A/1K-NI-RO - 1K Ohms @ 70 DEG F (Nickel RTD). ACI's room enclosures combine option flexibility with attractive styling and they have four-way airflow to minimize self heating. Options include setpoint override communication jack and LCD. ACI room temperature sensors are designed for HVAC or Building Automation Systems. Specific applications include: zone control office and work space auditoriu conference room and hallways. Example Part Number: A/1K-NI-RO-LC Positive temperature coefficient4-Way airflo Night setback