They come with a two year warranty.
I know, I just wanted to check here before calling them.They come with a two year warranty.
No the cap didn't come off. It is screwed on. The piece that actually pushes the air with the o ring separated from the rest of the center piece of PVC, allowing it to slide out while the end cap is still screwed on.If the plunger came out with the cap and the rubber o ring is still attached to the plunger (or can be put back on, it's not broke. There is a small screw the goes through the end cap and in to the body holding everything together. This allow you to disassemble and clean then replace the grease when the pump starts to get hard to depress the plunger. This is caused from water and dirt getting in the grease.