Customer Rating

4.8/5 Stars

17002 REVIEWS

Pressure Switches

Search within this category

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.

Search within this category

Differential Switches

Differential Switches

Single Switches

Single Switches

Vacuum Switches

Vacuum Switches

Differential Switches

Differential Switches

Single Switches

Single Switches

Vacuum Switches

Vacuum Switches

Filter by

Showing 21 to 40 of 1016 products

Dwyer 1000W Series Weatherproof Diaphragm Operated Pressure Switches-

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.

Learn More

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

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

Sale Price $1098.63 USD
Regular Price $1175.00 USD
Availability 11 to 12 Weeks

Qty:

Sale Price $1098.63 USD
Regular Price $1175.00 USD
Availability 11 to 12 Weeks
Quantity

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

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

Sale Price $627.39 USD
Regular Price $671.00 USD
Availability 15+ Weeks

Qty:

Sale Price $627.39 USD
Regular Price $671.00 USD
Availability 15+ Weeks
Quantity

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

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

Sale Price $750.85 USD
Regular Price $803.05 USD
Availability 5 to 6 Weeks

Qty:

Sale Price $750.85 USD
Regular Price $803.05 USD
Availability 5 to 6 Weeks
Quantity

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

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

Sale Price $1000.45 USD
Regular Price $1070.00 USD
Availability 15+ Weeks

Qty:

Sale Price $1000.45 USD
Regular Price $1070.00 USD
Availability 15+ Weeks
Quantity

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

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

Sale Price $1098.63 USD
Regular Price $1175.00 USD
Availability 11 to 12 Weeks

Qty:

Sale Price $1098.63 USD
Regular Price $1175.00 USD
Availability 11 to 12 Weeks
Quantity

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

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

Sale Price $627.39 USD
Regular Price $671.00 USD
Availability 8 to 9 Weeks

Qty:

Sale Price $627.39 USD
Regular Price $671.00 USD
Availability 8 to 9 Weeks
Quantity

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

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

Sale Price $754.59 USD
Regular Price $807.05 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $754.59 USD
Regular Price $807.05 USD
Availability 1 to 2 Weeks
Quantity

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

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

Sale Price $1000.45 USD
Regular Price $1070.00 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $1000.45 USD
Regular Price $1070.00 USD
Availability 1 to 2 Weeks
Quantity

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

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

Sale Price $1098.63 USD
Regular Price $1175.00 USD
Availability 15+ Weeks

Qty:

Sale Price $1098.63 USD
Regular Price $1175.00 USD
Availability 15+ Weeks
Quantity

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

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

Sale Price $652.49 USD
Regular Price $697.85 USD
Availability 7 to 8 Weeks

Qty:

Sale Price $652.49 USD
Regular Price $697.85 USD
Availability 7 to 8 Weeks
Quantity

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

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

Sale Price $754.59 USD
Regular Price $807.05 USD
Availability 4 Days

Qty:

Sale Price $754.59 USD
Regular Price $807.05 USD
Availability 4 Days
Quantity

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

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

Sale Price $1000.45 USD
Regular Price $1070.00 USD
Availability 15+ Weeks

Qty:

Sale Price $1000.45 USD
Regular Price $1070.00 USD
Availability 15+ Weeks
Quantity

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

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

Sale Price $1142.57 USD
Regular Price $1222.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $1142.57 USD
Regular Price $1222.00 USD
Availability 2 to 3 Weeks
Quantity

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

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

Sale Price $627.39 USD
Regular Price $671.00 USD
Availability 1 Week

Qty:

Sale Price $627.39 USD
Regular Price $671.00 USD
Availability 1 Week
Quantity

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

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

Sale Price $725.56 USD
Regular Price $776.00 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $725.56 USD
Regular Price $776.00 USD
Availability 3 to 4 Weeks
Quantity

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

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

Sale Price $1000.45 USD
Regular Price $1070.00 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $1000.45 USD
Regular Price $1070.00 USD
Availability 1 to 2 Weeks
Quantity

Dwyer 1007E-B3-J Explosion-Proof Pressure Switch (75 to 550psig) with 316SS pressure chamber & FEP diaphragm-

Dwyer 1007E-B3-J Explosion-Proof Pressure Switch (75 to 550psig) with 316SS pressure chamber & FEP diaphragm
Model: 1007E-B3-J

Sale Price $1098.63 USD
Regular Price $1175.00 USD
Availability 15+ Weeks

Qty:

Sale Price $1098.63 USD
Regular Price $1175.00 USD
Availability 15+ Weeks
Quantity

Dwyer 1007W-A1-D Weatherproof Pressure Switch (75 to 550psig) with Aluminum pressure chamber & Polymide diaphragm-

Dwyer 1007W-A1-D Weatherproof Pressure Switch (75 to 550psig) with Aluminum pressure chamber & Polymide diaphragm
Model: 1007W-A1-D

Sale Price $627.39 USD
Regular Price $671.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $627.39 USD
Regular Price $671.00 USD
Availability 2 to 3 Weeks
Quantity

Dwyer 1007W-B3-D Weatherproof Pressure Switch (75 to 550psig) with 316SS pressure chamber & FEP diaphragm-

Dwyer 1007W-B3-D Weatherproof Pressure Switch (75 to 550psig) with 316SS pressure chamber & FEP diaphragm
Model: 1007W-B3-D

Sale Price $725.56 USD
Regular Price $776.00 USD
Availability 15+ Weeks

Qty:

Sale Price $725.56 USD
Regular Price $776.00 USD
Availability 15+ Weeks
Quantity
Showing 21 to 40 of 1016 products
We Ship Free on Orders Over $99 within Canada
  • We accept these payment methods:
  • Visa, Master Card, Discover, American Express & PayPal
  • We also accept wire transfers/EFT, cheques and purchase orders on approved credit. Accepted payment methods vary by country.