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 41 to 60 of 905 products

Ashcroft B424B 100# B-Series Pressure Switch with NEMA 4X Enclosure, 100 psi
Model: B424B 100# | Order No: B424B100#

Sale Price	$278.64 CAD
Regular Price	$344.00 CAD
Availability	3 to 4 Weeks

Qty:

Sale Price	$278.64 CAD
Regular Price	$344.00 CAD
Availability	3 to 4 Weeks
Quantity	Quantity

Ashcroft B424B 200# B-Series Pressure Switch with NEMA 4X Enclosure, 200 psi
Model: B424B 200# | Order No: B424B200#

Sale Price	$268.92 CAD
Regular Price	$332.00 CAD
Availability	8 to 9 Weeks

Qty:

Sale Price	$268.92 CAD
Regular Price	$332.00 CAD
Availability	8 to 9 Weeks
Quantity	Quantity

Dwyer 1000E Series Explosion-Proof Diaphragm Operated Pressure Switches

Same rugged construction as used in Series 1000W plus explosion-proof design are combined in this unit. UL listed for Class I, Groups A, B, C and D; Class II, Groups E, F and G. Bellville spring movement permits mounting of control in any position and helps prevent contact chatter. Features Visible Setpoint, Fixed Deadband, and Ranges to 1400psi.

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Dwyer 1000W Series Weatherproof Diaphragm Operated Pressure Switches

Extremely rugged construction provides excellent reliability in chemical, petroleum and industrial plants and provides high overpressure protection. Bellville spring movement permits mounting of control in any position and helps prevent contact chatter. Features Weatherproof Housing, Visible Setpoint, Fixed Deadband, and Ranges to 1400 psi.

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Dwyer 1003E-B3-J Explosion-Proof Pressure Switch (5 to 40psig) with 316SS pressure chamber & FEP diaphragm
Model: 1003E-B3-J

Sale Price	$2005.08 CAD
Regular Price	$2156.00 CAD
Availability	2 to 3 Weeks

Qty:

Sale Price	$2005.08 CAD
Regular Price	$2156.00 CAD
Availability	2 to 3 Weeks
Quantity	Quantity

Dwyer 1003W-A1-D Weatherproof Pressure Switch (5 to 40psig) with Aluminum pressure chamber & Polymide diaphragm
Model: 1003W-A1-D

Sale Price	$1145.76 CAD
Regular Price	$1232.00 CAD
Availability	5 to 6 Weeks

Qty:

Sale Price	$1145.76 CAD
Regular Price	$1232.00 CAD
Availability	5 to 6 Weeks
Quantity	Quantity

Dwyer 1003W-B3-D Weatherproof Pressure Switch (5 to 40psig) with 316SS pressure chamber & FEP diaphragm
Model: 1003W-B3-D

Sale Price	$1325.25 CAD
Regular Price	$1425.00 CAD
Availability	5 to 6 Weeks

Qty:

Sale Price	$1325.25 CAD
Regular Price	$1425.00 CAD
Availability	5 to 6 Weeks
Quantity	Quantity

Dwyer 1004E-A1-J Explosion-Proof Pressure Switch (10 to 70psig) with Aluminum pressure chamber & Polymide diaphragm
Model: 1004E-A1-J

Sale Price	$1826.52 CAD
Regular Price	$1964.00 CAD
Availability	5 to 6 Weeks

Qty:

Sale Price	$1826.52 CAD
Regular Price	$1964.00 CAD
Availability	5 to 6 Weeks
Quantity	Quantity

Dwyer 1004E-B3-J Explosion-Proof Pressure Switch (10 to 70psig) with 316SS pressure chamber & FEP diaphragm
Model: 1004E-B3-J

Sale Price	$2118.54 CAD
Regular Price	$2278.00 CAD
Availability	3 to 4 Weeks

Qty:

Sale Price	$2118.54 CAD
Regular Price	$2278.00 CAD
Availability	3 to 4 Weeks
Quantity	Quantity

