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

Single Switches

Single Switches

Vacuum Switches

Vacuum Switches

Differential Switches

Differential Switches

Single Switches

Single Switches

Vacuum Switches

Vacuum Switches

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Showing 1 to 20 of 907 products

Dwyer 1950-10-2F Explosion-Proof Differential Pressure Switch, 3 to 11" w.c.-

Dwyer 1950-10-2F Explosion-Proof Differential Pressure Switch, 3 to 11" w.c.
Model: 1950-10-2F

Sale Price $356.58 USD
Regular Price $389.70 USD
Availability 2 in Stock

Qty:

Sale Price $356.58 USD
Regular Price $389.70 USD
Availability 2 in Stock
Quantity

Dwyer 1950 Series Explosion-proof Differential Pressure Switches-

Dwyer 1950 Series Explosion-proof Differential Pressure Switches

CE, UL and CSA listed, FM approved for use in Class I, Div 1, Groups C and D, Class II Groups E, F, and G and Class III hazardous atmospheres NEMA 7 & 9. Raintight NEMA 3 (IP54). Weatherproof features include a drain plug and O-ring seal in cover. Series offers set points from 0.03 to 20" w.c. (7.5 to 5 kPa) and from 0.5 to 60 psi (0.035 to 3.5 bar).

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Dwyer 1950-0-2F Explosion-Proof Differential Pressure Switch (.15-.50" w.c)-

Dwyer 1950-0-2F Explosion-Proof Differential Pressure Switch (.15-.50" w.c)
Model: 1950-0-2F

Sale Price $356.58 USD
Regular Price $389.70 USD
Availability 1 in Stock

Qty:

Sale Price $356.58 USD
Regular Price $389.70 USD
Availability 1 in Stock
Quantity

Dwyer 1950-20-2F Explosion-Proof Differential Pressure Switch (4.0-20" w.c.)-

Dwyer 1950-20-2F Explosion-Proof Differential Pressure Switch (4.0-20" w.c.)
Model: 1950-20-2F

Sale Price $356.58 USD
Regular Price $389.70 USD
Availability 1 in Stock

Qty:

Sale Price $356.58 USD
Regular Price $389.70 USD
Availability 1 in Stock
Quantity

Dwyer A6-553221 Pressure Switch, 14-24 ±3 psi (0.97-1.65 ±0.21 bar), 304SS-

Dwyer A6-553221 Pressure Switch, 14-24 ±3 psi (0.97-1.65 ±0.21 bar), 304SS
Model: A6-553221

Sale Price $35.09 USD
Regular Price $38.35 USD
Availability 1 in Stock

Qty:

Sale Price $35.09 USD
Regular Price $38.35 USD
Availability 1 in Stock
Quantity

Dwyer A6 Series Pressure Switches-

Dwyer A6 Series Pressure Switches

Simple, setpoint field adjustment. Excellent setpoint integrity.

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Dwyer A3003 Photohelic Pressure Switch/Gauge (0-3.0"w.c.)-

Dwyer A3003 Photohelic Pressure Switch/Gauge (0-3.0"w.c.)
Model: A3003

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

Ashcroft D424B 30IWD D-Series Differential Pressure Switch with NEMA 4X Enclosure, 30 inH2O-

Ashcroft D424B 30IWD D-Series Differential Pressure Switch with NEMA 4X Enclosure, 30 inH2O
Model: D424B 30IWD | Order No: D424B30IWD

Sale Price $451.08 USD
Regular Price $504.00 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $451.08 USD
Regular Price $504.00 USD
Availability 3 to 4 Weeks
Quantity

Ashcroft D424B 60IWD D-Series Differential Pressure Switch with NEMA 4X Enclosure, 60 inH2O-

Ashcroft D424B 60IWD D-Series Differential Pressure Switch with NEMA 4X Enclosure, 60 inH2O
Model: D424B 60IWD | Order No: D424B60IWD

Sale Price $451.08 USD
Regular Price $504.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $451.08 USD
Regular Price $504.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft D424B 100IWD D-Series Differential Pressure Switch with NEMA 4X Enclosure, 100 inH2O-

Ashcroft D424B 100IWD D-Series Differential Pressure Switch with NEMA 4X Enclosure, 100 inH2O
Model: D424B 100IWD | Order No: D424B100IWD

