Description

**EATON Controller I/O Board Part No: 99-5835-01** The Eaton Controller I/O Board Part No. 99-5835-01 is a critical electronic component designed for Eaton LMR Plus Fire Pump Controllers. Serving as an integral part of the controller's microprocessor assembly, the I/O (Input/Output) board manages communication between the controller and various system devices, including pressure switches, remote start inputs, alarm circuits, monitoring devices, status indicators, and control relays. It plays a vital role in processing input signals and controlling output functions required for reliable fire pump operation and system monitoring. ([eFirePump][1]) Engineered for dependable performance in fire protection applications, the 99-5835-01 I/O Board supports critical controller functions such as alarm monitoring, remote control operations, pump status indication, fault detection, system diagnostics, and communication between controller components. The board is commonly used in commercial buildings, industrial facilities, hospitals, airports, data centers, warehouses, and other installations where fire pump systems are essential for life safety and property protection. ([eFirePump][1]) Designed for Eaton LMR Plus controllers manufactured from August 2010 onwards, this replacement board helps restore controller functionality during maintenance, repair, refurbishment, or upgrade projects. Built with high-quality electronic components, it provides long-term reliability, stable performance, and efficient system operation under demanding conditions. The Eaton 99-5835-01 I/O Board is an essential spare part for maintaining fire pump controller readiness and ensuring continuous protection system performance.