"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 521 to 540 of 908 products

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 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

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

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.

Learn More

Dwyer 3000MR-0 Photohelic Differential Pressure Switch/Gauge (0-0.5"w.c.)-

Dwyer 3000MR-0 Photohelic Differential Pressure Switch/Gauge (0-0.5"w.c.)
Model: 3000MR-0

Sale Price $679.62 USD
Regular Price $742.75 USD
Availability 1 Week

Qty:

Sale Price $679.62 USD
Regular Price $742.75 USD
Availability 1 Week
Quantity

Dwyer 3001MR Photohelic Differential Pressure Switch/Gauge (0-1"w.c.)-

Dwyer 3001MR Photohelic Differential Pressure Switch/Gauge (0-1"w.c.)
Model: 3001MR

Sale Price $679.62 USD
Regular Price $742.75 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $679.62 USD
Regular Price $742.75 USD
Availability 3 to 4 Weeks
Quantity

Dwyer 3005MR Photohelic Differential Pressure Switch/Gauge (0-5.0"w.c.)-

Dwyer 3005MR Photohelic Differential Pressure Switch/Gauge (0-5.0"w.c.)
Model: 3005MR

Sale Price $679.62 USD
Regular Price $742.75 USD
Availability 1 Week

Qty:

Sale Price $679.62 USD
Regular Price $742.75 USD
Availability 1 Week
Quantity

Dwyer 3010MR Photohelic Differential Pressure Switch/Gauge (0-10"w.c.)-

Dwyer 3010MR Photohelic Differential Pressure Switch/Gauge (0-10"w.c.)
Model: 3010MR

Sale Price $679.62 USD
Regular Price $742.75 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $679.62 USD
Regular Price $742.75 USD
Availability 3 to 4 Weeks
Quantity

Ashcroft PPSN7HB25XC8 60IW PP-Series Pressure Switch with NEMA 7 Enclosure, Fixed Deadband, 60 inH2O-

Ashcroft PPSN7HB25XC8 60IW PP-Series Pressure Switch with NEMA 7 Enclosure, Fixed Deadband, 60 inH2O
Model: PPSN7HB25XC8 60IW | Order No: PPSN7HB25XC860IW

Sale Price $664.99 USD
Regular Price $743.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $664.99 USD
Regular Price $743.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft PPSN7HB25XC8 100IW PP-Series Pressure Switch with NEMA 7 Enclosure, Fixed Deadband, 100 inH2O-

Ashcroft PPSN7HB25XC8 100IW PP-Series Pressure Switch with NEMA 7 Enclosure, Fixed Deadband, 100 inH2O
Model: PPSN7HB25XC8 100IW | Order No: PPSN7HB25XC8100IW

Sale Price $664.99 USD
Regular Price $743.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $664.99 USD
Regular Price $743.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft PPSN7HB25XC8 150IW PP-Series Pressure Switch with NEMA 7 Enclosure, Fixed Deadband, 150 inH2O-

Ashcroft PPSN7HB25XC8 150IW PP-Series Pressure Switch with NEMA 7 Enclosure, Fixed Deadband, 150 inH2O
Model: PPSN7HB25XC8 150IW | Order No: PPSN7HB25XC8150IW

Sale Price $664.99 USD
Regular Price $743.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $664.99 USD
Regular Price $743.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft PPAN7HB25XC8 15# PP-Series Pressure Switch with NEMA 7 Enclosure, Adjustable Deadband, 15 psi-

Ashcroft PPAN7HB25XC8 15# PP-Series Pressure Switch with NEMA 7 Enclosure, Adjustable Deadband, 15 psi
Model: PPAN7HB25XC8 15# | Order No: PPAN7HB25XC815#

Sale Price $667.67 USD
Regular Price $746.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $667.67 USD
Regular Price $746.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft PPAN7HB25XC8 30# PP-Series Pressure Switch with NEMA 7 Enclosure, Adjustable Deadband, 30 psi-

Ashcroft PPAN7HB25XC8 30# PP-Series Pressure Switch with NEMA 7 Enclosure, Adjustable Deadband, 30 psi
Model: PPAN7HB25XC8 30# | Order No: PPAN7HB25XC830#

Sale Price $667.67 USD
Regular Price $746.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $667.67 USD
Regular Price $746.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft PPAN7HB25XC8 60# PP-Series Pressure Switch with NEMA 7 Enclosure, Adjustable Deadband, 60 psi-

Ashcroft PPAN7HB25XC8 60# PP-Series Pressure Switch with NEMA 7 Enclosure, Adjustable Deadband, 60 psi
Model: PPAN7HB25XC8 60# | Order No: PPAN7HB25XC860#

Sale Price $667.67 USD
Regular Price $746.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $667.67 USD
Regular Price $746.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft PPAN7HB25XC8 100# PP-Series Pressure Switch with NEMA 7 Enclosure, Adjustable Deadband, 100 psi-

Ashcroft PPAN7HB25XC8 100# PP-Series Pressure Switch with NEMA 7 Enclosure, Adjustable Deadband, 100 psi
Model: PPAN7HB25XC8 100# | Order No: PPAN7HB25XC8100#

Sale Price $667.67 USD
Regular Price $746.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $667.67 USD
Regular Price $746.00 USD
Availability 2 to 3 Weeks
Quantity
Showing 521 to 540 of 908 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.