Jandy Nitchless LED dead, does water need to be lowered to replace?

[Titan7]

so gonna have one replaced, installer is stating the water level does not need to be lowered? wont water get stuck in the conduit this way? I mean I guess the light unit is sealed.

Oh and of course jandy no longer makes same unit. Awesome.

 

[ajw22]

Light conduits are designed to be flooded. That is why they lead to a junction box that gives them an air gap. Water can fill the conduit until it reaches the level of the pool water.