271622 - Miller Coolant Flow Indicator for 1/2 Inch Hose

Protect Your Water-Cooled Torch

Every welder knows that a water-cooled torch is an investment worth protecting. The Miller 271622 Flow Indicator is your first line of defense against the silent killer of welding equipment: coolant failure. When you are under the hood, focused on the puddle, you need to know with a quick glance that your cooling system is doing its job. This flow indicator installs directly into your 1/2-inch coolant line and provides a clear visual sign—usually a spinning element or moving component—that liquid is actively circulating through the system. Without this simple device, a pump failure or a kinked line could go unnoticed until your torch cable melts or the head fails.

Designed for easy integration, this unit comes with fittings ready for 1/2-inch hose, making it a straightforward upgrade or replacement for your existing setup. Whether you are running a heavy-duty TIG station or a high-amperage MIG setup, heat dissipation is critical. This indicator takes the guesswork out of system monitoring. Instead of relying solely on temperature sensors that might trigger only after the torch is already hot, a flow indicator gives you real-time status of the fluid dynamics. It is a small part that plays a huge role in the longevity of your consumables and torch body.

This is a genuine Miller Electric product, meaning it is built to last and fit perfectly with Miller Coolmate units and other compatible systems. Don't risk your equipment on assumptions. Installing a fresh flow indicator ensures you can trust your cooling loop. If your current indicator is clouded, stuck, or leaking, swapping it out for the Miller 271622 restores that vital visual check, letting you keep your focus on the weld quality rather than worrying about equipment reliability.