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This little gadget is pretty clever.
It's the Tempflow-FX from Coral Controls—a flow control valve that reacts to temperature.
So as the temperature of the media (air, fuel, wastewater, or water) changes, the valve adjusts flow automatically.

It's got 1/4\ female threads, and the body is made from Delrin, which is tough and corrosion-resistant.
Made right here in the United States.

Perfect for applications where you need flow to change with temperature—think cooling systems, fuel lines, or process control.

It's brand new, in the box.

Oh, and California folks: check Prop 65 info if that matters to you.

Otherwise, it's a neat, simple solution for thermal flow control.
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4.4 out of 5