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- A genuine OEM replacement K, TRC Control Board. It is a vital electronic control component used in the inner cover control assembly of high-efficiency commercial gas water heaters.
- Functions as an internal system controller alongside the sister CSC control board and the TRC/CSC low-voltage wiring harness.
- Sends variable-frequency electronic signals to manage the combustion blower speed dynamically during the pre-purge, trial for ignition, and post-purge operational stages.
- Built exclusively for low-voltage commercial water heaters, relying on a dedicated low-voltage wiring harness to route data safely.
- Actively interfaces with the blocked inlet switch, blocked outlet switch, and lower temperature probes to immediately kill the gas valve if unsafe operating limits are reached.
- Utilizes a highly standardized terminal interface built for rapid matching with the OEM TRC/CSC low-voltage harness.
- ManufacturerA.O. SmithManufacturer #100347259