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Pressure Switches

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Find a pressure switch for your HVAC system, exhaust system, water pump, gas furnace and other types of equipment. Whether you're in the market for a differential switch, single switch or vacuum switch, a host of models are available that suit your desired pressure range and indoor/outdoor location.

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Differential Switches

Differential Switches

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Single Switches

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Vacuum Switches

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Differential Switches

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Showing 281 to 300 of 909 products

Dwyer A3302 Photohelic Pressure Switch/Gauge (1-0-1"w.c.)-

Dwyer A3302 Photohelic Pressure Switch/Gauge (1-0-1"w.c.)
Model: A3302

Sale Price $733.88 USD
Regular Price $802.05 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $733.88 USD
Regular Price $802.05 USD
Availability 1 to 2 Weeks
Quantity

Dwyer A3304 Photohelic Pressure Switch/Gauge (2-0-2"w.c.)-

Dwyer A3304 Photohelic Pressure Switch/Gauge (2-0-2"w.c.)
Model: A3304

Sale Price $733.88 USD
Regular Price $802.05 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $733.88 USD
Regular Price $802.05 USD
Availability 2 to 3 Weeks
Quantity

Dwyer A3310 Photohelic Pressure Switch/Gauge (5-0-5"w.c.)-

Dwyer A3310 Photohelic Pressure Switch/Gauge (5-0-5"w.c.)
Model: A3310

Sale Price $733.88 USD
Regular Price $802.05 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $733.88 USD
Regular Price $802.05 USD
Availability 1 to 2 Weeks
Quantity

Dwyer A3320 Photohelic Pressure Switch/Gauge (10-0-10"w.c.)-

Dwyer A3320 Photohelic Pressure Switch/Gauge (10-0-10"w.c.)
Model: A3320

Sale Price $733.88 USD
Regular Price $802.05 USD
Availability 9 to 10 Weeks

Qty:

Sale Price $733.88 USD
Regular Price $802.05 USD
Availability 9 to 10 Weeks
Quantity

Dwyer A3330 Photohelic Pressure Switch/Gauge (15-0-15"w.c.)-

Dwyer A3330 Photohelic Pressure Switch/Gauge (15-0-15"w.c.)
Model: A3330

Sale Price $733.88 USD
Regular Price $802.05 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $733.88 USD
Regular Price $802.05 USD
Availability 3 to 4 Weeks
Quantity

Ashcroft PPAN7HB25XC8 30IW PP-Series Pressure Switch with NEMA 7 Enclosure, Adjustable Deadband, 30 inH2O-

Ashcroft PPAN7HB25XC8 30IW PP-Series Pressure Switch with NEMA 7 Enclosure, Adjustable Deadband, 30 inH2O
Model: PPAN7HB25XC8 30IW | Order No: PPAN7HB25XC830IW

Sale Price $713.32 USD
Regular Price $797.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $713.32 USD
Regular Price $797.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft PPAN7HB25XC8 60IW PP-Series Pressure Switch with NEMA 7 Enclosure, Adjustable Deadband, 60 inH2O-

Ashcroft PPAN7HB25XC8 60IW PP-Series Pressure Switch with NEMA 7 Enclosure, Adjustable Deadband, 60 inH2O
Model: PPAN7HB25XC8 60IW | Order No: PPAN7HB25XC860IW

Sale Price $713.32 USD
Regular Price $797.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $713.32 USD
Regular Price $797.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft PPAN7HB25XC8 100IW PP-Series Pressure Switch with NEMA 7 Enclosure, Adjustable Deadband, 100 inH2O-

Ashcroft PPAN7HB25XC8 100IW PP-Series Pressure Switch with NEMA 7 Enclosure, Adjustable Deadband, 100 inH2O
Model: PPAN7HB25XC8 100IW | Order No: PPAN7HB25XC8100IW

Sale Price $713.32 USD
Regular Price $797.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $713.32 USD
Regular Price $797.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft PPAN7HB25XC8 150IW PP-Series Pressure Switch with NEMA 7 Enclosure, Adjustable Deadband, 150 inH2O-

Ashcroft PPAN7HB25XC8 150IW PP-Series Pressure Switch with NEMA 7 Enclosure, Adjustable Deadband, 150 inH2O
Model: PPAN7HB25XC8 150IW | Order No: PPAN7HB25XC8150IW

Sale Price $713.32 USD
Regular Price $797.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $713.32 USD
Regular Price $797.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft PPDN7GGB25XC8 30IW PP-Series Pressure Switch with NEMA 7 Enclosure, 2 Set Points, 30 inH2O-

