Check the listing for details. *New* TSI Pressura 800243 Room Pressure Sensor W/ Cable. Condition: New. Listed at 84.99 USD. The TSI Pressura 800243 Room Pressure Sensor is a new product designed for use in HVAC and refrigeration systems. It comes with a cable for easy installation and accurate monitoring of room pressure. This sensor is a reliable tool for maintaining optimal pressure levels in commercial and industrial settings, ensuring efficient operation of heating, ventilation, and air conditioning systems.The TSI Pressura 800243 Room Pressure Sensor is a new product designed for use in HVAC and refrigeration systems. It comes with a cable for easy installation and accurate monitoring of room pressure. This sensor is a reliable tool for maintaining optimal pressure levels in commercial and industrial settings, ensuring efficient operation of heating, ventilation, and air conditioning systems.