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 905 products

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	1 in Stock

Qty:

Sale Price	$133.92 CAD
Regular Price	$144.00 CAD
Availability	1 in Stock
Quantity	Quantity

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

Sale Price	$126.48 CAD
Regular Price	$136.00 CAD
Availability	1 in Stock

Qty:

Sale Price	$126.48 CAD
Regular Price	$136.00 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	$548.70 CAD
Regular Price	$590.00 CAD
Availability	1 in Stock

Qty:

Sale Price	$548.70 CAD
Regular Price	$590.00 CAD
Availability	1 in Stock
Quantity	Quantity

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

Sale Price	$548.70 CAD
Regular Price	$590.00 CAD
Availability	1 in Stock

Qty:

Sale Price	$548.70 CAD
Regular Price	$590.00 CAD
Availability	1 in Stock
Quantity	Quantity

Dwyer 3010MR Photohelic Differential Pressure Switch/Gauge (0-10"w.c.)
Model: 3010MR

Sale Price	$1045.32 CAD
Regular Price	$1124.00 CAD
Availability	1 in Stock

Qty:

Sale Price	$1045.32 CAD
Regular Price	$1124.00 CAD
Availability	1 in Stock
Quantity	Quantity

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

Sale Price	$1097.40 CAD
Regular Price	$1180.00 CAD
Availability	1 in Stock

Qty:

Sale Price	$1097.40 CAD
Regular Price	$1180.00 CAD
Availability	1 in Stock
Quantity	Quantity

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	$337.77 CAD
Regular Price	$417.00 CAD
Availability	1 in Stock

Qty:

Sale Price	$337.77 CAD
Regular Price	$417.00 CAD
Availability	1 in Stock
Quantity	Quantity

Dwyer 1630 Series Large Diaphragm Pressure Switches

This high precision large diaphragm pressure switch incorporates a visible set point indicator for maximum convenience. UL and CSA listed, FM approved for general service, these switches are suitable for most applications in air conditioning and industrial service. Electrical capability of 15 amps handles most small electrical loads.

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Dwyer 1638-0 Large Diaphragm Pressure Switch (0.05-0.25"w.c.)
Model: 1638-0

Sale Price	$850.02 CAD
Regular Price	$914.00 CAD
Availability	6 to 7 Weeks

Qty:

Sale Price	$850.02 CAD
Regular Price	$914.00 CAD
Availability	6 to 7 Weeks
Quantity	Quantity

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

Sale Price	$850.02 CAD
Regular Price	$914.00 CAD
Availability	15+ Weeks

Qty:

Sale Price	$850.02 CAD
Regular Price	$914.00 CAD
Availability	15+ Weeks
Quantity	Quantity

Dwyer 1823-00 Low Differential Pressure Switch, 0.07-0.22" w.c.
Model: 1823-00

Sale Price	$188.79 CAD
Regular Price	$203.00 CAD
Availability	5 Days

Qty:

Sale Price	$188.79 CAD
Regular Price	$203.00 CAD
Availability	5 Days
Quantity	Quantity

Dwyer 1823-10 Low Differential Pressure Switch, 2.0-10" w.c.
Model: 1823-10

Sale Price	$179.49 CAD
Regular Price	$193.00 CAD
Availability	5 to 6 Weeks

Qty:

Sale Price	$179.49 CAD
Regular Price	$193.00 CAD
Availability	5 to 6 Weeks
Quantity	Quantity

Dwyer 1900-5-MR Differential Pressure Switch 3.0-11.75"w.c.) with Manual reset
Model: 1900-5-MR

Sale Price	$200.88 CAD
Regular Price	$216.00 CAD
Availability	9 to 10 Weeks

Qty:

Sale Price	$200.88 CAD
Regular Price	$216.00 CAD
Availability	9 to 10 Weeks
Quantity	Quantity

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

Sale Price	$126.48 CAD
Regular Price	$136.00 CAD
Availability	13 to 14 Weeks

Qty:

Sale Price	$126.48 CAD
Regular Price	$136.00 CAD
Availability	13 to 14 Weeks
Quantity	Quantity

Dwyer 1910-20 Differential Pressure Switch (4.0-20"w.c.)
Model: 1910-20

Sale Price	$126.48 CAD
Regular Price	$136.00 CAD
Availability	12 to 13 Weeks

Qty:

Sale Price	$126.48 CAD
Regular Price	$136.00 CAD
Availability	12 to 13 Weeks
Quantity	Quantity

