This Vacuum Switch operates within a range of 17"Hg to 22"Hg and features a 1/4" FPT connection, making it suitable for various vacuum applications. Engineered for precision, it ensures reliable performance in controlling vacuum levels in systems such as HVAC, refrigeration, and industrial processes. The robust construction guarantees durability and compliance with industry standards, providing peace of mind for users. Ideal for monitoring and regulating vacuum pressure, this switch is a vital component for maintaining optimal system performance.