Pressure Switches

Pressure Switches

Differential Pressure Switches are general purpose proving switches designed for both HVAC and Energy Management applications. These pressure switches can be used to sense positive, negative, or differential air pressures. Adjustable differential switches provide precise pressure control, and reliable sensing capabilities.

Refine by

No filters applied

Browse by Brand, Pressure Range & more Hide Filters Show Filters

Compare Add to Cart The item has been added

Dwyer

Dwyer 1920-10 Compact Differential Pressure Switch, Threaded Back Connections, 3.0-11.75 in WC, SPDT, 15A, UL/CSA/FM

MSRP:

Was:

Now: (Inc. Sales Tax)

MSRP: $126.50

Was:

Now: $100.73
Compare Add to Cart The item has been added

Dwyer

Dwyer 1920-20 Compact Differential Pressure Switch, Threaded Back Connections, 4.0-20.0 in WC, SPDT, 15A, UL/CSA/FM

MSRP:

Was:

Now: (Inc. Sales Tax)

MSRP: $126.50

Was:

Now: $100.73
Compare Add to Cart The item has been added

Dwyer

Dwyer 1920-5 Compact Differential Pressure Switch, Threaded Back Connections, 1.4-5.5 in WC, SPDT, 15A, UL/CSA/FM

MSRP:

Was:

Now: (Inc. Sales Tax)

MSRP: $126.50

Was:

Now: $100.73
Compare Add to Cart The item has been added

Dwyer

Dwyer 1921-0 Compact Differential Pressure Switch, Threaded Back, Bare Switch, 0.15-0.50 in WC, SPDT, 15A

MSRP:

Was:

Now: (Inc. Sales Tax)

MSRP: $126.50

Was:

Now: $100.73
Compare Add to Cart The item has been added

Dwyer

Dwyer 1921-00 Compact Differential Pressure Switch, Threaded Back, Bare Switch, 0.07-0.15 in WC, SPDT, 15A

MSRP:

Was:

Now: (Inc. Sales Tax)

MSRP: $130.15

Was:

Now: $103.64
Compare Add to Cart The item has been added

Dwyer

Dwyer 1921-1 Compact Differential Pressure Switch, Threaded Back, Bare Switch, 0.40-1.6 in WC, SPDT, 15A

MSRP:

Was:

Now: (Inc. Sales Tax)

MSRP: $126.50

Was:

Now: $100.73
Compare Add to Cart The item has been added

Dwyer

Dwyer 1921-10 Compact Differential Pressure Switch, Threaded Back, Bare Switch, 3.0-11.75 in WC, SPDT, 15A

MSRP:

Was:

Now: (Inc. Sales Tax)

MSRP: $126.50

Was:

Now: $100.73
Compare Add to Cart The item has been added

Dwyer

Dwyer 1921-20 Compact Differential Pressure Switch, Threaded Back, Bare Switch, 4.0-20.0 in WC, SPDT, 15A

MSRP:

Was:

Now: (Inc. Sales Tax)

MSRP: $126.50

Was:

Now: $100.73
Compare Add to Cart The item has been added

Dwyer

Dwyer 1921-5 Compact Differential Pressure Switch, Threaded Back, Bare Switch, 1.4-5.5 in WC, SPDT, 15A

MSRP:

Was:

Now: (Inc. Sales Tax)

MSRP: $126.50

Was:

Now: $100.73
Compare Add to Cart The item has been added

Dwyer

Dwyer 1950-0-2F : Series 1950 Explosion-Proof Differential Pressure Switch, 0.15 to 0.5 in W.C. Adjustable Setpoint, SPDT Relay, External Setpoint Adjustment, NEMA 3/7/9, UL/CSA/FM Class I C/D, II E/F/G, III

MSRP:

Was:

Now: (Inc. Sales Tax)

MSRP: $405.30

Was:

Now: $322.73
Compare Add to Cart The item has been added

Dwyer

Dwyer 1950-00-2F : Series 1950 Explosion-Proof Differential Pressure Switch, 0.07 to 0.15 in W.C. Adjustable Setpoint, SPDT Relay, External Setpoint Adjustment, NEMA 3/7/9, UL/CSA/FM Class I C/D, II E/F/G, III

MSRP:

Was:

Now: (Inc. Sales Tax)

MSRP: $405.30

Was:

Now: $322.73
Compare Add to Cart The item has been added

Dwyer

Dwyer 1950-1-2F : Series 1950 Explosion-Proof Differential Pressure Switch, 0.4 to 1.6 in W.C. Adjustable Setpoint, SPDT Relay, External Setpoint Adjustment, NEMA 3/7/9, UL/CSA/FM Class I C/D, II E/F/G, III

MSRP:

Was:

Now: (Inc. Sales Tax)

MSRP: $405.30

Was:

Now: $322.73
Compare Add to Cart The item has been added

Dwyer

Dwyer 1950-10-2F : Series 1950 Explosion-Proof Differential Pressure Switch, 3 to 11 in W.C. Adjustable Setpoint, SPDT Relay, External Setpoint Adjustment, NEMA 3/7/9, UL/CSA/FM Class I C/D, II E/F/G, III

MSRP:

Was:

Now: (Inc. Sales Tax)

MSRP: $405.30

Was:

Now: $322.73
Compare Add to Cart The item has been added

Dwyer

Dwyer 1950-20-2F : Series 1950 Explosion-Proof Differential Pressure Switch, 4 to 20 in W.C. Adjustable Setpoint, SPDT Relay, External Setpoint Adjustment, NEMA 3/7/9, UL/CSA/FM Class I C/D, II E/F/G, III

MSRP:

Was:

Now: (Inc. Sales Tax)

MSRP: $405.30

Was:

Now: $322.73
Compare Add to Cart The item has been added

Dwyer

Dwyer 1950-5-2F : Series 1950 Explosion-Proof Differential Pressure Switch, 1.4 to 5.5 in W.C. Adjustable Setpoint, SPDT Relay, External Setpoint Adjustment, NEMA 3/7/9, UL/CSA/FM Class I C/D, II E/F/G, III

MSRP:

Was:

Now: (Inc. Sales Tax)

MSRP: $405.30

Was:

Now: $322.73
Compare Add to Cart The item has been added

Dwyer

Dwyer 1950G-0-B-120-NA Explosion-Proof Differential Pressure Switch, 0.15-0.5 in WC, 120 VAC, SPDT, UL/CSA/FM Class I Div 1

MSRP:

Was:

Now: (Inc. Sales Tax)

MSRP: $631.40

Was:

Now: $502.75

Previous
1
2
3
4
5
6
7
8
9
10
Next