Dwyer 1950P-2-2F Explosion-Proof Differential Pressure Switch (0.5-2.0 psid)
Model: 1950P-2-2F

Sale Price	$628.68 CAD
Regular Price	$676.00 CAD
Availability	1 to 2 Weeks

Qty:

Sale Price	$628.68 CAD
Regular Price	$676.00 CAD
Availability	1 to 2 Weeks
Quantity	Quantity

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

Sale Price	$1097.40 CAD
Regular Price	$1180.00 CAD
Availability	1 to 2 Weeks

Qty:

Sale Price	$1097.40 CAD
Regular Price	$1180.00 CAD
Availability	1 to 2 Weeks
Quantity	Quantity

Dwyer ADPS Series Differential Pressure Switches

Designed for pressure, vacuum, and differential pressures. The dual scaled adjustment knob in inches water column and pascals allows changes to the switching pressure to be made without a pressure gauge. The ADPS/EDPS is available with settings from 0.08 in w.c. (20 Pa) up to 20 in w.c. (5000 Pa).

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Dwyer ADPS-03-2-N Adjustable Differential Pressure Switch (.2 to 2" w.c.)
Model: ADPS-03-2-N

Sale Price	$44.64 CAD
Regular Price	$48.00 CAD
Availability	3 to 4 Weeks

Qty:

Sale Price	$44.64 CAD
Regular Price	$48.00 CAD
Availability	3 to 4 Weeks
Quantity	Quantity

Dwyer ADPS-05-2-N Adjustable Differential Pressure Switch (.8 to 4" w.c.)
Model: ADPS-05-2-N

Sale Price	$44.64 CAD
Regular Price	$48.00 CAD
Availability	1 to 2 Weeks

Qty:

Sale Price	$44.64 CAD
Regular Price	$48.00 CAD
Availability	1 to 2 Weeks
Quantity	Quantity

Showing 21 to 40 of 905 products

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Pressure Switches

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

Qty:

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

Qty:

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

Qty:

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

Qty:

Dwyer 3010MR Photohelic Differential Pressure Switch/Gauge (0-10"w.c.) Model: 3010MR

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

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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 1630 Series Large Diaphragm Pressure Switches

Dwyer 1638-0 Large Diaphragm Pressure Switch (0.05-0.25"w.c.) Model: 1638-0

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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 1823-00 Low Differential Pressure Switch, 0.07-0.22" w.c. Model: 1823-00

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Dwyer 1823-10 Low Differential Pressure Switch, 2.0-10" w.c. Model: 1823-10

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Dwyer 1900-5-MR Differential Pressure Switch 3.0-11.75"w.c.) with Manual reset Model: 1900-5-MR

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

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Dwyer 1910-20 Differential Pressure Switch (4.0-20"w.c.) Model: 1910-20

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Dwyer 1950P-2-2F Explosion-Proof Differential Pressure Switch (0.5-2.0 psid) Model: 1950P-2-2F

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

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Dwyer ADPS Series Differential Pressure Switches

Dwyer ADPS-03-2-N Adjustable Differential Pressure Switch (.2 to 2" w.c.) Model: ADPS-03-2-N

Qty:

Dwyer ADPS-05-2-N Adjustable Differential Pressure Switch (.8 to 4" w.c.) Model: ADPS-05-2-N

Qty:

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

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

Dwyer 3010MR Photohelic Differential Pressure Switch/Gauge (0-10"w.c.)
Model: 3010MR

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

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

Dwyer 1638-0 Large Diaphragm Pressure Switch (0.05-0.25"w.c.)
Model: 1638-0

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

Dwyer 1823-00 Low Differential Pressure Switch, 0.07-0.22" w.c.
Model: 1823-00

Dwyer 1823-10 Low Differential Pressure Switch, 2.0-10" w.c.
Model: 1823-10

Dwyer 1900-5-MR Differential Pressure Switch 3.0-11.75"w.c.) with Manual reset
Model: 1900-5-MR

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

Dwyer 1910-20 Differential Pressure Switch (4.0-20"w.c.)
Model: 1910-20

Dwyer 1950P-2-2F Explosion-Proof Differential Pressure Switch (0.5-2.0 psid)
Model: 1950P-2-2F

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

Dwyer ADPS-03-2-N Adjustable Differential Pressure Switch (.2 to 2" w.c.)
Model: ADPS-03-2-N

Dwyer ADPS-05-2-N Adjustable Differential Pressure Switch (.8 to 4" w.c.)
Model: ADPS-05-2-N