The Elco F9E2QY is an original Elco PMR/5-R2 pressure switch, also known by its current OEM part number 64202320. This robust pressure switch is designed for reliable monitoring of pressure levels in various heating and industrial applications. It features a pressure range of 0.5 to 5 bar, a G 1/4 inch connection, and is suitable for media temperatures up to 140 °C. The switch ensures safe and efficient operation by controlling electrical circuits based on detected pressure changes. It is an essential component for maintaining optimal system performance and safety.