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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 841 to 860 of 911 products

Dwyer MP-060 Mini-Photohelic, Pressure Switch/Gauge, 0/60"w.c.-

Dwyer MP-060 Mini-Photohelic, Pressure Switch/Gauge, 0/60"w.c.
Model: MP-060

Sale Price $562.87 USD
Regular Price $615.16 USD
Availability 7 to 8 Weeks

Qty:

Sale Price $562.87 USD
Regular Price $615.16 USD
Availability 7 to 8 Weeks
Quantity

Dwyer MP-100 Mini-Photohelic, Pressure Switch/Gauge, 0/100"w.c.-

Dwyer MP-100 Mini-Photohelic, Pressure Switch/Gauge, 0/100"w.c.
Model: MP-100

Sale Price $551.29 USD
Regular Price $602.50 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $551.29 USD
Regular Price $602.50 USD
Availability 3 to 4 Weeks
Quantity

Dwyer MP-100MM Mini-Photohelic, Pressure Switch/Gauge, 0/100mm w.c.-

Dwyer MP-100MM Mini-Photohelic, Pressure Switch/Gauge, 0/100mm w.c.
Model: MP-100MM

Sale Price $561.99 USD
Regular Price $614.20 USD
Availability 6 to 7 Weeks

Qty:

Sale Price $561.99 USD
Regular Price $614.20 USD
Availability 6 to 7 Weeks
Quantity

Dwyer MP-10PSI Mini-Photohelic, Pressure Switch/Gauge, 0/10Psi-

Dwyer MP-10PSI Mini-Photohelic, Pressure Switch/Gauge, 0/10Psi
Model: MP-10PSI

Sale Price $562.87 USD
Regular Price $615.16 USD
Availability 7 to 8 Weeks

Qty:

Sale Price $562.87 USD
Regular Price $615.16 USD
Availability 7 to 8 Weeks
Quantity

Dwyer MP-125PA Mini-Photohelic, Pressure Switch/Gauge, 0/125Pa-

Dwyer MP-125PA Mini-Photohelic, Pressure Switch/Gauge, 0/125Pa
Model: MP-125PA

Sale Price $561.99 USD
Regular Price $614.20 USD
Availability 3 Days

Qty:

Sale Price $561.99 USD
Regular Price $614.20 USD
Availability 3 Days
Quantity

Dwyer MP-1KPA Mini-Photohelic, Pressure Switch/Gauge, 0/1Kpa-

Dwyer MP-1KPA Mini-Photohelic, Pressure Switch/Gauge, 0/1Kpa
Model: MP-1KPA

Sale Price $561.99 USD
Regular Price $614.20 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $561.99 USD
Regular Price $614.20 USD
Availability 1 to 2 Weeks
Quantity

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 $561.99 USD
Regular Price $614.20 USD
Availability 7 to 8 Weeks

Qty:

Sale Price $561.99 USD
Regular Price $614.20 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 $561.99 USD
Regular Price $614.20 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $561.99 USD
Regular Price $614.20 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 $561.99 USD
Regular Price $614.20 USD
Availability 5 Days

Qty:

Sale Price $561.99 USD
Regular Price $614.20 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 $561.99 USD
Regular Price $614.20 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $561.99 USD
Regular Price $614.20 USD
Availability 3 to 4 Weeks
Quantity

Dwyer MP-5PSI Mini-Photohelic, Pressure Switch/Gauge, 0/5Psi-

Dwyer MP-5PSI Mini-Photohelic, Pressure Switch/Gauge, 0/5Psi
Model: MP-5PSI

Sale Price $562.87 USD
Regular Price $615.16 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $562.87 USD
Regular Price $615.16 USD
Availability 3 to 4 Weeks
Quantity

Dwyer RHP-2N40-LCD Humidity, Temperature and Dew Point Transmitter, 0 to 100% RH, -40 to 140°F-

Dwyer RHP-2N40-LCD Humidity, Temperature and Dew Point Transmitter, 0 to 100% RH, -40 to 140°F
Model: RHP-2N40-LCD

Sale Price $223.99 USD
Regular Price $244.80 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $223.99 USD
Regular Price $244.80 USD
Availability 2 to 3 Weeks
Quantity

Dwyer SA1100 Series Diaphragm Operated Pressure Switches-

Dwyer SA1100 Series Diaphragm Operated Pressure Switches

Extremely rugged construction assures excellent reliability in chemical, petroleum and industrial plants. New design also provides burst pressure protection to 3000 psi (206 bar). The rolling diaphragm design maintains a constant effective area to minimize friction. This results in a minimum deadband as low as 5% of full scale.

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Dwyer SA1111E-A4-K1 Pressure Switch, Diaphragm, 10/150Psig, 1/4 NPTF, Alum-

Dwyer SA1111E-A4-K1 Pressure Switch, Diaphragm, 10/150Psig, 1/4 NPTF, Alum
Model: SA1111E-A4-K1

Sale Price $624.53 USD
Regular Price $682.55 USD
Availability 7 to 8 Weeks

Qty:

Sale Price $624.53 USD
Regular Price $682.55 USD
Availability 7 to 8 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 $691.69 USD
Regular Price $755.95 USD
Availability 15+ Weeks

Qty:

Sale Price $691.69 USD
Regular Price $755.95 USD
Availability 15+ Weeks
Quantity

Dwyer SA1112E-A4-K1 Pressure Switch, Diaphragm, 20/250 Psig, 1/4NPTF, Alum-

Dwyer SA1112E-A4-K1 Pressure Switch, Diaphragm, 20/250 Psig, 1/4NPTF, Alum
Model: SA1112E-A4-K1

Sale Price $624.53 USD
Regular Price $682.55 USD
Availability 8 to 9 Weeks

Qty:

Sale Price $624.53 USD
Regular Price $682.55 USD
Availability 8 to 9 Weeks
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 $691.69 USD
Regular Price $755.95 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $691.69 USD
Regular Price $755.95 USD
Availability 1 to 2 Weeks
Quantity

Dwyer SA1113E-A4-K1 Pressure Switch, Diaphragm, 30/500 Psig, 1/4NPTF, Alum-

Dwyer SA1113E-A4-K1 Pressure Switch, Diaphragm, 30/500 Psig, 1/4NPTF, Alum
Model: SA1113E-A4-K1

Sale Price $624.53 USD
Regular Price $682.55 USD
Availability 8 to 9 Weeks

Qty:

Sale Price $624.53 USD
Regular Price $682.55 USD
Availability 8 to 9 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 $691.69 USD
Regular Price $755.95 USD
Availability 8 to 9 Weeks

Qty:

Sale Price $691.69 USD
Regular Price $755.95 USD
Availability 8 to 9 Weeks
Quantity

Gems Sensors PS61P-10 OEM Subminiature Pressure Switch, 510 to 1,235 psi-

Gems Sensors PS61P-10 OEM Subminiature Pressure Switch, 510 to 1,235 psi
Model: PS61P-10

Call for Pricing
Availability 2 to 3 Weeks
Call for Pricing
Availability 2 to 3 Weeks
Showing 841 to 860 of 911 products
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