Dwyer 1004W-A1-D Weatherproof Pressure Switch (10 to 70psig) with Aluminum pressure chamber & Polymide diaphragm
Model: 1004W-A1-D

Sale Price	$1145.76 CAD
Regular Price	$1232.00 CAD
Availability	2 to 3 Weeks

Qty:

Sale Price	$1145.76 CAD
Regular Price	$1232.00 CAD
Availability	2 to 3 Weeks
Quantity	Quantity

Dwyer 1004W-B3-D Weatherproof Pressure Switch (10 to 70psig) with 316SS pressure chamber & FEP diaphragm
Model: 1004W-B3-D

Sale Price	$1325.25 CAD
Regular Price	$1425.00 CAD
Availability	4 to 5 Weeks

Qty:

Sale Price	$1325.25 CAD
Regular Price	$1425.00 CAD
Availability	4 to 5 Weeks
Quantity	Quantity

Dwyer 1005E-A1-J Explosion-Proof Pressure Switch (25 to 200psig) with Aluminum pressure chamber & Polymide diaphragm
Model: 1005E-A1-J

Sale Price	$1826.52 CAD
Regular Price	$1964.00 CAD
Availability	2 to 3 Weeks

Qty:

Sale Price	$1826.52 CAD
Regular Price	$1964.00 CAD
Availability	2 to 3 Weeks
Quantity	Quantity

Dwyer 1005E-B3-J Explosion-Proof Pressure Switch (25 to 200psig) with 316SS pressure chamber & FEP diaphragm
Model: 1005E-B3-J

Sale Price	$2118.54 CAD
Regular Price	$2278.00 CAD
Availability	3 to 4 Weeks

Qty:

Sale Price	$2118.54 CAD
Regular Price	$2278.00 CAD
Availability	3 to 4 Weeks
Quantity	Quantity

Dwyer 1005W-A1-D Weatherproof Pressure Switch (25 to 200psig) with Aluminum pressure chamber & Polymide diaphragm
Model: 1005W-A1-D

Sale Price	$1145.76 CAD
Regular Price	$1232.00 CAD
Availability	6 to 7 Weeks

Qty:

Sale Price	$1145.76 CAD
Regular Price	$1232.00 CAD
Availability	6 to 7 Weeks
Quantity	Quantity

Dwyer 1005W-B3-D Weatherproof Pressure Switch (25 to 200psig) with 316SS pressure chamber & FEP diaphragm
Model: 1005W-B3-D

Sale Price	$1325.25 CAD
Regular Price	$1425.00 CAD
Availability	3 to 4 Weeks

Qty:

Sale Price	$1325.25 CAD
Regular Price	$1425.00 CAD
Availability	3 to 4 Weeks
Quantity	Quantity

Dwyer 1006E-A1-J Explosion-Proof Pressure Switch (50 to 350psig) with Aluminum pressure chamber & Polymide diaphragm
Model: 1006E-A1-J

Sale Price	$1826.52 CAD
Regular Price	$1964.00 CAD
Availability	2 to 3 Weeks

Qty:

Sale Price	$1826.52 CAD
Regular Price	$1964.00 CAD
Availability	2 to 3 Weeks
Quantity	Quantity

Dwyer 1006E-B3-J Explosion-Proof Pressure Switch (50 to 350psig) with 316SS pressure chamber & FEP diaphragm
Model: 1006E-B3-J

Sale Price	$2118.54 CAD
Regular Price	$2278.00 CAD
Availability	2 to 3 Weeks

Qty:

Sale Price	$2118.54 CAD
Regular Price	$2278.00 CAD
Availability	2 to 3 Weeks
Quantity	Quantity

Dwyer 1006W-A1-D Weatherproof Pressure Switch (50 to 350psig) with Aluminum pressure chamber & Polymide diaphragm
Model: 1006W-A1-D

Sale Price	$1145.76 CAD
Regular Price	$1232.00 CAD
Availability	2 to 3 Weeks

Qty:

