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Flush your outboards safely from inside the boat — no more leaning over the transom.
Complete Your System
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The Flushmaster “Flush Motors, Not Time” 30-Day Performance Guarantee
No More Leaning Over Your Motor
Flush Your Engine from Inside the Boat
- Relocate your flush ports to inside the boat
- Safer + easier flushing
- Marine-grade materials
- Single to Quad setups
How It Works
The Flush Port Reroute moves your engines’ OEM flush ports to a clean, accessible panel inside the boat. Just run a reinforced marine-grade hose through your existing rigging tube and connect directly to each engine’s flush port from inside the cowling.
- Choose your mounting location for the Reroute plate
- Access the flush line inside the engine cowling and integrate a new reinforced hose line using standard rigging practices
- Guide the hose through the cowling into the rigging tube and run to the Reroute plate
- Use the included template to prepare the area for mounting
- Secure the hose line to the barbs on the Reroute plate and mount plate
When it’s time to flush, simply connect your garden hose to the new flush point — no climbing, stretching, or leaning over the motor.

What's Included & What You Need
Included in the Box
- Flush Port Reroute Plate
- Quick Connect with barb - per outlet
- 316 SS nut - per outlet
- Rubber gasket - per outlet
- Female connector for hose end - per outlet
Not Included
You will need:
- Reinforced marine-grade hose
- T adapter fittings
- 316 SS hose clamps
- Drill with 7/64" or 1/8" bit
- Hole Saw or Jigsaw
- 316 SS #8 Fasteners
Safety Note:
Plumbing requirements vary by engine and vessel. We recommend installation by a qualified marine technician.
Which One Do I Need?
Use these options to pick the right Reroute for your boat setup.
# of Outlets
Choose from Single, Dual, Triple, or Quad outlets based off the number of engines.
Install Orientation
Choose from Vertical or Horizontal orientation based on how you are installing.
Barb Size
Choose between 1/2" or 3/8" barbs to match the existing hose for your flush line.
No More Slips and Falls


FAQs
Do I need additional supplies?
Yes. You will need these items to reroute the flush line:
- Reinforced marine-grade hose(s)
- T-fitting(s)
- 316 SS hose clamps
- #8 fasteners, 316 SS
- Drill with 7/64" or 1/8" bit
- Hole Saw or Jigsaw
Can I install this myself?
We always recommend using a marine professional when installing or cutting into your boat. However, if you can install speakers, you should be able to do this install. Rely on manufacturer or mechanic for assistance.
Does this mess with my engine performance?
No. All you are doing is rerouting the freshwater flush line for the engine. Any check valve function is still in place. We are not bypassing or losing anything.
Will my quick connects fit?
Yes. We designed our quick connects to work with any generic connector you can find in the store. However, our female connector piece is made with a 316 SS spring to prevent seizing or rust.
Does this work for multi-engine setups?
Yes. From Single to Quad, we have you covered.
5+ engine setups need to call us directly for special order.

