here's the link to the regulator kit:
[URL]https://www.tanksinc.com/index...t_id=549/category_id=172/mode=prod/prd549.htm[/URL]
i used a generic relay from the jungle store. but their kit is fine too and not wildly overpriced.
save yourself the headache and get their fuel gauge with the sender. it's not flashy, but it works.