Probably using a remote. https://levtech.ro/product/universal-service-remote-control-for-fuel-pumps/ https://levtech.ro/product/universal-service-remote-contro

Probably using a remote. https://levtech.ro/product/universal-service-remote-control-for-fuel-pumps/ https://levtech.ro/product/universal-service-remote-control-... There is also this... https://youtu.be/Bcnjp2PESqw?si=jS3QqPWw2mboWOkS https://youtu.be/Bcnjp2PESqw?si=jS3QqPWw2mboWOkS