The Trane BRD04878 (X13650733070) Dual Relay Output Board is a critical interface module that provides dual output relay control for Trane chiller systems. Equipped with pluggable connectors, it ensures quick integration and replacement. This board requires programming upon installation to tailor it to the system?s operational needs, making it ideal for precise and efficient equipment control. Key Features Dual relay outputs for expanded control functions Pluggable connectors for easy service and replacement Programming required for customized configuration OEM-quality reliability and performance Compatible with select Trane commercial chillers Specifications Part Numbers: BRD04878, 0226994734, X13650733070 Type: Dual Relay Output Board Connectors: Pluggable terminal blocks Installation: Requires system programming post-install Application: Control expansion in Trane HVAC systems Compatible Models RTAF170EUAAHXUA2N21X RTAC1854UA0NUAFNN1NX1TDNNN0EN1 RTAC1554UL0NUAFNL1TX RTAC2004UA0NUAFNN4X1D0F1 RTAC200DUD0HANFNLINYITCDNN0 Why Choose This Item The Trane BRD04878 relay output board is the perfect choice when precision control and reliable performance are essential. It expands the functionality of your Trane system with OEM-matched integration and supports customized operation through programmable outputs. Ideal for professional HVAC technicians working with complex systems.