No parts available from the manufacturer for the Headmate. If you need the Joker Valve or the Spud Assembly or Spud Elbow, follow the red hyperlinks below and be taken to parts that will fit the Headmate. 
 
The Raritan PHII Pump will retrofit onto the Headmate Base. NOTE: You will need to downsize the mounting bolts to #10.The Headmate base has a lip on it that you will need to shave down for the bottom flapper and pump to fit flush on the base.