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Day: June 9, 2025

Small Device, Big Impact: How Pressure Switches Keep Systems In Check

Small Device, Big Impact: How Pressure Switches Keep Systems In Check

HVAC
If you’ve ever wondered what keeps your home’s furnace from running when there’s a blockage or why industrial machines don’t overheat or overpressurize, you’re probably looking at the quiet work of a pressure switch. While this small device is often tucked away behind panels or inside machines, its role is anything but minor. From homes to heavy industry, pressure switches serve as guardians of safety and performance. What Is a Pressure Switch? At its most basic level, a pressure switch is a device that monitors fluid or gas pressure within a system. When the pressure reaches a certain setpoint, the switch opens or closes an electrical circuit. This action can either start or stop a connected piece of equipment. Think of it like a traffic signal for pressure. When the system is within...