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 1 to 20 of 907 products

Dwyer 1950-10-2F Explosion-Proof Differential Pressure Switch, 3 to 11" w.c.-

Dwyer 1950-10-2F Explosion-Proof Differential Pressure Switch, 3 to 11" w.c.
Model: 1950-10-2F

Sale Price $356.58 USD
Regular Price $389.70 USD
Availability 2 in Stock

Qty:

Sale Price $356.58 USD
Regular Price $389.70 USD
Availability 2 in Stock
Quantity

Dwyer 1950 Series Explosion-proof Differential Pressure Switches-

Dwyer 1950 Series Explosion-proof Differential Pressure Switches

CE, UL and CSA listed, FM approved for use in Class I, Div 1, Groups C and D, Class II Groups E, F, and G and Class III hazardous atmospheres NEMA 7 & 9. Raintight NEMA 3 (IP54). Weatherproof features include a drain plug and O-ring seal in cover. Series offers set points from 0.03 to 20" w.c. (7.5 to 5 kPa) and from 0.5 to 60 psi (0.035 to 3.5 bar).

Learn More

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 $356.58 USD
Regular Price $389.70 USD
Availability 1 in Stock

Qty:

Sale Price $356.58 USD
Regular Price $389.70 USD
Availability 1 in Stock
Quantity

Dwyer 1950-20-2F Explosion-Proof Differential Pressure Switch (4.0-20" w.c.)-

Dwyer 1950-20-2F Explosion-Proof Differential Pressure Switch (4.0-20" w.c.)
Model: 1950-20-2F

Sale Price $356.58 USD
Regular Price $389.70 USD
Availability 1 in Stock

Qty:

Sale Price $356.58 USD
Regular Price $389.70 USD
Availability 1 in Stock
Quantity

Dwyer A6-553221 Pressure Switch, 14-24 ±3 psi (0.97-1.65 ±0.21 bar), 304SS-

Dwyer A6-553221 Pressure Switch, 14-24 ±3 psi (0.97-1.65 ±0.21 bar), 304SS
Model: A6-553221

Sale Price $35.09 USD
Regular Price $38.35 USD
Availability 1 in Stock

Qty:

Sale Price $35.09 USD
Regular Price $38.35 USD
Availability 1 in Stock
Quantity

Dwyer A6 Series Pressure Switches-

Dwyer A6 Series Pressure Switches

Simple, setpoint field adjustment. Excellent setpoint integrity.

Learn More

Meriam 1226X-1-2 Explosion Proof Switch, 6" Brass, 1000 swp-

Meriam 1226X-1-2 Explosion Proof Switch, 6" Brass, 1000 swp
Model: 1226X-1-2

Sale Price $4521.60 USD
Regular Price $5024.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $4521.60 USD
Regular Price $5024.00 USD
Availability 2 to 3 Weeks
Quantity

Meriam 1226X-1-3 Explosion Proof Switch, 6" Brass, 1500 swp-

Meriam 1226X-1-3 Explosion Proof Switch, 6" Brass, 1500 swp
Model: 1226X-1-3

Sale Price $5462.10 USD
Regular Price $6069.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $5462.10 USD
Regular Price $6069.00 USD
Availability 2 to 3 Weeks
Quantity

Meriam 1226X-1-4 Explosion Proof Switch, 6" Brass, 3000 swp-

Meriam 1226X-1-4 Explosion Proof Switch, 6" Brass, 3000 swp
Model: 1226X-1-4

Sale Price $5859.90 USD
Regular Price $6511.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $5859.90 USD
Regular Price $6511.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft B424B 30IMV B-Series Pressure Switch with NEMA 4X Enclosure, -30 inHg Vacuum-

Ashcroft B424B 30IMV B-Series Pressure Switch with NEMA 4X Enclosure, -30 inHg Vacuum
Model: B424B 30IMV | Order No: B424B30IMV

Sale Price $241.65 USD
Regular Price $270.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $241.65 USD
Regular Price $270.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft B424B 15IWV/15IW B-Series Pressure Switch with NEMA 4X Enclosure, -15/15 inH2O-

Ashcroft B424B 15IWV/15IW B-Series Pressure Switch with NEMA 4X Enclosure, -15/15 inH2O
Model: B424B 15IWV/15IW | Order No: B424B15IWV/15IW

Sale Price $256.87 USD
Regular Price $287.00 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $256.87 USD
Regular Price $287.00 USD
Availability 3 to 4 Weeks
Quantity

