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

Single Switches

Vacuum Switches

Differential Switches

Single Switches

Vacuum Switches

Showing 21 to 40 of 740 products

Dwyer 1900 Series Compact Low Differential Pressure Switches

For air and non-combustible compatible gases, Series 1900 switches have set points from 0.07 to 20" w.c. (1.8 to 508 mm). Set point adjustment is easy with range screw located inside conduit enclosure and prevents tampering. UL, CE and CSA listed, and FM approved.

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Dwyer 1900-5-MR Differential Pressure Switch with manual reset, 1.40 to 5.5" w.c.
Model: 1900-5-MR

Sale Price	$200.88 CAD
Regular Price	$216.00 CAD
Availability	1 in Stock

Qty:

Sale Price	$200.88 CAD
Regular Price	$216.00 CAD
Availability	1 in Stock
Quantity	Quantity

Dwyer 1910-0 Differential Pressure Switch (0.15-0.55"w.c.)
Model: 1910-0

Sale Price	$127.41 CAD
Regular Price	$137.00 CAD
Availability	1 in Stock

Qty:

Sale Price	$127.41 CAD
Regular Price	$137.00 CAD
Availability	1 in Stock
Quantity	Quantity

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

Sale Price	$562.65 CAD
Regular Price	$605.00 CAD
Availability	1 in Stock

Qty:

Sale Price	$562.65 CAD
Regular Price	$605.00 CAD
Availability	1 in Stock
Quantity	Quantity

Dwyer 1950-5-2F Explosion-Proof Differential Pressure Switch (1.4-5.5" w.c.)
Model: 1950-5-2f

Sale Price	$558.93 CAD
Regular Price	$601.00 CAD
Availability	1 in Stock

Qty:

Sale Price	$558.93 CAD
Regular Price	$601.00 CAD
Availability	1 in Stock
Quantity	Quantity

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

Sale Price	$1099.26 CAD
Regular Price	$1182.00 CAD
Availability	1 in Stock

Qty:

Sale Price	$1099.26 CAD
Regular Price	$1182.00 CAD
Availability	1 in Stock
Quantity	Quantity

Ashcroft B424B 15# B-Series Pressure Switch with NEMA 4X Enclosure, 15 psi
Model: B424B 15# | Order No: B424B15#

Sale Price	$270.54 CAD
Regular Price	$334.00 CAD
Availability	1 in Stock

Qty:

Sale Price	$270.54 CAD
Regular Price	$334.00 CAD
Availability	1 in Stock
Quantity	Quantity

Dwyer A1F Series Low Cost OEM Pressure Switches

Wetted materials of 316 SS and fluorocarbon ensure great chemical compatibility with a wide range of process media. The open case style is perfect for panel mounting applications like pump skids. Field installable weatherproof enclosure is available in polycarbonate offering a low cost weatherproof switch.

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Dwyer A1F-O-SS-1-2 OEM Pressure Switch (4-75 psig)
Model: A1F-O-SS-1-2

Sale Price	$307.83 CAD
Regular Price	$331.00 CAD
Availability	1 in Stock

Qty:

Sale Price	$307.83 CAD
Regular Price	$331.00 CAD
Availability	1 in Stock
Quantity	Quantity

Dwyer A3000-00 Photohelic Pressure Switch/Gauge (0-0.25"w.c.)
Model: A3000-00

Sale Price	$1160.64 CAD
Regular Price	$1248.00 CAD
Availability	1 in Stock

Qty:

Sale Price	$1160.64 CAD
Regular Price	$1248.00 CAD
Availability	1 in Stock
Quantity	Quantity

SPECIAL!

Dwyer A3020 Photohelic Pressure Switch/Gauge (0-20"w.c.)
Model: A3020

Sale Price	$632.42 CAD
Regular Price	$1191.00 CAD
Availability	1 in Stock

Qty:

Sale Price	$632.42 CAD
Regular Price	$1191.00 CAD
Availability	1 in Stock
Quantity	Quantity

Dwyer ADPS-06-2-N Adjustable Differential Pressure Switch (2.00 to 10.00" w.c.)
Model: ADPS-06-2-N

Sale Price	$44.64 CAD
Regular Price	$48.00 CAD
Availability	1 in Stock

Qty:

Sale Price	$44.64 CAD
Regular Price	$48.00 CAD
Availability	1 in Stock
Quantity	Quantity

SPECIAL!

