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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 521 to 540 of 911 products

NOSHOK 800-2-2-300-2 Pressure Switch, 1 NO/NC Contact 4 to 20mA 1/4" NPT, M12 X 1 (4-Pin), 0 to 300 psig-

NOSHOK 800-2-2-300-2 Pressure Switch, 1 NO/NC Contact 4 to 20mA 1/4" NPT, M12 X 1 (4-Pin), 0 to 300 psig
Model: 800-2-2-300-2

Sale Price $546.00 USD
Regular Price $910.00 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $546.00 USD
Regular Price $910.00 USD
Availability 3 to 4 Weeks
Quantity

Dwyer A6 Series Pressure Switches-

Dwyer A6 Series Pressure Switches

Simple, setpoint field adjustment. Excellent setpoint integrity.

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

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

Sale Price $775.26 USD
Regular Price $847.28 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $775.26 USD
Regular Price $847.28 USD
Availability 3 to 4 Weeks
Quantity

Dwyer 1950G-00-B-120 Explosion-Proof Differential Pressure Switch for Natural Gas (.07-0.15"w.c.)-

Dwyer 1950G-00-B-120 Explosion-Proof Differential Pressure Switch for Natural Gas (.07-0.15"w.c.)
Model: 1950G-00-B-120

Sale Price $759.29 USD
Regular Price $829.82 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $759.29 USD
Regular Price $829.82 USD
Availability 2 to 3 Weeks
Quantity

Dwyer 1950G-0-B-120 Explosion-Proof Differential Pressure Switch for Natural Gas (.15-0.5"w.c.)-

Dwyer 1950G-0-B-120 Explosion-Proof Differential Pressure Switch for Natural Gas (.15-0.5"w.c.)
Model: 1950G-0-B-120

Sale Price $759.29 USD
Regular Price $829.82 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $759.29 USD
Regular Price $829.82 USD
Availability 1 to 2 Weeks
Quantity

Dwyer 1950G-1-B-120 Explosion-Proof Differential Pressure Switch for Natural Gas (0.4-1.6"w.c.)-

Dwyer 1950G-1-B-120 Explosion-Proof Differential Pressure Switch for Natural Gas (0.4-1.6"w.c.)
Model: 1950G-1-B-120

Sale Price $759.29 USD
Regular Price $829.82 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $759.29 USD
Regular Price $829.82 USD
Availability 2 to 3 Weeks
Quantity

Dwyer 1950G-5-B-120 Explosion-Proof Differential Pressure Switch for Natural Gas (1.4-5.5"w.c.)-

Dwyer 1950G-5-B-120 Explosion-Proof Differential Pressure Switch for Natural Gas (1.4-5.5"w.c.)
Model: 1950G-5-B-120

Sale Price $759.29 USD
Regular Price $829.82 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $759.29 USD
Regular Price $829.82 USD
Availability 2 to 3 Weeks
Quantity

Dwyer 1950G-10-B-120 Explosion-Proof Differential Pressure Switch for Natural Gas (3.0-11"w.c.)-

Dwyer 1950G-10-B-120 Explosion-Proof Differential Pressure Switch for Natural Gas (3.0-11"w.c.)
Model: 1950G-10-B-120

Sale Price $775.26 USD
Regular Price $847.28 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $775.26 USD
Regular Price $847.28 USD
Availability 1 to 2 Weeks
Quantity

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 $31.89 USD
Regular Price $34.85 USD
Availability 5 Days

Qty:

Sale Price $31.89 USD
Regular Price $34.85 USD
Availability 5 Days
Quantity

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 $32.62 USD
Regular Price $35.65 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $32.62 USD
Regular Price $35.65 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 $32.62 USD
Regular Price $35.65 USD
Availability 1 Week

Qty:

Sale Price $32.62 USD
Regular Price $35.65 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 $32.62 USD
Regular Price $35.65 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $32.62 USD
Regular Price $35.65 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 $32.62 USD
Regular Price $35.65 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $32.62 USD
Regular Price $35.65 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 $32.62 USD
Regular Price $35.65 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $32.62 USD
Regular Price $35.65 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 $35.82 USD
Regular Price $39.15 USD
Availability 5 Days

Qty:

Sale Price $35.82 USD
Regular Price $39.15 USD
Availability 5 Days
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 $35.82 USD
Regular Price $39.15 USD
Availability 1 Week

Qty:

Sale Price $35.82 USD
Regular Price $39.15 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 $35.82 USD
Regular Price $39.15 USD
Availability 5 Days

Qty:

Sale Price $35.82 USD
Regular Price $39.15 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 $35.82 USD
Regular Price $39.15 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $35.82 USD
Regular Price $39.15 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 $35.82 USD
Regular Price $39.15 USD
Availability 1 in Stock

Qty:

Sale Price $35.82 USD
Regular Price $39.15 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 $35.82 USD
Regular Price $39.15 USD
Availability 5 Days

Qty:

Sale Price $35.82 USD
Regular Price $39.15 USD
Availability 5 Days
Quantity
Showing 521 to 540 of 911 products
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