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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

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Showing 201 to 220 of 907 products

Dwyer A3300-4CM Photohelic Pressure Switch/Gauge (2-0-2cm w.c.)-

Dwyer A3300-4CM Photohelic Pressure Switch/Gauge (2-0-2cm w.c.)
Model: A3300-4CM

Sale Price $733.88 USD
Regular Price $802.05 USD
Availability 4 to 5 Weeks

Qty:

Sale Price $733.88 USD
Regular Price $802.05 USD
Availability 4 to 5 Weeks
Quantity

Dwyer A3300-500PA Photohelic Pressure Switch/Gauge (250-0-250 Pa)-

Dwyer A3300-500PA Photohelic Pressure Switch/Gauge (250-0-250 Pa)
Model: A3300-500PA

Sale Price $733.88 USD
Regular Price $802.05 USD
Availability 4 to 5 Weeks

Qty:

Sale Price $733.88 USD
Regular Price $802.05 USD
Availability 4 to 5 Weeks
Quantity

Dwyer A3301 Photohelic Pressure Switch/Gauge (0.5-0-0.5"w.c.)-

Dwyer A3301 Photohelic Pressure Switch/Gauge (0.5-0-0.5"w.c.)
Model: A3301

Sale Price $733.88 USD
Regular Price $802.05 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $733.88 USD
Regular Price $802.05 USD
Availability 1 to 2 Weeks
Quantity

Dwyer A3302 Photohelic Pressure Switch/Gauge (1-0-1"w.c.)-

Dwyer A3302 Photohelic Pressure Switch/Gauge (1-0-1"w.c.)
Model: A3302

Sale Price $733.88 USD
Regular Price $802.05 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $733.88 USD
Regular Price $802.05 USD
Availability 1 to 2 Weeks
Quantity

Dwyer A3304 Photohelic Pressure Switch/Gauge (2-0-2"w.c.)-

Dwyer A3304 Photohelic Pressure Switch/Gauge (2-0-2"w.c.)
Model: A3304

Sale Price $733.88 USD
Regular Price $802.05 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $733.88 USD
Regular Price $802.05 USD
Availability 2 to 3 Weeks
Quantity

Dwyer A3310 Photohelic Pressure Switch/Gauge (5-0-5"w.c.)-

Dwyer A3310 Photohelic Pressure Switch/Gauge (5-0-5"w.c.)
Model: A3310

Sale Price $733.88 USD
Regular Price $802.05 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $733.88 USD
Regular Price $802.05 USD
Availability 1 to 2 Weeks
Quantity

Dwyer A3320 Photohelic Pressure Switch/Gauge (10-0-10"w.c.)-

Dwyer A3320 Photohelic Pressure Switch/Gauge (10-0-10"w.c.)
Model: A3320

Sale Price $733.88 USD
Regular Price $802.05 USD
Availability 9 to 10 Weeks

Qty:

Sale Price $733.88 USD
Regular Price $802.05 USD
Availability 9 to 10 Weeks
Quantity

Dwyer A3330 Photohelic Pressure Switch/Gauge (15-0-15"w.c.)-

Dwyer A3330 Photohelic Pressure Switch/Gauge (15-0-15"w.c.)
Model: A3330

Sale Price $733.88 USD
Regular Price $802.05 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $733.88 USD
Regular Price $802.05 USD
Availability 3 to 4 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 $31.25 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 A6-153221 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 A6-251221 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 A6-253221 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 A6-451221 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 A6-453221 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 A6-651221 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 A6-653221 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 A6-751221 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 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 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
Showing 201 to 220 of 907 products
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