Ashcroft B424B 30IWV/30IW B-Series Pressure Switch with NEMA 4X Enclosure, -30/30 inH2O
Model: B424B 30IWV/30IW | Order No: B424B30IWV/30IW

Sale Price	$328.86 CAD
Regular Price	$417.00 CAD
Availability	1 in Stock

Qty:

Sale Price	$328.86 CAD
Regular Price	$417.00 CAD
Availability	1 in Stock
Quantity	Quantity

Dwyer 1638-1 Large Diaphragm Pressure Switch (0.20-1.0"w.c.)
Model: 1638-1

Sale Price	$855.60 CAD
Regular Price	$920.00 CAD
Availability	3 to 4 Weeks

Qty:

Sale Price	$855.60 CAD
Regular Price	$920.00 CAD
Availability	3 to 4 Weeks
Quantity	Quantity

Dwyer 1823-2 Low Differential Pressure Switch, 0.5-2.0" w.c.
Model: 1823-2

Sale Price	$181.35 CAD
Regular Price	$195.00 CAD
Availability	1 to 2 Weeks

Qty:

Sale Price	$181.35 CAD
Regular Price	$195.00 CAD
Availability	1 to 2 Weeks
Quantity	Quantity

Dwyer 1910-00 Differential Pressure Switch (0.07-0.15"w.c.)
Model: 1910-00

Sale Price	$133.92 CAD
Regular Price	$144.00 CAD
Availability	5 to 6 Weeks

Qty:

Sale Price	$133.92 CAD
Regular Price	$144.00 CAD
Availability	5 to 6 Weeks
Quantity	Quantity

Dwyer 1910-1 Differential Pressure Switch (0.40-1.6"w.c.)
Model: 1910-1

Sale Price	$127.41 CAD
Regular Price	$137.00 CAD
Availability	2 to 3 Weeks

Qty:

Sale Price	$127.41 CAD
Regular Price	$137.00 CAD
Availability	2 to 3 Weeks
Quantity	Quantity

Dwyer 1910-10 Differential Pressure Switch (3.0-11.75"w.c.)
Model: 1910-10

Sale Price	$127.41 CAD
Regular Price	$137.00 CAD
Availability	2 to 3 Weeks

Qty:

Sale Price	$127.41 CAD
Regular Price	$137.00 CAD
Availability	2 to 3 Weeks
Quantity	Quantity

Dwyer 1910-5 Differential Pressure Switch (1.4-5.5"w.c.)
Model: 1910-5

Sale Price	$127.41 CAD
Regular Price	$137.00 CAD
Availability	5 to 6 Weeks

Qty:

Sale Price	$127.41 CAD
Regular Price	$137.00 CAD
Availability	5 to 6 Weeks
Quantity	Quantity

Dwyer 1950-1-2F Explosion-Proof Differential Pressure Switch, 0.4 to 1.6" w.c.
Model: 1950-1-2F

Sale Price	$562.65 CAD
Regular Price	$605.00 CAD
Availability	6 to 7 Weeks

Qty:

Sale Price	$562.65 CAD
Regular Price	$605.00 CAD
Availability	6 to 7 Weeks
Quantity	Quantity

Showing 21 to 40 of 740 products

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Pressure Switches

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Dwyer 1900 Series Compact Low Differential Pressure Switches

Dwyer 1900-5-MR Differential Pressure Switch with manual reset, 1.40 to 5.5" w.c. Model: 1900-5-MR

Qty:

Dwyer 1910-0 Differential Pressure Switch (0.15-0.55"w.c.) Model: 1910-0

Qty:

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

Qty:

Dwyer 1950-5-2F Explosion-Proof Differential Pressure Switch (1.4-5.5" w.c.) Model: 1950-5-2f

