Stern CLASSIC Series - User Manual

Questions and Answers

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Michael ShieldsAug 8, 2025
What to do if the water flow does not stop in my Stern CLASSIC Plumbing Product?
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  Craig PowellAug 8, 2025
  If the water flow from your Stern Plumbing Product won't stop, the issue might stem from debris or scale within the diaphragm; try cleaning the orifice or replacing the diaphragm. Alternatively, the sensor might be dirty or obstructed, so clean it or remove any obstructions. Lastly, reflections interfering with the sensor could be the cause; try decreasing the sensor range or eliminating the source of the reflection.
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Tonya CarterAug 17, 2025
How to fix diminished water flow in Stern CLASSIC?
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  James WebsterAug 17, 2025
  If the water flow from your Stern Plumbing Product has diminished, the filter or aerator might be clogged. Remove them, clean thoroughly, and then reinstall.
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Peggy ThompsonOct 27, 2025
Why is there no water coming from my Stern CLASSIC Plumbing Product?
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  Sarah LoganOct 27, 2025
  If your Stern Plumbing Product isn't dispensing water, several factors could be at play. It might be due to a low or completely drained battery, in which case you should replace it. The sensor range could also be the issue; try increasing or decreasing it. Reflections interfering with the sensor can also cause this, so eliminate any reflective surfaces. Check the connectors between the electronic unit and solenoid to ensure they're properly connected. Debris or scale in the solenoid or a plugged/torn diaphragm can also prevent water flow; clean the solenoid (using scale remover if needed, ensuring the spring is vertical when replacing the plunger) or clean/replace the diaphragm. Finally, water pressure issues could be the cause. If the supply pressure exceeds 8 bar, reduce it. If it's unde...