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 181 to 200 of 907 products

Dwyer ADPS-06-2-N Adjustable Differential Pressure Switch (2.00 to 10.00" w.c.)-

Dwyer ADPS-06-2-N Adjustable Differential Pressure Switch (2.00 to 10.00" w.c.)
Model: ADPS-06-2-N

Sale Price $28.69 USD
Regular Price $31.35 USD
Availability 5 Days

Qty:

Sale Price $28.69 USD
Regular Price $31.35 USD
Availability 5 Days
Quantity

Dwyer ADPS-07-2-N Adjustable Differential Pressure Switch (4.00 to 16.00" w.c.)-

Dwyer ADPS-07-2-N Adjustable Differential Pressure Switch (4.00 to 16.00" w.c.)
Model: ADPS-07-2-N

Sale Price $28.69 USD
Regular Price $31.35 USD
Availability 1 Week

Qty:

Sale Price $28.69 USD
Regular Price $31.35 USD
Availability 1 Week
Quantity

Dwyer ADPS-08-2-N Adjustable Differential Pressure Switch (0.80 to 1.20" w.c.)-

Dwyer ADPS-08-2-N Adjustable Differential Pressure Switch (0.80 to 1.20" w.c.)
Model: ADPS-08-2-N

Sale Price $28.69 USD
Regular Price $31.35 USD
Availability 5 Days

Qty:

Sale Price $28.69 USD
Regular Price $31.35 USD
Availability 5 Days
Quantity

Dwyer ADPS Series Differential Pressure Switches-

Dwyer ADPS Series Differential Pressure Switches

Designed for pressure, vacuum, and differential pressures. The dual scaled adjustment knob in inches water column and pascals allows changes to the switching pressure to be made without a pressure gauge. The ADPS/EDPS is available with settings from 0.08 in w.c. (20 Pa) up to 20 in w.c. (5000 Pa).

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Dwyer A6-151221 Pressure Switch, 0.5-1 ±0.3 psi (0.03-0.07 ±0.02 bar), Brass-

Dwyer A6-151221 Pressure Switch, 0.5-1 ±0.3 psi (0.03-0.07 ±0.02 bar), Brass
Model: A6-151221

Sale Price $31.25 USD
Regular Price $34.15 USD
Availability 5 Days

Qty:

Sale Price $31.25 USD
Regular Price $34.15 USD
Availability 5 Days
Quantity

Dwyer A6 Series Pressure Switches-

Dwyer A6 Series Pressure Switches

Simple, setpoint field adjustment. Excellent setpoint integrity.

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Dwyer A6-251221 Pressure Switch, 1.1-3 ±0.5psi (0.08-0.21 ±0.03 bar), Brass-

Dwyer A6-251221 Pressure Switch, 1.1-3 ±0.5psi (0.08-0.21 ±0.03 bar), Brass
Model: A6-251221

Sale Price $31.98 USD
Regular Price $34.95 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $31.98 USD
Regular Price $34.95 USD
Availability 1 to 2 Weeks
Quantity

Dwyer A6-451221 Pressure Switch, 8-13 ±2 psi (0.55-0.90 ±0.18 bar), Brass-

Dwyer A6-451221 Pressure Switch, 8-13 ±2 psi (0.55-0.90 ±0.18 bar), Brass
Model: A6-451221

Sale Price $31.98 USD
Regular Price $34.95 USD
Availability 1 Week

Qty:

Sale Price $31.98 USD
Regular Price $34.95 USD
Availability 1 Week
Quantity

Dwyer A6-651221 Pressure Switch, 25-50 ±5 psi (1.72-3.45 ±0.34 bar), Brass-

Dwyer A6-651221 Pressure Switch, 25-50 ±5 psi (1.72-3.45 ±0.34 bar), Brass
Model: A6-651221

Sale Price $31.98 USD
Regular Price $34.95 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $31.98 USD
Regular Price $34.95 USD
Availability 3 to 4 Weeks
Quantity

Dwyer A6-751221 Pressure Switch, 51-90 ±7 psi (3.52-6.21 ±0.48 bar), Brass-

Dwyer A6-751221 Pressure Switch, 51-90 ±7 psi (3.52-6.21 ±0.48 bar), Brass
Model: A6-751221

Sale Price $31.98 USD
Regular Price $34.95 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $31.98 USD
Regular Price $34.95 USD
Availability 3 to 4 Weeks
Quantity

