Our handy-dandy Spa Vac broke. As you can see below, the flapper on the one-way valve broke off. This a very critical part and the unit is useless without it.
I procrastinated on ordering a new valve because the part was $2.10 but shipping was $9.46, and I refused to order as a matter of principle. Luckily, my dad isn't as cheap or stubborn as me and he surprised me with a new valve on a recent visit.
After herniating myself trying to remove the old valve (eventually cutting it off), the new one popped right on and the Spa Vac is back in action.