Ashcroft PPDN7GGB25XC8 30IW PP-Series Pressure Switch with NEMA 7 Enclosure, 2 Set Points, 30 inH2O
Model: PPDN7GGB25XC8 30IW | Order No: PPDN7GGB25XC830IW

Sale Price $713.32 USD
Regular Price $797.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $713.32 USD
Regular Price $797.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft PPDN7GGB25XC8 100IW PP-Series Pressure Switch with NEMA 7 Enclosure, 2 Set Points, 100 inH2O-

Ashcroft PPDN7GGB25XC8 100IW PP-Series Pressure Switch with NEMA 7 Enclosure, 2 Set Points, 100 inH2O
Model: PPDN7GGB25XC8 100IW | Order No: PPDN7GGB25XC8100IW

Sale Price $713.32 USD
Regular Price $797.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $713.32 USD
Regular Price $797.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft PPDN7GGB25XC8 150IW PP-Series Pressure Switch with NEMA 7 Enclosure, 2 Set Points, 150 inH2O-

Ashcroft PPDN7GGB25XC8 150IW PP-Series Pressure Switch with NEMA 7 Enclosure, 2 Set Points, 150 inH2O
Model: PPDN7GGB25XC8 150IW | Order No: PPDN7GGB25XC8150IW

Sale Price $713.32 USD
Regular Price $797.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $713.32 USD
Regular Price $797.00 USD
Availability 2 to 3 Weeks
Quantity

Dwyer A3000 Series Photohelic Pressure Switch/Gauges-

Dwyer A3000 Series Photohelic Pressure Switch/Gauges

The direct reading scales eliminate troublesome conversions. The scales are brushed aluminum, coated with epoxy and the graduations are on both sides of the indicating tube. Special integral flow guides stabilize the float throughout the range to keep it from hunting or wandering in the bore. The float is highly visible against a white background.

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Dwyer A3000-0 Photohelic Pressure Switch/Gauge (0-0.5"w.c.)-

Dwyer A3000-0 Photohelic Pressure Switch/Gauge (0-0.5"w.c.)
Model: A3000-0

Sale Price $713.88 USD
Regular Price $780.20 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $713.88 USD
Regular Price $780.20 USD
Availability 1 to 2 Weeks
Quantity

Dwyer A3000-1.5KPA Photohelic Pressure Switch/Gauge (0-1.5 kPa)-

Dwyer A3000-1.5KPA Photohelic Pressure Switch/Gauge (0-1.5 kPa)
Model: A3000-1.5KPA

Sale Price $713.88 USD
Regular Price $780.20 USD
Availability 4 to 5 Weeks

Qty:

Sale Price $713.88 USD
Regular Price $780.20 USD
Availability 4 to 5 Weeks
Quantity

Dwyer A3000-3KPA Photohelic Pressure Switch/Gauge (0-3 kPa)-

Dwyer A3000-3KPA Photohelic Pressure Switch/Gauge (0-3 kPa)
Model: A3000-3KPA

Sale Price $713.88 USD
Regular Price $780.20 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $713.88 USD
Regular Price $780.20 USD
Availability 2 to 3 Weeks
Quantity

Dwyer A3001 Photohelic Pressure Switch/Gauge (0-1.0"w.c.)-

Dwyer A3001 Photohelic Pressure Switch/Gauge (0-1.0"w.c.)
Model: A3001

Sale Price $713.88 USD
Regular Price $780.20 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $713.88 USD
Regular Price $780.20 USD
Availability 2 to 3 Weeks
Quantity

Dwyer A3002 Photohelic Pressure Switch/Gauge (0-2.0"w.c.)-

Dwyer A3002 Photohelic Pressure Switch/Gauge (0-2.0"w.c.)
Model: A3002

Sale Price $713.88 USD
Regular Price $780.20 USD
Availability 1 Week

Qty:

Sale Price $713.88 USD
Regular Price $780.20 USD
Availability 1 Week
Quantity

Dwyer A3008 Photohelic Pressure Switch/Gauge (0-8.0"w.c.)-

Dwyer A3008 Photohelic Pressure Switch/Gauge (0-8.0"w.c.)
Model: A3008

Sale Price $713.88 USD
Regular Price $780.20 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $713.88 USD
Regular Price $780.20 USD
Availability 3 to 4 Weeks
Quantity

Dwyer A3010 Photohelic Pressure Switch/Gauge (0-10"w.c.)-

Dwyer A3010 Photohelic Pressure Switch/Gauge (0-10"w.c.)
Model: A3010

Sale Price $713.88 USD
Regular Price $780.20 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $713.88 USD
Regular Price $780.20 USD
Availability 3 to 4 Weeks
Quantity
Showing 281 to 300 of 909 products
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