If you are under warranty, please submit a support case at support.futurepump.com
SE1 valves are found inside the pump cylinder, one is placed on the bottom cylinder cover and one on the piston.
The valve can become dirty or worn overtime and you will notice reduced efficiency in pumping.
- Material: Silicon 70-75mm
- Dimensions: 45 x 2.5mm
- Sold in packs of 2