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

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Showing 381 to 400 of 907 products

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 A6 Series Pressure Switches-

Dwyer A6 Series Pressure Switches

Simple, setpoint field adjustment. Excellent setpoint integrity.

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NOSHOK 800-1-2-160-2 Pressure Switch, 2 NO or NC Contacts 1/4" NPT, M12 X 1 (4-Pin), 160 psig-

NOSHOK 800-1-2-160-2 Pressure Switch, 2 NO or NC Contacts 1/4" NPT, M12 X 1 (4-Pin), 160 psig
Model: 800-1-2-145-2 | Order No: 800-1-2-160-2

Sale Price $487.20 USD
Regular Price $812.00 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $487.20 USD
Regular Price $812.00 USD
Availability 3 to 4 Weeks
Quantity

NOSHOK 800-1-2-5000-2 Pressure Switch, 2 NO or NC Contacts 1/4" NPT, M12 X 1 (4-Pin), 5000 psig-

NOSHOK 800-1-2-5000-2 Pressure Switch, 2 NO or NC Contacts 1/4" NPT, M12 X 1 (4-Pin), 5000 psig
Model: 800-1-2-3750-2 | Order No: 800-1-2-5000-2

Sale Price $487.20 USD
Regular Price $812.00 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $487.20 USD
Regular Price $812.00 USD
Availability 3 to 4 Weeks
Quantity

NOSHOK 800-1-2-7500-2 Pressure Switch, 2 NO or NC Contacts 1/4" NPT, M12 X 1 (4-Pin), 7500 psig-

NOSHOK 800-1-2-7500-2 Pressure Switch, 2 NO or NC Contacts 1/4" NPT, M12 X 1 (4-Pin), 7500 psig
Model: 800-1-2-7500-2

Sale Price $454.51 USD
Regular Price $757.52 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $454.51 USD
Regular Price $757.52 USD
Availability 3 to 4 Weeks
Quantity

NOSHOK 800-1-2-1000-2 Pressure Switch, 2 NO or NC Contacts 1/4" NPT, M12 X 1 (4-Pin), 1000 psig-

NOSHOK 800-1-2-1000-2 Pressure Switch, 2 NO or NC Contacts 1/4" NPT, M12 X 1 (4-Pin), 1000 psig
Model: 800-1-2-750-2 | Order No: 800-1-2-1000-2

Sale Price $487.20 USD
Regular Price $812.00 USD
Availability 7 to 8 Weeks

Qty:

Sale Price $487.20 USD
Regular Price $812.00 USD
Availability 7 to 8 Weeks
Quantity

NOSHOK 800-2-2-14.5/160-2 Pressure Switch, 1 NO/NC Contact 4 to 20mA 1/4" NPT, M12 X 1 (4-Pin), -14.5 to 160 psig-

NOSHOK 800-2-2-14.5/160-2 Pressure Switch, 1 NO/NC Contact 4 to 20mA 1/4" NPT, M12 X 1 (4-Pin), -14.5 to 160 psig
Model: 800-2-2-14.5/145-2 | Order No: 800-2-2-14.5/160-2

Sale Price $537.26 USD
Regular Price $895.44 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $537.26 USD
Regular Price $895.44 USD
Availability 3 to 4 Weeks
Quantity

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 $548.40 USD
Regular Price $914.00 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $548.40 USD
Regular Price $914.00 USD
Availability 3 to 4 Weeks
Quantity

Ashcroft B424T1000# Differential Pressure Switch, General Purpose, 1/4 NPT, 0/1000 PSI-

Ashcroft B424T1000# Differential Pressure Switch, General Purpose, 1/4 NPT, 0/1000 PSI
Model: B424T1000#

Sale Price $295.35 USD
Regular Price $330.00 USD
Availability 1 Day

Qty:

Sale Price $295.35 USD
Regular Price $330.00 USD
Availability 1 Day
Quantity

Meriam 1226X-1-2 Explosion Proof Switch, 6" Brass, 1000 swp-

Meriam 1226X-1-2 Explosion Proof Switch, 6" Brass, 1000 swp
Model: 1226X-1-2

Sale Price $4521.60 USD
Regular Price $5024.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $4521.60 USD
Regular Price $5024.00 USD
Availability 2 to 3 Weeks
Quantity

Meriam 1226X-1-3 Explosion Proof Switch, 6" Brass, 1500 swp-

Meriam 1226X-1-3 Explosion Proof Switch, 6" Brass, 1500 swp
Model: 1226X-1-3

Sale Price $5462.10 USD
Regular Price $6069.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $5462.10 USD
Regular Price $6069.00 USD
Availability 2 to 3 Weeks
Quantity

Meriam 1226X-1-4 Explosion Proof Switch, 6" Brass, 3000 swp-

Meriam 1226X-1-4 Explosion Proof Switch, 6" Brass, 3000 swp
Model: 1226X-1-4

Sale Price $5859.90 USD
Regular Price $6511.00 USD
Availability 15+ Weeks

Qty:

Sale Price $5859.90 USD
Regular Price $6511.00 USD
Availability 15+ Weeks
Quantity
Showing 381 to 400 of 907 products
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