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

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Ashcroft B424B 15# B-Series Pressure Switch with NEMA 4X Enclosure, 15 psi Model: B424B 15# | Order No: B424B15#

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Dwyer A1F Series Low Cost OEM Pressure Switches

Dwyer A1F-O-SS-1-2 OEM Pressure Switch (4-75 psig) Model: A1F-O-SS-1-2

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Dwyer A3000-00 Photohelic Pressure Switch/Gauge (0-0.25"w.c.) Model: A3000-00

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Dwyer A3020 Photohelic Pressure Switch/Gauge (0-20"w.c.) Model: A3020

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Dwyer ADPS-06-2-N Adjustable Differential Pressure Switch (2.00 to 10.00" w.c.) Model: ADPS-06-2-N

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Ashcroft B424B 30IWV/30IW B-Series Pressure Switch with NEMA 4X Enclosure, -30/30 inH2O Model: B424B 30IWV/30IW | Order No: B424B30IWV/30IW

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Dwyer 1638-1 Large Diaphragm Pressure Switch (0.20-1.0"w.c.) Model: 1638-1

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Dwyer 1823-2 Low Differential Pressure Switch, 0.5-2.0" w.c. Model: 1823-2

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Dwyer 1910-00 Differential Pressure Switch (0.07-0.15"w.c.) Model: 1910-00

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Dwyer 1910-1 Differential Pressure Switch (0.40-1.6"w.c.) Model: 1910-1

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Dwyer 1910-10 Differential Pressure Switch (3.0-11.75"w.c.) Model: 1910-10

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Dwyer 1910-5 Differential Pressure Switch (1.4-5.5"w.c.) Model: 1910-5

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Dwyer 1950-1-2F Explosion-Proof Differential Pressure Switch, 0.4 to 1.6" w.c. Model: 1950-1-2F

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Dwyer 1900-5-MR Differential Pressure Switch with manual reset, 1.40 to 5.5" w.c.
Model: 1900-5-MR

Dwyer 1910-0 Differential Pressure Switch (0.15-0.55"w.c.)
Model: 1910-0

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

Dwyer 1950-5-2F Explosion-Proof Differential Pressure Switch (1.4-5.5" w.c.)
Model: 1950-5-2f

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

Ashcroft B424B 15# B-Series Pressure Switch with NEMA 4X Enclosure, 15 psi
Model: B424B 15# | Order No: B424B15#

Dwyer A1F-O-SS-1-2 OEM Pressure Switch (4-75 psig)
Model: A1F-O-SS-1-2

Dwyer A3000-00 Photohelic Pressure Switch/Gauge (0-0.25"w.c.)
Model: A3000-00

Dwyer A3020 Photohelic Pressure Switch/Gauge (0-20"w.c.)
Model: A3020

Dwyer ADPS-06-2-N Adjustable Differential Pressure Switch (2.00 to 10.00" w.c.)
Model: ADPS-06-2-N

Ashcroft B424B 30IWV/30IW B-Series Pressure Switch with NEMA 4X Enclosure, -30/30 inH2O
Model: B424B 30IWV/30IW | Order No: B424B30IWV/30IW

Dwyer 1638-1 Large Diaphragm Pressure Switch (0.20-1.0"w.c.)
Model: 1638-1

Dwyer 1823-2 Low Differential Pressure Switch, 0.5-2.0" w.c.
Model: 1823-2

Dwyer 1910-00 Differential Pressure Switch (0.07-0.15"w.c.)
Model: 1910-00

Dwyer 1910-1 Differential Pressure Switch (0.40-1.6"w.c.)
Model: 1910-1

Dwyer 1910-10 Differential Pressure Switch (3.0-11.75"w.c.)
Model: 1910-10

Dwyer 1910-5 Differential Pressure Switch (1.4-5.5"w.c.)
Model: 1910-5

Dwyer 1950-1-2F Explosion-Proof Differential Pressure Switch, 0.4 to 1.6" w.c.
Model: 1950-1-2F