You can make a strong case that the invention of the emergency shower and eyewash is among the great advancements in industrial employee safety in the past 60 years. It’s difficult to imagine how we operated prior to their introduction. They revolutionized employee and employer peace-of-mind in hazardous material environments.
Those early system designs did not largely take into account the comfort and, to a point, the safety of the people who used them. Exposure to the significant volumes of water used in this equipment during a full-duty cycle can be uncomfortable and even dangerous if it is outside of a specific temperature range — either too cold or too warm.