Ashcroft B424B 30IWV/30IW B-Series Pressure Switch with NEMA 4X Enclosure, -30/30 inH2O-

Ashcroft B424B 30IWV/30IW B-Series Pressure Switch with NEMA 4X Enclosure, -30/30 inH2O
Model: B424B 30IWV/30IW | Order No: B424B30IWV/30IW

Sale Price $256.87 USD
Regular Price $287.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $256.87 USD
Regular Price $287.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft B424B 30IMV/30IW B-Series Pressure Switch with NEMA 4X Enclosure, -30 inHg/30 inH2O-

Ashcroft B424B 30IMV/30IW B-Series Pressure Switch with NEMA 4X Enclosure, -30 inHg/30 inH2O
Model: B424B 30IMV/30IW | Order No: B424B30IMV/30IW

Sale Price $241.65 USD
Regular Price $270.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $241.65 USD
Regular Price $270.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft B424B 30IMV/15# B-Series Pressure Switch with NEMA 4X Enclosure, -30 inHg/15 psi-

Ashcroft B424B 30IMV/15# B-Series Pressure Switch with NEMA 4X Enclosure, -30 inHg/15 psi
Model: B424B 30IMV/15# | Order No: B424B30IMV/15#

Sale Price $241.65 USD
Regular Price $270.00 USD
Availability 11 to 12 Weeks

Qty:

Sale Price $241.65 USD
Regular Price $270.00 USD
Availability 11 to 12 Weeks
Quantity

Ashcroft B424B 30IMV/30# B-Series Pressure Switch with NEMA 4X Enclosure, -30 inHg/30 psi-

Ashcroft B424B 30IMV/30# B-Series Pressure Switch with NEMA 4X Enclosure, -30 inHg/30 psi
Model: B424B 30IMV/30# | Order No: B424B30IMV/30#

Sale Price $241.65 USD
Regular Price $270.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $241.65 USD
Regular Price $270.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft B424B 30IMV/60# B-Series Pressure Switch with NEMA 4X Enclosure, -30 inHg/60 psi-

Ashcroft B424B 30IMV/60# B-Series Pressure Switch with NEMA 4X Enclosure, -30 inHg/60 psi
Model: B424B 30IMV/60# | Order No: B424B30IMV/60#

Sale Price $241.65 USD
Regular Price $270.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $241.65 USD
Regular Price $270.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft B424B 10IW B-Series Pressure Switch with NEMA 4X Enclosure, 10 inH2O-

Ashcroft B424B 10IW B-Series Pressure Switch with NEMA 4X Enclosure, 10 inH2O
Model: B424B 10IW | Order No: B424B10IW

Sale Price $256.87 USD
Regular Price $287.00 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $256.87 USD
Regular Price $287.00 USD
Availability 3 to 4 Weeks
Quantity

Ashcroft B424B 30IW B-Series Pressure Switch with NEMA 4X Enclosure, 30 inH2O-

Ashcroft B424B 30IW B-Series Pressure Switch with NEMA 4X Enclosure, 30 inH2O
Model: B424B 30IW | Order No: B424B30IW

Sale Price $260.45 USD
Regular Price $291.00 USD
Availability 5 to 6 Weeks

Qty:

Sale Price $260.45 USD
Regular Price $291.00 USD
Availability 5 to 6 Weeks
Quantity

Ashcroft B424B 60IW B-Series Pressure Switch with NEMA 4X Enclosure, 60 inH2O-

Ashcroft B424B 60IW B-Series Pressure Switch with NEMA 4X Enclosure, 60 inH2O
Model: B424B 60IW | Order No: B424B60IW

Sale Price $256.87 USD
Regular Price $287.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $256.87 USD
Regular Price $287.00 USD
Availability 2 to 3 Weeks
Quantity

Ashcroft B424B 100IW B-Series Pressure Switch with NEMA 4X Enclosure, 100 inH2O-

Ashcroft B424B 100IW B-Series Pressure Switch with NEMA 4X Enclosure, 100 inH2O
Model: B424B 100IW | Order No: B424B100IW

Sale Price $261.34 USD
Regular Price $292.00 USD
Availability 5 to 6 Weeks

Qty:

Sale Price $261.34 USD
Regular Price $292.00 USD
Availability 5 to 6 Weeks
Quantity
Showing 1 to 20 of 907 products
We Ship Free on Orders Over &99 within Canada
  • We accept these payment methods:
  • Visa, Master Card, Discover, American Express & PayPal