Sale Price	$1145.76 CAD
Regular Price	$1232.00 CAD
Availability	2 to 3 Weeks
Quantity	Quantity

Dwyer 1006W-B3-D Weatherproof Pressure Switch (50 to 350psig) with 316SS pressure chamber & FEP diaphragm
Model: 1006W-B3-D

Sale Price	$1399.65 CAD
Regular Price	$1505.00 CAD
Availability	2 to 3 Weeks

Qty:

Sale Price	$1399.65 CAD
Regular Price	$1505.00 CAD
Availability	2 to 3 Weeks
Quantity	Quantity

Dwyer 1007E-A1-J Explosion-Proof Pressure Switch (75 to 550psig) with Aluminum pressure chamber & Polymide diaphragm
Model: 1007E-A1-J

Sale Price	$1826.52 CAD
Regular Price	$1964.00 CAD
Availability	2 to 3 Weeks

Qty:

Sale Price	$1826.52 CAD
Regular Price	$1964.00 CAD
Availability	2 to 3 Weeks
Quantity	Quantity

Showing 41 to 60 of 905 products

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Pressure Switches

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Ashcroft B424B 100# B-Series Pressure Switch with NEMA 4X Enclosure, 100 psi Model: B424B 100# | Order No: B424B100#

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Ashcroft B424B 200# B-Series Pressure Switch with NEMA 4X Enclosure, 200 psi Model: B424B 200# | Order No: B424B200#

Qty:

Dwyer 1000E Series Explosion-Proof Diaphragm Operated Pressure Switches

Dwyer 1000W Series Weatherproof Diaphragm Operated Pressure Switches

Dwyer 1003E-B3-J Explosion-Proof Pressure Switch (5 to 40psig) with 316SS pressure chamber & FEP diaphragm Model: 1003E-B3-J

Qty:

Dwyer 1003W-A1-D Weatherproof Pressure Switch (5 to 40psig) with Aluminum pressure chamber & Polymide diaphragm Model: 1003W-A1-D

Qty:

Dwyer 1003W-B3-D Weatherproof Pressure Switch (5 to 40psig) with 316SS pressure chamber & FEP diaphragm Model: 1003W-B3-D

Qty:

Dwyer 1004E-A1-J Explosion-Proof Pressure Switch (10 to 70psig) with Aluminum pressure chamber & Polymide diaphragm Model: 1004E-A1-J

Qty:

Dwyer 1004E-B3-J Explosion-Proof Pressure Switch (10 to 70psig) with 316SS pressure chamber & FEP diaphragm Model: 1004E-B3-J

Qty:

Dwyer 1004W-A1-D Weatherproof Pressure Switch (10 to 70psig) with Aluminum pressure chamber & Polymide diaphragm Model: 1004W-A1-D

Qty:

Dwyer 1004W-B3-D Weatherproof Pressure Switch (10 to 70psig) with 316SS pressure chamber & FEP diaphragm Model: 1004W-B3-D

Qty:

Dwyer 1005E-A1-J Explosion-Proof Pressure Switch (25 to 200psig) with Aluminum pressure chamber & Polymide diaphragm Model: 1005E-A1-J

Qty:

Dwyer 1005E-B3-J Explosion-Proof Pressure Switch (25 to 200psig) with 316SS pressure chamber & FEP diaphragm Model: 1005E-B3-J

Qty:

Dwyer 1005W-A1-D Weatherproof Pressure Switch (25 to 200psig) with Aluminum pressure chamber & Polymide diaphragm Model: 1005W-A1-D

Qty:

Dwyer 1005W-B3-D Weatherproof Pressure Switch (25 to 200psig) with 316SS pressure chamber & FEP diaphragm Model: 1005W-B3-D

Qty:

Dwyer 1006E-A1-J Explosion-Proof Pressure Switch (50 to 350psig) with Aluminum pressure chamber & Polymide diaphragm Model: 1006E-A1-J

Qty:

