What is the recommended action for temperature management in a diver wearing a hot water suit?

In a hot water suit, the diver's thermal comfort is critical for both performance and safety. The recommended action is to have the diver bypass to the point of comfort. This method allows the diver to adjust the amount of hot water circulating through the suit, providing them control over their personal comfort level. Maintaining a suitable temperature helps prevent overheating, which can lead to heat stress or heat exhaustion.

Bypassing to a comfortable temperature allows for fine-tuning rather than forcing the suit to maximum heat, which could create an uncomfortable or unsafe situation. Additionally, such control enables the diver to focus on their tasks without distraction from discomfort caused by excessive heat.

While turning off the hot water supply may seem a straightforward solution, it would leave the diver without thermal protection, especially in colder water environments. Increasing the temperature to maximum risks overheating, and reducing the temperature gradually may not provide immediate relief for discomfort that the diver is experiencing. Overall, enabling the diver to find a comfortable balance through bypassing supports optimal safety and efficiency during their dive.