Eheim repair parts?
I left my Eheim Professional II canister filter running for a couple days without checking on it. When I looked in on it, the pump wasn't running and it had siphoned out maybe 15 gallons of water onto the floor. It's possible that power was lost briefly during a thunder storm and the pump may have run dry for a time after the siphon broke, but I can't be sure. It's possible the pump just failed. Either way, the pump doesn't switch on at all now.
I'm looking at the Eheim parts lists (Eheimparts.com), and I think I need to replace the whole canister head maybe, but I can't figure out how to do that.