.9 USD


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  • Low Pressure Cut Off - operates approximately 10 psi below cut-in
  • Diaphragm Actuated
  • Pressure Switch used to control electrically driven motors
  • Pressure Switch - Water or Air
  • NEMA 1 enclosure has a 1/4" NPSF internal fluid connection
  • Switch works with a 1. 5 hp or less pump, has an adjustable differential range of 15-30 psi, and has a cut-out range of 20-65 psi
  • Pressure switch with 30-50 psi pressure setting range activates an electrically driven water pump within a power circuit when the adjustable rising and falling thresholds are reached
  • Service life:100000cycles, long working life, please send email to the seller if any issue.
  • Versatile Use air pressure switch: Such as for air horn /train, air tank pressure switch
  • DC pressure switch:24v pressure switch,12v pressure switch, AC 110V 120V 240V air pressure switch.
  • Turn on pressure below 70psi, Turn off reach 100psi; 70 psi pressure switch,100psi pressure switch
  • 1/4-18 NPT Male Thread: Easy connection air tank, train horn pressure switch, air ride pressure switch
  • Simplifies wiring
  • Works year-round for both heating and A/C
  • Rated for fan up to 15 amp at 120 Volt
  • Senses positive pressure from air handler blower to activate Duct Booster fans
  • Duct air pressure switch
  • Service life:100000cycles, long working life, please send email to the seller if any issue.
  • Versatile Use air pressure switch: Such as for air horn /train, air tank pressure switch
  • DC pressure switch:24v pressure switch,12v pressure switch, AC 110V 120V 240V air pressure switch.
  • Air Pressure Switch turn on if pressure below 110psi, turn off reach 140psi
  • 1/4-18 NPT Male Thread: Easy connection air tank /train/air horn, air ride pressure switch
  • Service life:100000cycles, long working life, please send email to the seller if any issue.
  • Versatile Use air pressure switch: Such as for air compressor, horn /train/ tank pressure switch
  • DC pressure switch:24v pressure switch,12v pressure switch, AC 110V 120V 240V air pressure switch
  • Air Pressure Switch turn on if pressure below 110psi, turn off reach 145psi
  • 1/8-27 NPT Male Thread: Easy connection air compressor pressure switch, air ride pressure switch
  • 1/4" Female NPT - Individaully Boxed - OEM Replacement Part
  • Horsepower Rating (1-Phase) 2HP-115VAC – 3HP-230VAC
  • Large contacts for longer servicing life open on rising pressure
  • Cut-In Pressure 30 PSI - Cut-Off Pressure 50 PSI - Adjustable
  • Standard water well pump replacement switch designed for use of electrically driven water well pumps of all types (Jets, Submersible, Reciprocating etc).
  • This is an O.E.M. part
  • Part Number N003306SV
  • This is a DEWALT replacement part
  • OEM Part Number N003306SV
  • Fits various BLACK AND DECKER models
  • This is an O.E.M. authorized part
  • For electrically driven water pumps
  • For use with submersible well pumps or as a replacement switch
  • Turns on at 30 psi and off at 50 psi
  • 1/4" - 18 NPSF internal thread opening
  • For use with water-supply systems
  • Service life:100000cycles, long working life, please send email to the seller if any issue.
  • Versatile Use air pressure switch: Such as for air compressor, horn /train/ tank pressure switch
  • DC pressure switch:24v pressure switch,12v pressure switch, AC 110V 120V 240V air pressure switch.
  • Air Pressure Switch turn on if pressure below 90psi, turn off reach 120psi
  • 1/8-27 NPT Male Thread: Easy connection air tank /train/air horn, air ride pressure switch

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