Check the listing for details. Wilspec HS200-20-0016 Low Pressure Control Switch. Condition: New – Open box. Listed at 15.99 USD. The Wilspec HS200-20-0016 Low Pressure Control Switch is a reliable and durable component designed for HVAC and refrigeration systems. Manufactured by Willspec, this switch serves as a control mechanism for regulating the pressure in the system. It is a crucial part for ensuring optimal functioning and efficiency in various industrial and commercial settings where precise control over pressure is essential. With its high-quality construction and performance, the Wilspec HS200-20-0016 Low Pressure Control Switch is a dependable choice for maintaining and improving the efficiency of HVAC and refrigeration systems.