SF072-SF073 · 2 sub-ranges

Level & Compressor Duty Controls

Water level controller and compressor duty timer for pump automation and compressor protection. (Owner decision pending: keep as one browse family or split into two — see AMBIGUITIES.md.)

WLC100 · SF072

Water Level Controller

3-sensor water level controller for pump automation, DIN-rail, 1 CO.

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CDT-10 / CDT-180 · SF073

Compressor Duty Timer

Solid-state compressor duty timer enforcing a minimum off-time (10s or 180s) before restart.

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