Dwyer Mercoid A6-851221 Pressure Switch, 91-150 ±10 psi (6.27-10.34 ±0.69 bar), Brass-

Dwyer Mercoid A6-851221 Pressure Switch, 91-150 ±10 psi (6.27-10.34 ±0.69 bar), Brass
Model: A6-851221

Sale Price $31.98 USD
Regular Price $34.95 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $31.98 USD
Regular Price $34.95 USD
Availability 3 to 4 Weeks
Quantity

Dwyer A6-153221 Pressure Switch, 0.5-1 ±0.3 psi (0.03-0.07 ±0.02 bar), 304SS-

Dwyer A6-153221 Pressure Switch, 0.5-1 ±0.3 psi (0.03-0.07 ±0.02 bar), 304SS
Model: A6-153221

Sale Price $35.09 USD
Regular Price $38.35 USD
Availability 1 Week

Qty:

Sale Price $35.09 USD
Regular Price $38.35 USD
Availability 1 Week
Quantity

Dwyer A6-253221 Pressure Switch, 1.1-3 ±0.5 psi (0.08-0.21 ±0.03 bar), 304SS-

Dwyer A6-253221 Pressure Switch, 1.1-3 ±0.5 psi (0.08-0.21 ±0.03 bar), 304SS
Model: A6-253221

Sale Price $35.09 USD
Regular Price $38.35 USD
Availability 1 Week

Qty:

Sale Price $35.09 USD
Regular Price $38.35 USD
Availability 1 Week
Quantity

Dwyer A6-353221 Pressure Switch, 3.1-7 ±1 psi (-0.48 ±0.07 bar), 304SS-

Dwyer A6-353221 Pressure Switch, 3.1-7 ±1 psi (-0.48 ±0.07 bar), 304SS
Model: A6-353221

Sale Price $35.09 USD
Regular Price $38.35 USD
Availability 5 Days

Qty:

Sale Price $35.09 USD
Regular Price $38.35 USD
Availability 5 Days
Quantity

Dwyer A6-453221 Pressure Switch, 8-13 ±2 psi (0.55-0.90 ±0.18 bar), 304SS-

Dwyer A6-453221 Pressure Switch, 8-13 ±2 psi (0.55-0.90 ±0.18 bar), 304SS
Model: A6-453221

Sale Price $35.09 USD
Regular Price $38.35 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $35.09 USD
Regular Price $38.35 USD
Availability 3 to 4 Weeks
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 A6-653221 Pressure Switch, 25-50 ±5 psi (1.72-3.45 ±0.34 bar), 304SS-

Dwyer A6-653221 Pressure Switch, 25-50 ±5 psi (1.72-3.45 ±0.34 bar), 304SS
Model: A6-653221

Sale Price $35.09 USD
Regular Price $38.35 USD
Availability 5 Days

Qty:

Sale Price $35.09 USD
Regular Price $38.35 USD
Availability 5 Days
Quantity

Dwyer A6-753221 Pressure Switch, 51-90 ±7 psi (3.52-6.21 ±0.48 bar), 304SS-

Dwyer A6-753221 Pressure Switch, 51-90 ±7 psi (3.52-6.21 ±0.48 bar), 304SS
Model: A6-753221

Sale Price $35.09 USD
Regular Price $38.35 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $35.09 USD
Regular Price $38.35 USD
Availability 1 to 2 Weeks
Quantity

Dwyer A6-853221 Pressure Switch, 91-150 ±10 psi (6.27-10.35 ±0.69 bar), 304SS-

Dwyer A6-853221 Pressure Switch, 91-150 ±10 psi (6.27-10.35 ±0.69 bar), 304SS
Model: A6-853221

Sale Price $35.09 USD
Regular Price $38.35 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $35.09 USD
Regular Price $38.35 USD
Availability 1 to 2 Weeks
Quantity

Dwyer MDA-211 Pressure Switch, Min. 2.0 (4.98) Max. 15 (37.37)-

Dwyer MDA-211 Pressure Switch, Min. 2.0 (4.98) Max. 15 (37.37)
Model: MDA-211

Sale Price $35.82 USD
Regular Price $39.15 USD
Availability 4 Days

Qty:

Sale Price $35.82 USD
Regular Price $39.15 USD
Availability 4 Days
Quantity
Showing 181 to 200 of 907 products
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