100074696 | COMPUTER BOARD 540 | Lochinvar & A.O. Smith Part Number_3H0346700008 Its built-in pressure relief valve

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100074696 | COMPUTER BOARD 540 | Lochinvar & A.O. Smith Part Number_3H0346700008 Its built-in pressure relief valveEngineered for reliability and precision, the Lochinvar & A. O. Smith COMPUTER BOARD 540 [sku] is a high performance electronic control system designed for use in industrial and commercial applications. This advanced board features: State of the art electronic circuitry, ensuring precise and efficient operation. Robust construction, withstand demanding operating conditions. Easy installation and maintenance, minimizing downtime and maintenance costs.