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 1900-5-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	2 to 3 Weeks

Qty:

Sale Price	$181.35 CAD
Regular Price	$195.00 CAD
Availability	2 to 3 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 1950-00-2F Explosion-Proof Differential Pressure Switch, 0.07 to 0.15" w.c.
Model: 1950-00-2F

Sale Price	$562.65 CAD
Regular Price	$605.00 CAD
Availability	2 to 3 Weeks

Qty:

Sale Price	$562.65 CAD
Regular Price	$605.00 CAD
Availability	2 to 3 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 1900-5-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

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

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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 1950-00-2F Explosion-Proof Differential Pressure Switch, 0.07 to 0.15" w.c. Model: 1950-00-2F

Qty:

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 1950-00-2F Explosion-Proof Differential Pressure Switch, 0.07 to 0.15" w.c.
Model: 1950-00-2F

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