Pressure Switches

Dywer pressure switches are light and compact and can be used in HVAC/R applications, process and even all-weather applications. Find a wide selection of these switches to fit your application.


Dwyer AP Series Diaphragm Operated Pressure Switches-

Dwyer AP Series Diaphragm Operated Pressure Switches

Compact instrument for air or other low pressure applications. Visible set point and external adjustment add convenience. Used on air, non-corrosive gas or liquid service compatible with wetted parts. Unit also available in weatherproof and explosion-proof housing.


Dwyer CS & CD Series Diaphragm Pressure Switches-

Dwyer CS & CD Series Diaphragm Pressure Switches

Series CS and CD combine advanced design and precision construction in a small size. Unit is ideal for instrument panels, small compressors and general industrial applications. Visible set point and easy to wire SPDT snap switch reduce installation time. Operates in any position and is vibration resistant.


Dwyer CXA Series Water Pump Pressure Switches-

Dwyer CXA Series Water Pump Pressure Switches

Proven reliable for controlling automatic water systems. These switches are very popular for use on water well pumps and pumping systems. The set point and deadband are both easily adjustable via screws inside the cover. For ease of installation, the switches come with a 1/4" female NPT process connection and can be mounted in any orientation.


Dwyer MDA Series Miniature Adjustable Pressure Switches-

Dwyer MDA Series Miniature Adjustable Pressure Switches

Features field adjustable set point and gold inlay contacts. Air or other compatible fluids can be used on the "high side". The lightweight and compact size make the MDA ideal for any application with space constraints. Applications include industrial, HVAC/R, pump and motor control, medical, automotive, pools and spas.


Dwyer MDS Series Miniature Pressure Switches-

Dwyer MDS Series Miniature Pressure Switches

The Series MDS Pressure Switch is designed with a double diaphragm to protect false actuation due to shock and vibration. This low cost pressure switch has a minimum 20 million cycle life expectancy, and an extremely fast response time, making this an ideal device for OEM orders.


Dwyer SA1100 Series Diaphragm Operated Pressure Switches-

Dwyer SA1100 Series Diaphragm Operated Pressure Switches

Extremely rugged construction assures excellent reliability in chemical, petroleum and industrial plants. New design also provides burst pressure protection to 3000 psi (206 bar). The rolling diaphragm design maintains a constant effective area to minimize friction. This results in a minimum deadband as low as 5% of full scale.


Dwyer DA/DS Series Bourdon Tube Pressure Switches-

Dwyer DA/DS Series Bourdon Tube Pressure Switches

The Mercoid D Series is one of the world's broadest lines of pressure switches. Whatever your application might be, it is most probable it can be fully satisfied with a D Series pressure switch.


Dwyer DA/DS Series Bourdon Tube Pressure Switches with Weather-Proof Housing-

Dwyer DA/DS Series Bourdon Tube Pressure Switches with Weather-Proof Housing

The Mercoid D Series is one of the world's broadest lines of pressure switches. Whatever your application might be, it is most probable it can be fully satisfied with a D Series pressure switch.


Dwyer DA/DS Series Bourdon Tube Pressure Switches with Explosion-Proof Housing-

Dwyer DA/DS Series Bourdon Tube Pressure Switches with Explosion-Proof Housing

The Mercoid D Series is one of the world's broadest lines of pressure switches. Whatever your application might be, it is most probable it can be fully satisfied with a D Series pressure switch.