SEAFLO Marine Toilet Manual Hand Flush Pump SFMTP-03 Replacement Fits Jabsco
MTP03
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SEAFLO Manual Flush Pump SFMTP-03
Premium Replacement Pump with Twist 'n' Lock Safety
The SEAFLO SFMTP-03 is a high-performance manual toilet pump assembly designed as a direct replacement for most standard marine toilets. Engineered for durability in harsh saltwater environments, it features a powerful self-priming, double-acting piston pump that ensures an efficient flush every time.
Key Features
- ✔ Universal Mounting: Reversible pump for left or right-handed use.
- ✔ Self-Priming: Reliable suction for above or below waterline use.
- ✔ Joker Valve Included: Pre-installed aortic joker valve for backflow prevention.
- ✔ Simple Servicing: All fastenings face front for easy maintenance.
Technical Specs
| Model: | SFMTP-03 |
| Inlet Diameter: | 19mm (3/4") |
| Discharge Diameter: | 38mm (1-1/2") |
| Control Type: | Twist 'n' Lock |
| Dimensions: | 30 x 19 x 12 cm |
| Weight: | approx. 0.8 kg |
Compatibility / Fitment Guide
| Manufacturer | Compatible Models | Notes |
|---|---|---|
| SEAFLO | SFMTM-01, SFMTM-01-R | Direct OEM Replacement |
| Jabsco | 29090 & 29120 Series | Fits 1986 to Present models |
| Jabsco | 29040-3000 | Direct Alternative |
OEM Cross Reference
| SEAFLO Part Number | SFMTP-03 |
| Jabsco Part Number | 29040-3000 |
| Internal Code | SFMTM-01-R-MTP03 |
Questions & Answers
Is this a genuine original part?
This is a premium quality aftermarket replacement part by SEAFLO, designed to meet or exceed the performance of the Jabsco 29040-3000 assembly.
How do I know if it is compatible?
If your current marine toilet uses a manual pump with a 3/4" inlet and 1.5" discharge (common on Jabsco and SEAFLO heads), this unit is a direct bolt-on replacement.
What does the "Twist 'n' Lock" handle actually do?
It provides a mechanical lock for the waste outlet valve. When the handle is pushed down and turned 90 degrees, it prevents water and waste from entering the bowl via the discharge line, even when the vessel is heeling or the tank is full.
Note: Please verify your original part number against the references above before purchasing. Distributed by 4Boats.

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