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 681 to 700 of 742 products

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 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

Dwyer 1910-1 Differential Pressure Switch (0.40-1.6"w.c.)-

Dwyer 1910-1 Differential Pressure Switch (0.40-1.6"w.c.)
Model: 1910-1

Sale Price $83.86 USD
Regular Price $91.65 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $83.86 USD
Regular Price $91.65 USD
Availability 2 to 3 Weeks
Quantity
SPECIAL!

Dwyer 1910-5 Differential Pressure Switch (1.4-5.5"w.c.)-

Dwyer 1910-5 Differential Pressure Switch (1.4-5.5"w.c.)
Model: 1910-5

Sale Price $83.86 USD
Regular Price $91.65 USD
Availability 6 to 7 Weeks

Qty:

Sale Price $83.86 USD
Regular Price $91.65 USD
Availability 6 to 7 Weeks
Quantity

Dwyer 1003E-B3-J Explosion-Proof Pressure Switch (5 to 40psig) with 316SS pressure chamber & FEP diaphragm-

Dwyer 1003E-B3-J Explosion-Proof Pressure Switch (5 to 40psig) with 316SS pressure chamber & FEP diaphragm
Model: 1003E-B3-J

Sale Price $1343.80 USD
Regular Price $1468.63 USD
Availability 11 to 12 Weeks

Qty:

Sale Price $1343.80 USD
Regular Price $1468.63 USD
Availability 11 to 12 Weeks
Quantity

Dwyer 1003W-A1-D Weatherproof Pressure Switch (5 to 40psig) with Aluminum pressure chamber & Polymide diaphragm-

Dwyer 1003W-A1-D Weatherproof Pressure Switch (5 to 40psig) with Aluminum pressure chamber & Polymide diaphragm
Model: 1003W-A1-D

Sale Price $782.37 USD
Regular Price $855.05 USD
Availability 15+ Weeks

Qty:

Sale Price $782.37 USD
Regular Price $855.05 USD
Availability 15+ Weeks
Quantity

Dwyer 1003W-B3-D Weatherproof Pressure Switch (5 to 40psig) with 316SS pressure chamber & FEP diaphragm-

Dwyer 1003W-B3-D Weatherproof Pressure Switch (5 to 40psig) with 316SS pressure chamber & FEP diaphragm
Model: 1003W-B3-D

Sale Price $887.70 USD
Regular Price $970.16 USD
Availability 5 to 6 Weeks

Qty:

Sale Price $887.70 USD
Regular Price $970.16 USD
Availability 5 to 6 Weeks
Quantity

Dwyer 1004E-A1-J Explosion-Proof Pressure Switch (10 to 70psig) with Aluminum pressure chamber & Polymide diaphragm-

Dwyer 1004E-A1-J Explosion-Proof Pressure Switch (10 to 70psig) with Aluminum pressure chamber & Polymide diaphragm
Model: 1004E-A1-J

Sale Price $1247.33 USD
Regular Price $1363.20 USD
Availability 15+ Weeks

Qty:

Sale Price $1247.33 USD
Regular Price $1363.20 USD
Availability 15+ Weeks
Quantity
Showing 681 to 700 of 742 products
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