Enjoy the freedom to place a functional sink anywhere in your outdoor kitchen with the Challenger Designs On Demand Water System. This innovative accessory eliminates the need for permanent plumbing, allowing you to create a self-sufficient sink station in your island or cart.
This “ON DEMAND WATER SYSTEM” is a complete kit designed to provide running water to your sink. It typically includes an electric pump that activates when you turn on the faucet, drawing fresh water from a container stored below and directing waste water into a separate container. This creates a simple and effective closed-loop water solution.
Perfect for mobile islands on casters or patio kitchens far from the house, this system provides the ultimate convenience for hand washing, food prep, and cleanup. It’s an essential upgrade for creating a truly independent and fully functional outdoor kitchen.
Key Features
- Plumbing-Free Sink Solution: Provides running water without the need for a dedicated plumbing hookup.
- On-Demand Pump: The system activates automatically when the faucet is used for efficient water delivery.
- Ideal for Mobile Islands: The perfect accessory for creating a fully functional sink in a portable kitchen.
- Self-Contained Design: Designed to work with fresh and grey water tanks stored inside a cabinet.
- Easy Integration: Engineered to fit within Challenger Designs sink base cabinets.
Specifications
- Product Number: WTP
- Description: “On Demand Water System”
- Application: Self-contained water supply for outdoor sinks
Note: This is a water system kit. The faucet, sink, sink base cabinet, and water containers are sold separately. An electrical source may be required to power the pump.


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