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

Differential Switches

Single Switches

Single Switches

Vacuum Switches

Vacuum Switches

Differential Switches

Differential Switches

Single Switches

Single Switches

Vacuum Switches

Vacuum Switches

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Showing 61 to 80 of 905 products

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 $119.09 USD
Regular Price $130.15 USD
Availability 1 Week

Qty:

Sale Price $119.09 USD
Regular Price $130.15 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 $124.85 USD
Regular Price $136.45 USD
Availability 3 Days

Qty:

Sale Price $124.85 USD
Regular Price $136.45 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 $119.09 USD
Regular Price $130.15 USD
Availability 1 Week

Qty:

Sale Price $119.09 USD
Regular Price $130.15 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 $119.09 USD
Regular Price $130.15 USD
Availability 1 Week

Qty:

Sale Price $119.09 USD
Regular Price $130.15 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 $119.09 USD
Regular Price $130.15 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $119.09 USD
Regular Price $130.15 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 $119.09 USD
Regular Price $130.15 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $119.09 USD
Regular Price $130.15 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 $119.09 USD
Regular Price $130.15 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $119.09 USD
Regular Price $130.15 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 $119.09 USD
Regular Price $130.15 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $119.09 USD
Regular Price $130.15 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 $119.09 USD
Regular Price $130.15 USD
Availability 8 to 9 Weeks

Qty:

Sale Price $119.09 USD
Regular Price $130.15 USD
Availability 8 to 9 Weeks
Quantity

Dwyer 1900 Series Compact Low Differential Pressure Switches-

Dwyer 1900 Series Compact Low Differential Pressure Switches

For air and non-combustible compatible gases, Series 1900 switches have set points from 0.07 to 20" w.c. (1.8 to 508 mm). Set point adjustment is easy with range screw located inside conduit enclosure and prevents tampering. UL, CE and CSA listed, and FM approved.

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Dwyer 1900-5-MR Differential Pressure Switch with manual reset, 1.40 to 5.5" w.c.-

Dwyer 1900-5-MR Differential Pressure Switch with manual reset, 1.40 to 5.5" w.c.
Model: 1900-5-MR

Sale Price $132.96 USD
Regular Price $145.31 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $132.96 USD
Regular Price $145.31 USD
Availability 3 to 4 Weeks
Quantity

Dwyer 1910-0 Differential Pressure Switch (0.15-0.55"w.c.)-

Dwyer 1910-0 Differential Pressure Switch (0.15-0.55"w.c.)
Model: 1910-0

Sale Price $83.86 USD
Regular Price $91.65 USD
Availability 5 Days

Qty:

Sale Price $83.86 USD
Regular Price $91.65 USD
Availability 5 Days
Quantity

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

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

Sale Price $88.80 USD
Regular Price $97.05 USD
Availability 10 to 11 Weeks

Qty:

Sale Price $88.80 USD
Regular Price $97.05 USD
Availability 10 to 11 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 $83.86 USD
Regular Price $91.65 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $83.86 USD
Regular Price $91.65 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 $83.86 USD
Regular Price $91.65 USD
Availability 5 Days

Qty:

Sale Price $83.86 USD
Regular Price $91.65 USD
Availability 5 Days
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 $83.86 USD
Regular Price $91.65 USD
Availability 4 to 5 Weeks

Qty:

Sale Price $83.86 USD
Regular Price $91.65 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 $83.86 USD
Regular Price $91.65 USD
Availability 6 to 7 Weeks

Qty:

Sale Price $83.86 USD
Regular Price $91.65 USD
Availability 6 to 7 Weeks
Quantity

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

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

Sale Price $283.71 USD
Regular Price $405.30 USD
Availability 1 Week

Qty:

Sale Price $283.71 USD
Regular Price $405.30 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 $370.85 USD
Regular Price $405.30 USD
Availability 15+ Weeks

Qty:

Sale Price $370.85 USD
Regular Price $405.30 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 $370.85 USD
Regular Price $405.30 USD
Availability 1 Week

Qty:

Sale Price $370.85 USD
Regular Price $405.30 USD
Availability 1 Week
Quantity
Showing 61 to 80 of 905 products
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