Watts Launches LFUSG-CS Under Sink Guardian Point-of-Use Mixing Valve

This valve features a Cross Sense Indicator to make diagnosis and repairs easier.
April 13, 2026

The LFUSG-CS Under Sink Guardian by Watts is a point-of-use mixing valve with a Cross Sense Indicator that simplifies diagnosis and repair through visual indication and a replaceable strainer cartridge. Fouled or broken point-of-use mixing valves make diagnosis of crossflow difficult and frequently necessitate full replacements, leading to material waste, increased labor costs, and extended repair times.

LFUSG-CS’ Cross Sense Indicator signals when the mixing valve is experiencing an issue with color-coded indicators that display easy-to-read status information, including normal operation, idle conditions, crossflow at hot or cold inlets, or improper installation. This streamlines diagnosis and gives maintenance personnel the ability to see whether a replacement is necessary or if a repair can be made. The replaceable strainer cartridge includes a built-in check valve and dual 40 mesh stainless steel strainers, allowing techs to complete maintenance without removing the valve body. The LFUSG-CS meets Buy American Act compliance requirements.

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