Sale Price $451.08 USD
Regular Price $504.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $451.08 USD
Regular Price $504.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft D424B 150IWD D-Series Differential Pressure Switch with NEMA 4X Enclosure, 150 inH2O-

Ashcroft D424B 150IWD D-Series Differential Pressure Switch with NEMA 4X Enclosure, 150 inH2O
Model: D424B 150IWD | Order No: D424B150IWD

Sale Price $451.08 USD
Regular Price $504.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $451.08 USD
Regular Price $504.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft D424B 15#D D-Series Differential Pressure Switch with NEMA 4X Enclosure, 15 psi-

Ashcroft D424B 15#D D-Series Differential Pressure Switch with NEMA 4X Enclosure, 15 psi
Model: D424B 15#D | Order No: D424B15#D

Sale Price $503.89 USD
Regular Price $563.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $503.89 USD
Regular Price $563.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft D424B 30#D D-Series Differential Pressure Switch with NEMA 4X Enclosure, 30 psi-

Ashcroft D424B 30#D D-Series Differential Pressure Switch with NEMA 4X Enclosure, 30 psi
Model: D424B 30#D | Order No: D424B30#D

Sale Price $503.89 USD
Regular Price $563.00 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $503.89 USD
Regular Price $563.00 USD
Availability 3 to 4 Weeks
Quantity

Ashcroft D424B 60#D D-Series Differential Pressure Switch with NEMA 4X Enclosure, 60 psi-

Ashcroft D424B 60#D D-Series Differential Pressure Switch with NEMA 4X Enclosure, 60 psi
Model: D424B 60#D | Order No: D424B60#D

Sale Price $503.89 USD
Regular Price $563.00 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $503.89 USD
Regular Price $563.00 USD
Availability 3 to 4 Weeks
Quantity

Ashcroft D424B 100#D D-Series Differential Pressure Switch with NEMA 4X Enclosure, 100 psi-

Ashcroft D424B 100#D D-Series Differential Pressure Switch with NEMA 4X Enclosure, 100 psi
Model: D424B 100#D | Order No: D424B100#D

Sale Price $503.89 USD
Regular Price $563.00 USD
Availability 7 to 8 Weeks

Qty:

Sale Price $503.89 USD
Regular Price $563.00 USD
Availability 7 to 8 Weeks
Quantity

Ashcroft D424B 200#D D-Series Differential Pressure Switch with NEMA 4X Enclosure, 200 psi-

Ashcroft D424B 200#D D-Series Differential Pressure Switch with NEMA 4X Enclosure, 200 psi
Model: D424B 200#D | Order No: D424B200#D

Sale Price $503.89 USD
Regular Price $563.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $503.89 USD
Regular Price $563.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft D424B 400#D D-Series Differential Pressure Switch with NEMA 4X Enclosure, 400 psi-

Ashcroft D424B 400#D D-Series Differential Pressure Switch with NEMA 4X Enclosure, 400 psi
Model: D424B 400#D | Order No: D424B400#D

Sale Price $503.89 USD
Regular Price $563.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $503.89 USD
Regular Price $563.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft D424B 600#D D-Series Differential Pressure Switch with NEMA 4X Enclosure, 600 psi-

Ashcroft D424B 600#D D-Series Differential Pressure Switch with NEMA 4X Enclosure, 600 psi
Model: D424B 600#D | Order No: D424B600#D

Sale Price $503.89 USD
Regular Price $563.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $503.89 USD
Regular Price $563.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft D724BXC8 30IWD D-Series Differential Pressure Switch with NEMA 7/9 Enclosure, 30 inH2O-

Ashcroft D724BXC8 30IWD D-Series Differential Pressure Switch with NEMA 7/9 Enclosure, 30 inH2O
Model: D724BXC8 30IWD | Order No: D724BXC830IWD

Sale Price $743.75 USD
Regular Price $831.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $743.75 USD
Regular Price $831.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft D724BXC8 60IWD D-Series Differential Pressure Switch with NEMA 7/9 Enclosure, 60 inH2O-

Ashcroft D724BXC8 60IWD D-Series Differential Pressure Switch with NEMA 7/9 Enclosure, 60 inH2O
Model: D724BXC8 60IWD | Order No: D724BXC860IWD

Sale Price $743.75 USD
Regular Price $831.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $743.75 USD
Regular Price $831.00 USD
Availability 2 to 3 Weeks
Quantity
Showing 1 to 20 of 907 products
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