Original designed for Caravan & R/V fresh water tank use.
Water tank Fill / Refill. Push button to start. Valve opens (or pump runs) tank starts to fill, led indicators will reflect 1/4, 1/2, 3/4 etc.
Automatically turn pump off (&/or Close water valve) when full.
The LEDS & Switches are mounted on the rear of the PCB to allow the board to be panel mounted.
Additional buttons for emergancy stop, and show level leds at any time.
There is zero current in standy mode so ideal for battery operation off grid, where battery power is precious.
NOTE: The PCB is 65mm x 77mm