The Mushroom Valve is specifically designed to prevent water flowing out of the reservoir whilst filling. Should a replacement Mushroom Valve or Washer be required, please follow the steps below:
1. Remove the reservoir from the Propulse®
2. Remove the old Mushroom Valve from the reservoir and discard
3. Insert a new Mushroom Valve into the reservoir
4. Remove the rubber Washer from the underside of the tank plug hole and discard
5. Insert a new rubber Washer into the lip on the underside of the tank plug hole
6. Return the reservoir to the machine
