Trane BRD4721 Board 340155-7024 When you are dealing with

When you are dealing with a dead blower or inconsistent heating cycles in a Nordyne furnace

The red LED provides specific fault codes such as "Watchguard" or "Flame Failure

Reliable Sealing: Nitrile (NBR) elastomers ensure a bubble-tight seal for fuel gas and air applications

making it a staple for service vans targeting mid-to-high efficiency upright and horizontal configurations

With non-interacting zero and span trimmers

Trane BRD4721 Board 340155-7024 When you are dealing withThe Trane BRD4721 is a job ready HVAC control board engineered specifically for high efficiency air handling applications requiring precise 400 CFM management. As a critical component in the sequence of operation, this 400 CFM fan board regulates motor speeds and optimizes airflow across the evaporator coil to ensure peak thermal transfer and system balance. Designed for seamless integration into residential and light commercial Trane air handlers,