Jabsco Twist 'n' Lock Manual Toilet Major Service Kit, For 29090 and 29120 Series, 1998-2007

Overview

The Jabsco 29045-2000 is a major service kit for Manual 29090 and 29120 Series marine toilets built from 1998 through 2007. It fits the 29090-2 and 29120-2 manual toilet range and covers the main wear parts in the pump and discharge section, including the seal assembly, joker valve, valve spring, and related gaskets and O-rings.

This is the right kit when the toilet itself is staying in place and the service work is focused on the internal pump parts rather than a full pump assembly swap. For boats that still run these earlier manual heads, it gives you the core rebuild parts in one pack and keeps the repair matched to the original toilet generation.

Key features

• Fits Jabsco 29090-2 and 29120-2 manual marine toilets from 1998 through 2007
• Major service kit for the working parts inside the manual pump and discharge path
• Includes the seal assembly, joker valve, valve spring, and core gaskets and O-rings used in a rebuild
• Suitable when the existing toilet remains in place and the goal is to refresh the internal wear parts
• Well matched to older manual heads still in use on cruising boats, fishing boats, and dayboats

Compatibility and fit

Fit matters here more than bowl style or cabin layout. Before ordering, confirm that your toilet is from the Jabsco 29090 or 29120 manual series in the 1998 to 2007 production window. This kit is tied to that service pattern and should not be treated as a universal rebuild kit for all Jabsco manual toilets.

It makes the most sense when the bowl, base, and main pump housing are still serviceable and you are refreshing the internal wear items that control sealing and discharge. If your toilet needs a full pump assembly or base hardware, those are separate parts.

Installation and service

Most of the parts in this kit are small service items, so it works well for bench service or an onboard rebuild where access around the toilet is limited. Clean the valve seats and pump surfaces before reassembly, and inspect the discharge hose and mounting points at the same time so the new seals are not being asked to compensate for problems elsewhere in the system.

For boat owners who keep older manual sanitation systems going, this kit is a practical match because it targets the normal wear points without changing the toilet layout, plumbing runs, or the manual operation of the head.

What’s included

• 2 screw caps
• 1 base valve gasket
• 1 seal assembly
• 1 top valve seat
• 1 top valve gasket
• 1 O-ring for the flush lever
• 1 screw for the flush lever
• 1 buffer
• 1 screw for the valve cover
• 1 O-ring for the piston
• 1 screw for the pump cylinder
• 1 joker valve
• 1 valve spring

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