Plastic Float Valve 3/4" MPT with Float — Pressure Washer Tank Valve This plastic float valve automatically controls the water level in your pressure washer float tank. As the water rises, the float lifts and shuts off the inlet supply. When the level drops, the valve reopens and refills the tank — keeping your pump fed with a consistent, steady water supply without any manual intervention. Specifications Inlet Connection: 3/4" MPT (Male Pipe Thread) Flow Rate: 6.6 to 8.0 GPM Maximum Temperature: 176°F Includes float arm assembly Material: Plastic How It Works The float rides on the surface of the water in your tank. As the water level rises, the arm pivots and physically closes the inlet valve, cutting off flow. When water is consumed and the level drops, the arm falls and reopens the valve. It's a simple, reliable mechanism with no electronics or power required. Pairs perfectly with our 1-Gallon Plastic Float Tank. SKU: 1019 — In stock and ready to ship.