Dwyer 1006E-B3-J Explosion-Proof Pressure Switch (50 to 350psig) with 316SS pressure chamber & FEP diaphragm Model: 1006E-B3-J

Qty:

Dwyer 1006W-A1-D Weatherproof Pressure Switch (50 to 350psig) with Aluminum pressure chamber & Polymide diaphragm Model: 1006W-A1-D

Qty:

Dwyer 1006W-B3-D Weatherproof Pressure Switch (50 to 350psig) with 316SS pressure chamber & FEP diaphragm Model: 1006W-B3-D

Qty:

Dwyer 1007E-A1-J Explosion-Proof Pressure Switch (75 to 550psig) with Aluminum pressure chamber & Polymide diaphragm Model: 1007E-A1-J

Qty:

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Ashcroft B424B 100# B-Series Pressure Switch with NEMA 4X Enclosure, 100 psi
Model: B424B 100# | Order No: B424B100#

Ashcroft B424B 200# B-Series Pressure Switch with NEMA 4X Enclosure, 200 psi
Model: B424B 200# | Order No: B424B200#

Dwyer 1003E-B3-J Explosion-Proof Pressure Switch (5 to 40psig) with 316SS pressure chamber & FEP diaphragm
Model: 1003E-B3-J

Dwyer 1003W-A1-D Weatherproof Pressure Switch (5 to 40psig) with Aluminum pressure chamber & Polymide diaphragm
Model: 1003W-A1-D

Dwyer 1003W-B3-D Weatherproof Pressure Switch (5 to 40psig) with 316SS pressure chamber & FEP diaphragm
Model: 1003W-B3-D

Dwyer 1004E-A1-J Explosion-Proof Pressure Switch (10 to 70psig) with Aluminum pressure chamber & Polymide diaphragm
Model: 1004E-A1-J

Dwyer 1004E-B3-J Explosion-Proof Pressure Switch (10 to 70psig) with 316SS pressure chamber & FEP diaphragm
Model: 1004E-B3-J

Dwyer 1004W-A1-D Weatherproof Pressure Switch (10 to 70psig) with Aluminum pressure chamber & Polymide diaphragm
Model: 1004W-A1-D

Dwyer 1004W-B3-D Weatherproof Pressure Switch (10 to 70psig) with 316SS pressure chamber & FEP diaphragm
Model: 1004W-B3-D

Dwyer 1005E-A1-J Explosion-Proof Pressure Switch (25 to 200psig) with Aluminum pressure chamber & Polymide diaphragm
Model: 1005E-A1-J

Dwyer 1005E-B3-J Explosion-Proof Pressure Switch (25 to 200psig) with 316SS pressure chamber & FEP diaphragm
Model: 1005E-B3-J

Dwyer 1005W-A1-D Weatherproof Pressure Switch (25 to 200psig) with Aluminum pressure chamber & Polymide diaphragm
Model: 1005W-A1-D

Dwyer 1005W-B3-D Weatherproof Pressure Switch (25 to 200psig) with 316SS pressure chamber & FEP diaphragm
Model: 1005W-B3-D

Dwyer 1006E-A1-J Explosion-Proof Pressure Switch (50 to 350psig) with Aluminum pressure chamber & Polymide diaphragm
Model: 1006E-A1-J

Dwyer 1006E-B3-J Explosion-Proof Pressure Switch (50 to 350psig) with 316SS pressure chamber & FEP diaphragm
Model: 1006E-B3-J

Dwyer 1006W-A1-D Weatherproof Pressure Switch (50 to 350psig) with Aluminum pressure chamber & Polymide diaphragm
Model: 1006W-A1-D

Dwyer 1006W-B3-D Weatherproof Pressure Switch (50 to 350psig) with 316SS pressure chamber & FEP diaphragm
Model: 1006W-B3-D

Dwyer 1007E-A1-J Explosion-Proof Pressure Switch (75 to 550psig) with Aluminum pressure chamber & Polymide diaphragm
Model: 1007E-A1-J