Trane BRD4570 Control Board R 410A Operational Reliability: Prevents common drainage Operational Reliability: Prevents common drainage failures that lead to water damage in the furnace cabinet or premature inducer motor failure Motor Protection: Reduces the risk of motor burnout by preventing work overhaul in systems with fluctuating internal pressure The Trane BRD4570 is designed to interface with standard Trane 10k ohm NTC Type II thermistors for accurate space temperature sensing though specific configuration parameters and airflow setpoints must be localized to the specific VAV box using Rover or a compatible service tool