Pressure Switch

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.

Compact Low Differential Pressure Switches

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.

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

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

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.

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.

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.

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

Compact Low Differential Pressure Switches

The Gas Pressure/Differential Pressure Switch works with air and gases, has an external setpoint adjustment, and is suitable for natural, manufactured, or LP gas applications.

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

The Weatherproof Diaphragm Pressure Switch is designed for chemical and industrial use, featuring rugged construction and reliable performance in harsh environments.

The PSW-1110 series are cost-effective digital pressure switches that are easy to read, easy to program, and perfect for small spaces.

The PSW-690 series are compact, economical SPST switches with all stainless steel wetted part and high purity, making them suitable for medical applications.

The PSW-150 series are differential 15 A DPDT switches with a fixed deadband and UL listing for general purpose applications.

The PSW-300 series are 10 A SPDT switches with fixed or adjustable deadbands that are UL listed and CSA certified along with a NEMA-4X enclosure for harsh environments.

The PSW-200 series are hermetically sealed SPDT and DPDT switches that are UL listed and cUL certified with a NEMA-4X housing for harsh environments.

The PSW-621 series are economical, compact SPST switches with a fixed deadband and zinc alloy composition that makes these suitable for indoor industrial applications.

The PSW-370 series are 15 A SPDT switches with a fixed deadband and dual outputs that are UL listed and CSA certified along with a NEMA-4X enclosure for harsh environments.