This pressure switch is a reliable and high-quality component for HVAC systems. It is designed to monitor the pressure levels within the system and ensure that it operates at optimal levels. The switch is easy to install and features a single-pole, single-throw (SPST) configuration. It has been manufactured to meet the highest industry standards, ensuring that it will provide accurate readings and long-lasting performance. With this pressure switch installed in your HVAC system, you can be confident that it will operate efficiently and effectively for years to come.