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 501 to 520 of 907 products

Dwyer MP-250PA Mini-Photohelic, Pressure Switch/Gauge, 0/250Pa-

Dwyer MP-250PA Mini-Photohelic, Pressure Switch/Gauge, 0/250Pa
Model: MP-250PA

Sale Price $535.23 USD
Regular Price $584.95 USD
Availability 7 to 8 Weeks

Qty:

Sale Price $535.23 USD
Regular Price $584.95 USD
Availability 7 to 8 Weeks
Quantity

Dwyer MP-25MM Mini-Photohelic, Pressure Switch/Gauge, 0/25mm w.c.-

Dwyer MP-25MM Mini-Photohelic, Pressure Switch/Gauge, 0/25mm w.c.
Model: MP-25MM

Sale Price $535.23 USD
Regular Price $584.95 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $535.23 USD
Regular Price $584.95 USD
Availability 3 to 4 Weeks
Quantity

Dwyer MP-3KPA Mini-Photohelic, Pressure Switch/Gauge, 0/3Kpa-

Dwyer MP-3KPA Mini-Photohelic, Pressure Switch/Gauge, 0/3Kpa
Model: MP-3KPA

Sale Price $535.23 USD
Regular Price $584.95 USD
Availability 5 Days

Qty:

Sale Price $535.23 USD
Regular Price $584.95 USD
Availability 5 Days
Quantity

Dwyer MP-50MM Mini-Photohelic, Pressure Switch/Gauge, 0/50mm w.c.-

Dwyer MP-50MM Mini-Photohelic, Pressure Switch/Gauge, 0/50mm w.c.
Model: MP-50MM

Sale Price $535.23 USD
Regular Price $584.95 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $535.23 USD
Regular Price $584.95 USD
Availability 3 to 4 Weeks
Quantity

Dwyer MP Series Mini-Photohelic Differential Pressure Switches/Gauges-

Dwyer MP Series Mini-Photohelic Differential Pressure Switches/Gauges

Designed to measure and control positive, negative, or differential pressures consisting of non-combustible and non-corrosive gases. The gauge reading is independent of switch operation, and switching status is visible by LED indicators located on the front and rear of the gauge. Setpoints are adjusted with push buttons on the back of the unit.

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Ashcroft GPAN4HB25 15# GP-Series Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 15 psi-

Ashcroft GPAN4HB25 15# GP-Series Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 15 psi
Model: GPAN4HB25 15# | Order No: GPAN4HB2515#

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft GPAN4HB25 30# GP-Series Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 30 psi-

Ashcroft GPAN4HB25 30# GP-Series Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 30 psi
Model: GPAN4HB25 30# | Order No: GPAN4HB2530#

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft GPAN4HB25 60# GP-Series Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 60 psi-

Ashcroft GPAN4HB25 60# GP-Series Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 60 psi
Model: GPAN4HB25 60# | Order No: GPAN4HB2560#

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft GPAN4HB25 100# GP-Series Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 100 psi-

Ashcroft GPAN4HB25 100# GP-Series Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 100 psi
Model: GPAN4HB25 100# | Order No: GPAN4HB25100#

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 8 to 9 Weeks

Qty:

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 8 to 9 Weeks
Quantity

Ashcroft GPAN4HB25 200# GP-Series Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 200 psi-

Ashcroft GPAN4HB25 200# GP-Series Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 200 psi
Model: GPAN4HB25 200# | Order No: GPAN4HB25200#

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft GPAN4HB25 400# GP-Series Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 400 psi-

Ashcroft GPAN4HB25 400# GP-Series Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 400 psi
Model: GPAN4HB25 400# | Order No: GPAN4HB25400#

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft GPAN4HB25 600# GP-Series Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 600 psi-

Ashcroft GPAN4HB25 600# GP-Series Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 600 psi
Model: GPAN4HB25 600# | Order No: GPAN4HB25600#

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft GPDN4GGB25 15# GP-Series Pressure Switch with NEMA 4X Enclosure, 2 Set Points, 15 psi-

Ashcroft GPDN4GGB25 15# GP-Series Pressure Switch with NEMA 4X Enclosure, 2 Set Points, 15 psi
Model: GPDN4GGB25 15# | Order No: GPDN4GGB2515#

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft GPDN4GGB25 30# GP-Series Pressure Switch with NEMA 4X Enclosure, 2 Set Points, 30 psi-

Ashcroft GPDN4GGB25 30# GP-Series Pressure Switch with NEMA 4X Enclosure, 2 Set Points, 30 psi
Model: GPDN4GGB25 30# | Order No: GPDN4GGB2530#

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft GPDN4GGB25 60# GP-Series Pressure Switch with NEMA 4X Enclosure, 2 Set Points, 60 psi-

Ashcroft GPDN4GGB25 60# GP-Series Pressure Switch with NEMA 4X Enclosure, 2 Set Points, 60 psi
Model: GPDN4GGB25 60# | Order No: GPDN4GGB2560#

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft GPDN4GGB25 100# GP-Series Pressure Switch with NEMA 4X Enclosure, 2 Set Points, 100 psi-

Ashcroft GPDN4GGB25 100# GP-Series Pressure Switch with NEMA 4X Enclosure, 2 Set Points, 100 psi
Model: GPDN4GGB25 100# | Order No: GPDN4GGB25100#

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft GPDN4GGB25 200# GP-Series Pressure Switch with NEMA 4X Enclosure, 2 Set Points, 200 psi-

Ashcroft GPDN4GGB25 200# GP-Series Pressure Switch with NEMA 4X Enclosure, 2 Set Points, 200 psi
Model: GPDN4GGB25 200# | Order No: GPDN4GGB25200#

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft GPDN4GGB25 400# GP-Series Pressure Switch with NEMA 4X Enclosure, 2 Set Points, 400 psi-

Ashcroft GPDN4GGB25 400# GP-Series Pressure Switch with NEMA 4X Enclosure, 2 Set Points, 400 psi
Model: GPDN4GGB25 400# | Order No: GPDN4GGB25400#

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft GPDN4GGB25 600# GP-Series Pressure Switch with NEMA 4X Enclosure, 2 Set Points, 600 psi-

Ashcroft GPDN4GGB25 600# GP-Series Pressure Switch with NEMA 4X Enclosure, 2 Set Points, 600 psi
Model: GPDN4GGB25 600# | Order No: GPDN4GGB25600#

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $520.00 USD
Regular Price $581.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft B724BXC8 200# B-Series Pressure Switch with NEMA 7/9 Enclosure, 200 psi-

Ashcroft B724BXC8 200# B-Series Pressure Switch with NEMA 7/9 Enclosure, 200 psi
Model: B724BXC8 200# | Order No: B724BXC8200#

Sale Price $512.84 USD
Regular Price $573.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $512.84 USD
Regular Price $573.00 USD
Availability 2 to 3 Weeks
Quantity
Showing 501 to 520 of 907 products
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