Holding tank sensor

ric992

Member
Apr 5, 2021
147
Miami Beach
Boat Info
2007 Sundancer 48
Engines
Cummins QSC 8.3
Mine is no longer showing the level...not good right. I'm wondering where to get part and how to replace. Anyone else has had this issue?
 
Start with pulling the sensors and cleaning. There are small floats on the end of the plastic rods that move very little to activate the lights. There is likely a screw in cap with wires going into it on top of your tank. There is a plug. Unplug it, unscrew the cap, and the sensors are on plastic rods attached to that cap. Pull them out and clean them. The other option is to change to Zaal NoFlex Digestor. No lights worked on the 420DA we have now until about 4 months ago. Started with the digestor when we bought the boat 14 months earlier, now all work. Not a bad job pulling and cleaning the though and faster results.

Bennett
 

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