6 Everyday Uses for Pressure Switches

6 Everyday Uses for Pressure Switches

by Pressure Vacuum Level Limited on June 28, 2023 Categories: Blog

Pressure switches may not be the most glamorous gadgets in our daily lives, but they are essential in many devices and systems we rely on. These small yet mighty devices are found in various applications, from home appliances to industrial machinery.

This blog post will explore some everyday uses for pressure switches and how they make our lives easier.

1. Home Water Systems

Ever wondered how your home's water pump knows when to turn on and off? Well, you can thank pressure switches for that. In domestic water systems, pressure switches monitor the water pressure inside the pipes. When the pressure drops below a certain level (indicating a need for more water), the pressure switch activates the pump to supply water. Once the pressure reaches the desired level, the switch shuts off the pump, ensuring efficient water usage and maintaining constant water pressure in your home.

2. Air Compressors

Pressure switches are crucial components in air compressor systems. They monitor the air pressure inside the compressor tank and regulate the compressor's operation. When the pressure drops below a specified minimum, the pressure switch turns on the compressor to refill the tank. Once the pressure reaches the maximum limit, the switch signals the compressor to stop, preventing over-pressurisation and damage to the equipment.

3. HVAC Systems

Heating, ventilation, and air conditioning (HVAC) systems rely on pressure switches to maintain optimal performance and safety. In these systems, pressure switches monitor the air or refrigerant pressure. If the pressure goes outside the acceptable range, the pressure switch can trigger alarms, shut down the system, or activate safety measures to prevent equipment malfunction or damage.

4. Automotive Applications

Pressure switches have numerous applications in vehicles, contributing to safety and convenience. For example, in tire pressure monitoring systems, pressure switches monitor the air pressure in each tire and send alerts to the driver if any tire is underinflated. This helps ensure proper tire maintenance, improve fuel efficiency, and reduce the risk of accidents caused by tire failures.

5. Industrial Equipment

Pressure switches are extensively used in various industrial settings. They help monitor and control fluid pressure in hydraulic systems, ensuring efficient operation and preventing damage to expensive machinery. Pressure switches also play a vital role in ensuring the safe operation of boilers, steam systems, and pipelines by monitoring pressure levels and activating safety mechanisms when necessary.

6. Medical Devices

Pressure switches are employed in medical equipment for various purposes. For instance, in respiratory devices like CPAP (Continuous Positive Airway Pressure) machines, pressure switches monitor the air pressure delivered to the patient and adjust it to the prescribed levels. This helps individuals with breathing difficulties maintain constant airflow during sleep, reducing symptoms like sleep apnea.


Pressure switches may be small and inconspicuous, but their impact on our everyday lives is significant. Pressure switches are crucial in various applications, from regulating water flow in our homes to ensuring safety in industrial settings and contributing to medical advancements. So, the next time you turn on a device or benefit from a system's smooth operation, remember that a pressure switch is likely working behind the scenes, quietly making your life easier.

Our Pressure Switch Products

Here at PVL, we supply a variety of pressure switches for use in various industries. Our biggest customer industry is Hydraulics and Pneumatics of which we are the leading pressure switch supplier in the UK.


We supply many companies and businesses, so get in touch to discover which pressure switch best suits your needs by emailing sales@pvl.co.uk or calling +44 (0) 1892 66 44 99