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Discussion Starter · #1 ·
Is the water line on submersible heaters legit? I would imagine the line has some room for error. Just bought a bigger wattage heater for my sump and it doesn't sit completely under water. Maybe quarter inch below the line exposed.
 

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Mount your heater diagonally (or even horizontally) if need be, rather than risk it burning up.
I agree. Keep water above the mark. Don't chance it at all. The line is there for a very valid reason. A dry run heater will crack.
 

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Discussion Starter · #4 ·
Diagonally is the only way I can fit it. I played with the water level in my sump to have it submerged. Thanks for the help.
 
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