Water Level Control

Does anyone have a design sketch or specs on this water level controller? This is Joe's Stanley and the pictured device is a Dave Nergard type WL controller.

I think David still sales a kit.
I believe it’s a linear capacitor and indicates in a milliamp meter.
Call him.

Rolly

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PXL_20210917_225318585 reduced.jpg	932.6 KB	open | download	Rick.H	11/05/2021	Read message