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Pressure Switch

Adjustable Differential Pressure Switch – 0.08 to 20 inH2O (20 to 5000 Pa)

The Adjustable Differential Pressure Switch monitors pressure and vacuum with an easy-to-use knob. Ideal for HVAC applications, it features a compact design and durable materials.

Explosion-Proof Differential Pressure Switch, Weatherproof, 0.03-20 inH2O

The Series 1950 Explosion-Proof Differential Pressure Switch features a durable weatherproof housing, external set point adjustment, and is ideal for HVAC and process applications.

Durable Pressure Switches – Polyimide Diaphragm – 1/4 in NPT Male

The Series A6 Durable Pressure Switches feature a polyimide diaphragm and 1/4" NPT male connection, ideal for extended duty applications and versatile mounting.

General Purpose Industrial Pressure Switch

The PSW-100 series are 15 A DPDT switches with a fixed or adjustable deadband, adjustment lock, and UL listing for general purpose applications.

Compact Diaphragm Pressure Switch, SPDT, Visible Set Point, Vibration Resistant

The Compact Diaphragm Pressure Switch features a visible set point and SPDT design, ideal for small compressors and industrial use. It's vibration-resistant and easy to install.

Wet/Wet Differential Pressure Switch, 1 psid, Brass, Weatherproof

Wet/Wet Differential Pressure Switch for most gases and water based solutions. External adjustable set point, integral mounting flange and a removable electrical terminal block

Explosion-Proof Differential Pressure Switch, Weatherproof, UL Listed, 24 V

The Dwyer® Series 1950G Explosion-Proof Differential Pressure Switch is weatherproof and UL listed, designed for natural gas and outdoor use, ensuring safety and reliability.

Bourdon Tube Pressure Switches with External Adjustments for HVAC & Pumps

The Series DA/DS Bourdon Tube Pressure Switches offer high sensitivity and repeatability, with external adjustments for easy pressure setting. Ideal for HVAC and pump control.

OEM Mechanical Pressure Switch for Harsh Environments with 2 Outputs

The PSW-190 series are economical, compact SPDT switches with a fixed deadband that are available with a Buna-N or FKM diaphragm and o-ring for use in harsh environments.

Low-Pressure Diaphragm Pressure Switch, Weather & Explosion-Proof

The Series AP Low-Pressure Diaphragm Pressure Switch features a weatherproof and explosion-proof design, ideal for low-pressure applications and easy external adjustments.

Subminiature OEM Pressure Switch with High Proof Pressure & Adjustable Terminals

The Series A2 Subminiature Pressure Switch is ideal for OEM applications, featuring high proof pressure and adjustable terminals for easy installation and service.

Water Pump Pressure Switch, Easy Set Point, 1/4 in NPT, for Wells

The CXA Water Pump Pressure Switch is perfect for controlling automatic water systems. Easily adjustable and versatile, it suits all skill levels for well and pumping systems.

Pressure Switch for Steam Cleaners, SPDT, High Current, Compact Size

Compact SPDT pressure switch designed for steam cleaners. Ideal for high current applications, it features a diaphragm operation and high-temperature resistance.

Mini Adjustable Pressure Switch, Gold Contacts, HVAC, Industrial, Medical

Miniature Adjustable Pressure Switch applies to industrial, HVAC, medical and automotive applications. Gold inlay contacts. Small and lightweight.

Large Diaphragm Pressure Switch, UL/CSA, 15A, Visible Set Point, HVAC

Large Diaphragm Differential Pressure Switches are used with air or compatible gases. Applications include damper positioning and industrial service.

Electronic Pressure Switch with OLED Display and Alarm Outputs

The PSW2100 series features 2 alarm outputs, a 5-digit OLED display, 3 buttons for easy programming and operation, and a durable IP67 housing.

Pressure Switch for Air Control – High Precision, Leak-Proof, Easy Mounting

Single and Dual Pressure Switch which applies to damper positioning and duct air control. Provides leak-proof construction.

Mini High Sensitivity Pressure Switch, Adjustable Set Points, 50 Min Order

The Mini High Sensitivity Pressure Switch features adjustable set points for air or compatible fluids, ideal for controlling pumps and compressors. Minimum order of 50.

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