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 381 to 400 of 907 products

Dwyer 3000MR/3000MRS Series Photohelic Switch/Gauges-

Dwyer 3000MR/3000MRS Series Photohelic Switch/Gauges

Switch setting is easy to adjust with large external knobs on the gauge face. Gauge reading is unaffected by switch operation - will indicate accurately even if power is interrupted. Solid state design now results in greatly reduced size and weight. Units can be flush mounted in 4-13/16" (122 mm) hole or surface mounted with hardware supplied.

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Dwyer SA1111E-S5-K2 Pressure Switch, Diaphragm, 10/150Psig, 1/2"NPTF, SS-

Dwyer SA1111E-S5-K2 Pressure Switch, Diaphragm, 10/150Psig, 1/2"NPTF, SS
Model: SA1111E-S5-K2

Sale Price $677.83 USD
Regular Price $740.80 USD
Availability 1 Week

Qty:

Sale Price $677.83 USD
Regular Price $740.80 USD
Availability 1 Week
Quantity

Dwyer SA1112E-S5-K2 Pressure Switch, Diaphragm, 20/250 Psig, 1/2"NPTF, SS-

Dwyer SA1112E-S5-K2 Pressure Switch, Diaphragm, 20/250 Psig, 1/2"NPTF, SS
Model: SA1112E-S5-K2

Sale Price $677.83 USD
Regular Price $740.80 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $677.83 USD
Regular Price $740.80 USD
Availability 1 to 2 Weeks
Quantity

Dwyer SA1113E-S5-K2 Pressure Switch, Diaphragm, 30/500 Psig, 1/2"NPTF, SS-

Dwyer SA1113E-S5-K2 Pressure Switch, Diaphragm, 30/500 Psig, 1/2"NPTF, SS
Model: SA1113E-S5-K2

Sale Price $677.83 USD
Regular Price $740.80 USD
Availability 8 to 9 Weeks

Qty:

Sale Price $677.83 USD
Regular Price $740.80 USD
Availability 8 to 9 Weeks
Quantity

Ashcroft PPSN7HB25XC8 30IMV PP-Series Pressure Switch with NEMA 7 Enclosure, Fixed Deadband, -30 inHg-

Ashcroft PPSN7HB25XC8 30IMV PP-Series Pressure Switch with NEMA 7 Enclosure, Fixed Deadband, -30 inHg
Model: PPSN7HB25XC8 30IMV | Order No: PPSN7HB25XC830IMV

Sale Price $649.77 USD
Regular Price $726.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $649.77 USD
Regular Price $726.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft PPSN7HB25XC8 30IMV/15# PP-Series Pressure Switch with NEMA 7 Enclosure, Fixed Deadband, -30 inHg/15 psi-

Ashcroft PPSN7HB25XC8 30IMV/15# PP-Series Pressure Switch with NEMA 7 Enclosure, Fixed Deadband, -30 inHg/15 psi
Model: PPSN7HB25XC8 30IMV/15# | Order No: PPSN7HB25XC830IMV/15#

Sale Price $649.77 USD
Regular Price $726.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $649.77 USD
Regular Price $726.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft LDAN4HB25 30#D LP-Series Differential Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 30 psi-

Ashcroft LDAN4HB25 30#D LP-Series Differential Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 30 psi
Model: LDAN4HB25 30#D | Order No: LDAN4HB2530#D

Sale Price $641.72 USD
Regular Price $717.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $641.72 USD
Regular Price $717.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft LDAN4HB25 60#D LP-Series Differential Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 60 psi-

Ashcroft LDAN4HB25 60#D LP-Series Differential Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 60 psi
Model: LDAN4HB25 60#D | Order No: LDAN4HB2560#D

Sale Price $641.72 USD
Regular Price $717.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $641.72 USD
Regular Price $717.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft LDAN4HB25 90#D LP-Series Differential Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 90 psi-

Ashcroft LDAN4HB25 90#D LP-Series Differential Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 90 psi
Model: LDAN4HB25 90#D | Order No: LDAN4HB2590#D

Sale Price $641.72 USD
Regular Price $717.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $641.72 USD
Regular Price $717.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft LDAN4HB25 200#D LP-Series Differential Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 200 psi-

Ashcroft LDAN4HB25 200#D LP-Series Differential Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 200 psi
Model: LDAN4HB25 200#D | Order No: LDAN4HB25200#D

