"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 21 to 40 of 906 products

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 $87.02 USD
Regular Price $95.10 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $87.02 USD
Regular Price $95.10 USD
Availability 1 to 2 Weeks
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 $82.17 USD
Regular Price $89.80 USD
Availability 4 to 5 Weeks

Qty:

Sale Price $82.17 USD
Regular Price $89.80 USD
Availability 4 to 5 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 $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 1950-5-2F Explosion-Proof Differential Pressure Switch (1.4-5.5" w.c.)-

Dwyer 1950-5-2F Explosion-Proof Differential Pressure Switch (1.4-5.5" w.c.)
Model: 1950-5-2f

Sale Price $356.58 USD
Regular Price $389.70 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $356.58 USD
Regular Price $389.70 USD
Availability 1 to 2 Weeks
Quantity

Dwyer 1950G-20-B-120-NA Explosion-Proof Differential Pressure Switch for Natural Gas (4.0-20"w.c.)-

Dwyer 1950G-20-B-120-NA Explosion-Proof Differential Pressure Switch for Natural Gas (4.0-20"w.c.)
Model: 1950G-20-B-120-NA

Sale Price $566.20 USD
Regular Price $618.80 USD
Availability 4 Days

Qty:

Sale Price $566.20 USD
Regular Price $618.80 USD
Availability 4 Days
Quantity

Dwyer 1950P-2-2F Explosion-Proof Differential Pressure Switch (0.5-2.0 psid)-

Dwyer 1950P-2-2F Explosion-Proof Differential Pressure Switch (0.5-2.0 psid)
Model: 1950P-2-2F

Sale Price $408.55 USD
Regular Price $446.50 USD
Availability 1 Week

Qty:

Sale Price $408.55 USD
Regular Price $446.50 USD
Availability 1 Week
Quantity

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 3002MRS Photohelic Differential Pressure Switch/Gauge (0-2.0"w.c.) with SPST relays-

Dwyer 3002MRS Photohelic Differential Pressure Switch/Gauge (0-2.0"w.c.) with SPST relays
Model: 3002MRS

Sale Price $708.26 USD
Regular Price $774.05 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $708.26 USD
Regular Price $774.05 USD
Availability 2 to 3 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

Dwyer A3000-0 Photohelic Pressure Switch/Gauge (0-0.5"w.c.)-

Dwyer A3000-0 Photohelic Pressure Switch/Gauge (0-0.5"w.c.)
Model: A3000-0

Sale Price $713.88 USD
Regular Price $780.20 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $713.88 USD
Regular Price $780.20 USD
Availability 1 to 2 Weeks
Quantity

Dwyer A3000-00 Photohelic Pressure Switch/Gauge (0-0.25"w.c.)-

Dwyer A3000-00 Photohelic Pressure Switch/Gauge (0-0.25"w.c.)
Model: A3000-00

Sale Price $753.82 USD
Regular Price $823.85 USD
Availability 3 Days

Qty:

Sale Price $753.82 USD
Regular Price $823.85 USD
Availability 3 Days
Quantity

Dwyer A3000-1.5KPA Photohelic Pressure Switch/Gauge (0-1.5 kPa)-

Dwyer A3000-1.5KPA Photohelic Pressure Switch/Gauge (0-1.5 kPa)
Model: A3000-1.5KPA

Sale Price $713.88 USD
Regular Price $780.20 USD
Availability 4 to 5 Weeks

Qty:

Sale Price $713.88 USD
Regular Price $780.20 USD
Availability 4 to 5 Weeks
Quantity

Dwyer A3000-1.5KPA-240VAC Photohelic Pressure Switch/Gauge (0-1.5 kPa), 220/240 VAC Relay Pack-

Dwyer A3000-1.5KPA-240VAC Photohelic Pressure Switch/Gauge (0-1.5 kPa), 220/240 VAC Relay Pack
Model: A3000-1.5KPA-240VAC

Sale Price $774.38 USD
Regular Price $846.32 USD
Availability 1 Week

Qty:

Sale Price $774.38 USD
Regular Price $846.32 USD
Availability 1 Week
Quantity

Dwyer A3000-3KPA Photohelic Pressure Switch/Gauge (0-3 kPa)-

Dwyer A3000-3KPA Photohelic Pressure Switch/Gauge (0-3 kPa)
Model: A3000-3KPA

Sale Price $713.88 USD
Regular Price $780.20 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $713.88 USD
Regular Price $780.20 USD
Availability 2 to 3 Weeks
Quantity

Dwyer A3000-3KPA-240VAC Photohelic Pressure Switch/Gauge (0-3 kPa), 220/240 VAC Relay Pack-

Dwyer A3000-3KPA-240VAC Photohelic Pressure Switch/Gauge (0-3 kPa), 220/240 VAC Relay Pack
Model: A3000-3KPA-240VAC

Sale Price $774.38 USD
Regular Price $846.32 USD
Availability 1 Week

Qty:

Sale Price $774.38 USD
Regular Price $846.32 USD
Availability 1 Week
Quantity

Dwyer A3000-60PA-240VAC Photohelic Pressure Switch/Gauge (0-60 Pa), 220/240 VAC Relay Pack-

Dwyer A3000-60PA-240VAC Photohelic Pressure Switch/Gauge (0-60 Pa), 220/240 VAC Relay Pack
Model: A3000-60PA-240VAC

Sale Price $774.38 USD
Regular Price $846.32 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $774.38 USD
Regular Price $846.32 USD
Availability 2 to 3 Weeks
Quantity

Dwyer A3000-750PA-240VAC Photohelic Pressure Switch/Gauge (0-750 Pa), 220/240 VAC Relay Pack-

Dwyer A3000-750PA-240VAC Photohelic Pressure Switch/Gauge (0-750 Pa), 220/240 VAC Relay Pack
Model: A3000-750PA-240VAC

Sale Price $774.38 USD
Regular Price $846.32 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $774.38 USD
Regular Price $846.32 USD
Availability 2 to 3 Weeks
Quantity
Showing 21 to 40 of 906 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.