Jabsco Manual Toilet Replacement Pump Assembly – Twist ’n’ Lock
This Jabsco Twist ’n’ Lock pump assembly offers a full replacement for worn or outdated manual toilet pumps on Jabsco models. Compatible with the 29090 and 29120 series (1986–present), it features the safety-focused Twist ’n’ Lock handle to prevent siphoning and backflow. Installation is modular—mounts directly to the toilet base using standard fixings—and includes essential seals, gaskets, and hardware for a smooth repair experience. Ideal for maintaining reliable sanitation on vessels. Key Features
Compatible with Jabsco 29090 & 29120 compact/manual toilets, including pre‑2008 and Twist ’n’ Lock generations.
Twist ’n’ Lock safety handle locks the waste valve closed with a simple 90° turn—prevents flooding when not in use.
Direct retrofit for older models, updating legacy 29040 units to modern safety and seal standards.
Complete part kit includes pump cylinder, valve seat and gaskets, piston rod, buffer, flush lever, screws, and base seal.
Standard inlet/outlet ports: ¾" inlet and 1½" discharge—matches existing toilet plumbing. Specifications Specification Details Compatible Series Jabsco 29090 and 29120 (all model revisions from 1986–current) Lock Mechanism Twist ’n’ Lock handle (90° locking action) Inlet Diameter ¾″ (flush water inlet) Discharge Diameter 1½″ (waste outlet) Includes Pump cylinder, gaskets, seals, flush lever, buffer, and screw Installation Notes Replaces previous pump assemblies with minimal modification