For demand dose systems, what must be checked when floats are in water?

When floats are in water in demand dose systems, it's crucial to check float placement. The arrangement of floats directly impacts the system's operation by determining when the pump activates based on water levels. If the floats are positioned improperly, they might not respond correctly to the changing water levels, which can lead to issues such as pump failure, insufficient dosing, or even overflow situations. Ensuring that floats are at the appropriate heights and in the correct positions allows the system to function as designed, effectively managing the dosing of effluent and maintaining overall system efficiency.

In contrast, checking timer settings, water levels in the chamber, and orifice size while important in their own right, do not directly relate to the immediate functioning of the floats in the context of ensuring accurate operation. Timer settings control the duration and intervals of dosing but do not influence float activation. Similarly, while monitoring water levels is essential for assessing system performance, float placement is the key factor that ensures the floats can effectively measure those levels and trigger the system correctly. Orifice size impacts flow rates but is not related to float functionality.