What pressure value should the control module pressure reading drop below when venting pressure?

The correct pressure value to consider when venting pressure from the SCBA control module is indeed 1575 psi. This is significant because the SCBA's design incorporates safety thresholds to ensure functionality and user safety. When the pressure in the system exceeds this value, it is critical to vent excess pressure to prevent damage to the equipment and maintain its operational integrity.

Operating above this pressure can compromise the SCBA's performance and could potentially lead to hazardous situations, such as equipment malfunction or inability to deploy the apparatus effectively during an emergency. This value is essential for maintaining optimal performance and prolonging the lifespan of the apparatus, making it a critical part of the knowledge for anyone operating or maintaining the SCBA.

Other values, while they may be relevant in different contexts, do not represent the specific threshold at which venting becomes necessary for safety and efficiency in the operation of the SCBA.