mycal on Nostr: npub18suxp…pnd38 OK I found this: I never seen one without the control box but this ...

npub18suxpradq6zcl5r5nfhrkzd7lm3lt3fe0ndg5dcmu4gs07779whqjpnd38 (npub18su…nd38) OK I found this: I never seen one without the control box but this link says:

https://www.ecmweb.com/maintenance-repair-operations/article/20889665/troubleshooting-residential-submersible-pump-systems