"Our job is helping you do your job"

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 61 to 80 of 907 products

Dwyer 1640-10 Differential Pressure Switch (3.0-12.0"w.c.) with SPDT switch-

Dwyer 1640-10 Differential Pressure Switch (3.0-12.0"w.c.) with SPDT switch
Model: 1640-10

Sale Price $832.70 USD
Regular Price $910.05 USD
Availability 11 to 12 Weeks

Qty:

Sale Price $832.70 USD
Regular Price $910.05 USD
Availability 11 to 12 Weeks
Quantity

Dwyer 1640-2 Differential Pressure Switch (1.0-4.0"w.c.) with SPDT switch-

Dwyer 1640-2 Differential Pressure Switch (1.0-4.0"w.c.) with SPDT switch
Model: 1640-2

Sale Price $832.70 USD
Regular Price $910.05 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $832.70 USD
Regular Price $910.05 USD
Availability 3 to 4 Weeks
Quantity

Dwyer 1640-5 Differential Pressure Switch (2.0-6.0"w.c.) with SPDT switch-

Dwyer 1640-5 Differential Pressure Switch (2.0-6.0"w.c.) with SPDT switch
Model: 1640-5

Sale Price $832.70 USD
Regular Price $910.05 USD
Availability 11 to 12 Weeks

Qty:

Sale Price $832.70 USD
Regular Price $910.05 USD
Availability 11 to 12 Weeks
Quantity

Dwyer 1800 Series Low Differential Pressure Switches for General Industrial Service-

Dwyer 1800 Series Low Differential Pressure Switches for General Industrial Service

Featuring a compact switch with 2% repeatability for enough accuracy for all but the most demanding applications. Set point adjustment inside the mounting stud permits mounting switch on one side of a wall or panel with adjustment easily accessible on the opposite side. UL and CSA listed, and FM approved.

Learn More

Dwyer 1823-0 Low Differential Pressure Switch, 0.15-0.5" w.c.-

Dwyer 1823-0 Low Differential Pressure Switch, 0.15-0.5" w.c.
Model: 1823-0

Sale Price $116.71 USD
Regular Price $127.55 USD
Availability 1 Week

Qty:

Sale Price $116.71 USD
Regular Price $127.55 USD
Availability 1 Week
Quantity

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

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

Sale Price $122.34 USD
Regular Price $133.70 USD
Availability 3 Days

Qty:

Sale Price $122.34 USD
Regular Price $133.70 USD
Availability 3 Days
Quantity

Dwyer 1823-1 Low Differential Pressure Switch, 0.3-1.0" w.c.-

Dwyer 1823-1 Low Differential Pressure Switch, 0.3-1.0" w.c.
Model: 1823-1

Sale Price $116.71 USD
Regular Price $127.55 USD
Availability 1 Week

Qty:

Sale Price $116.71 USD
Regular Price $127.55 USD
Availability 1 Week
Quantity

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

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

Sale Price $116.71 USD
Regular Price $127.55 USD
Availability 1 Week

Qty:

Sale Price $116.71 USD
Regular Price $127.55 USD
Availability 1 Week
Quantity

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

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

Sale Price $116.71 USD
Regular Price $127.55 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $116.71 USD
Regular Price $127.55 USD
Availability 1 to 2 Weeks
Quantity

Dwyer 1823-20 Low Differential Pressure Switch, 3-22" w.c.-

Dwyer 1823-20 Low Differential Pressure Switch, 3-22" w.c.
Model: 1823-20

Sale Price $116.71 USD
Regular Price $127.55 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $116.71 USD
Regular Price $127.55 USD
Availability 1 to 2 Weeks
Quantity

Dwyer 1823-40 Low Differential Pressure Switch, 5-44" w.c.-

Dwyer 1823-40 Low Differential Pressure Switch, 5-44" w.c.
Model: 1823-40

Sale Price $116.71 USD
Regular Price $127.55 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $116.71 USD
Regular Price $127.55 USD
Availability 1 to 2 Weeks
Quantity

Dwyer 1823-5 Low Differential Pressure Switch, 1.5-5.0" w.c.-

Dwyer 1823-5 Low Differential Pressure Switch, 1.5-5.0" w.c.
Model: 1823-5

Sale Price $116.71 USD
Regular Price $127.55 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $116.71 USD
Regular Price $127.55 USD
Availability 3 to 4 Weeks
Quantity

Dwyer 1823-80 Low Differential Pressure Switch, 9-85" w.c.-

Dwyer 1823-80 Low Differential Pressure Switch, 9-85" w.c.
Model: 1823-80

Sale Price $116.71 USD
Regular Price $127.55 USD
Availability 4 to 5 Weeks

Qty:

Sale Price $116.71 USD
Regular Price $127.55 USD
Availability 4 to 5 Weeks
Quantity

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

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

Sale Price $130.30 USD
Regular Price $142.40 USD
Availability 12 to 13 Weeks

Qty:

Sale Price $130.30 USD
Regular Price $142.40 USD
Availability 12 to 13 Weeks
Quantity

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

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

Sale Price $82.17 USD
Regular Price $89.80 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $82.17 USD
Regular Price $89.80 USD
Availability 2 to 3 Weeks
Quantity

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

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

Sale Price $82.17 USD
Regular Price $89.80 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $82.17 USD
Regular Price $89.80 USD
Availability 2 to 3 Weeks
Quantity

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

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

Sale Price $82.17 USD
Regular Price $89.80 USD
Availability 4 to 5 Weeks

Qty:

Sale Price $82.17 USD
Regular Price $89.80 USD
Availability 4 to 5 Weeks
Quantity
SPECIAL!

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

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

Sale Price $82.17 USD
Regular Price $89.80 USD
Availability 1 Week

Qty:

Sale Price $82.17 USD
Regular Price $89.80 USD
Availability 1 Week
Quantity

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

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

Sale Price $356.58 USD
Regular Price $389.70 USD
Availability 15+ Weeks

Qty:

Sale Price $356.58 USD
Regular Price $389.70 USD
Availability 15+ Weeks
Quantity

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

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

Sale Price $356.58 USD
Regular Price $389.70 USD
Availability 1 Week

Qty:

Sale Price $356.58 USD
Regular Price $389.70 USD
Availability 1 Week
Quantity
Showing 61 to 80 of 907 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.