This easy to fit tank sender probe only requires one 22mm hole in the side of the tank. For an acurate reading the tank should be from 100mm to 280mm deep.
We have already used these senders in larger tanks, if you do so you have to be aware that the display will show full for longer before dropping in level.
The sender probe is sealed by a special grommet which is compressed in the hole when the nut is tightened and measures the water level by contact with the 5 sensors along the arm. It has no moving parts.
Our Tank Sender Probes are made for these displays:
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