Sale Price $641.72 USD
Regular Price $717.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $641.72 USD
Regular Price $717.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft LDAN4HB25 400#D LP-Series Differential Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 400 psi-

Ashcroft LDAN4HB25 400#D LP-Series Differential Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 400 psi
Model: LDAN4HB25 400#D | Order No: LDAN4HB25400#D

Sale Price $641.72 USD
Regular Price $717.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $641.72 USD
Regular Price $717.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft LDDN4GGB25 30#D LP-Series Differential Pressure Switch with NEMA 4X Enclosure, 2 Set Points, 30 psi-

Ashcroft LDDN4GGB25 30#D LP-Series Differential Pressure Switch with NEMA 4X Enclosure, 2 Set Points, 30 psi
Model: LDDN4GGB25 30#D | Order No: LDDN4GGB2530#D

Sale Price $641.72 USD
Regular Price $717.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $641.72 USD
Regular Price $717.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft LDDN4GGB25 60#D LP-Series Differential Pressure Switch with NEMA 4X Enclosure, 2 Set Points, 60 psi-

Ashcroft LDDN4GGB25 60#D LP-Series Differential Pressure Switch with NEMA 4X Enclosure, 2 Set Points, 60 psi
Model: LDDN4GGB25 60#D | Order No: LDDN4GGB2560#D

Sale Price $641.72 USD
Regular Price $717.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $641.72 USD
Regular Price $717.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft LDDN4GGB25 90#D LP-Series Differential Pressure Switch with NEMA 4X Enclosure, 2 Set Points, 90 psi-

Ashcroft LDDN4GGB25 90#D LP-Series Differential Pressure Switch with NEMA 4X Enclosure, 2 Set Points, 90 psi
Model: LDDN4GGB25 90#D | Order No: LDDN4GGB2590#D

Sale Price $641.72 USD
Regular Price $717.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $641.72 USD
Regular Price $717.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft LDDN4GGB25 200#D LP-Series Differential Pressure Switch with NEMA 4X Enclosure, 2 Set Points, 200 psi-

Ashcroft LDDN4GGB25 200#D LP-Series Differential Pressure Switch with NEMA 4X Enclosure, 2 Set Points, 200 psi
Model: LDDN4GGB25 200#D | Order No: LDDN4GGB25200#D

Sale Price $641.72 USD
Regular Price $717.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $641.72 USD
Regular Price $717.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft LDDN4GGB25 400#D LP-Series Differential Pressure Switch with NEMA 4X Enclosure, 2 Set Points, 400 psi-

Ashcroft LDDN4GGB25 400#D LP-Series Differential Pressure Switch with NEMA 4X Enclosure, 2 Set Points, 400 psi
Model: LDDN4GGB25 400#D | Order No: LDDN4GGB25400#D

Sale Price $641.72 USD
Regular Price $717.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $641.72 USD
Regular Price $717.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft GPAN4HB25XTA 30IW GP-Series Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 30 inH2O-

Ashcroft GPAN4HB25XTA 30IW GP-Series Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 30 inH2O
Model: GPAN4HB25XTA 30IW | Order No: GPAN4HB25XTA30IW

Sale Price $633.66 USD
Regular Price $708.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $633.66 USD
Regular Price $708.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft GPAN4HB25XTA 60IW GP-Series Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 60 inH2O-

Ashcroft GPAN4HB25XTA 60IW GP-Series Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 60 inH2O
Model: GPAN4HB25XTA 60IW | Order No: GPAN4HB25XTA60IW

Sale Price $633.66 USD
Regular Price $708.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $633.66 USD
Regular Price $708.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft GPAN4HB25XTA 100IW GP-Series Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 100 inH2O-

Ashcroft GPAN4HB25XTA 100IW GP-Series Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 100 inH2O
Model: GPAN4HB25XTA 100IW | Order No: GPAN4HB25XTA100IW

Sale Price $633.66 USD
Regular Price $708.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $633.66 USD
Regular Price $708.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft GPAN4HB25XTA 150IW GP-Series Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 150 inH2O-

Ashcroft GPAN4HB25XTA 150IW GP-Series Pressure Switch with NEMA 4X Enclosure, Adjustable Deadband, 150 inH2O
Model: GPAN4HB25XTA 150IW | Order No: GPAN4HB25XTA150IW

Sale Price $633.66 USD
Regular Price $708.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $633.66 USD
Regular Price $708.00 USD
Availability 2 to 3 Weeks
Quantity
Showing 381 to 400 of 907 products
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