Parts that appear here are for current and older models of Jabsco and West Marine manual heads including Jabsco Manual Head (Jabsco #29090-2000), West Marine Compact Manual Head (WMTOI #29090-4000) and Jabsco's Compact and Full Sized Twist’n’Lock Manual Heads (Jabsco #29090-3000, 29090-3001, 29120-3000).
NOTE: Conversion to Twist’n’Lock operation requires installation of complete Pump Assembly (29040-3000) or Piston, Rod, O-Ring Assembly (29046-3000) and Valve Cover Assembly (29094-3000).