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Watts Launches LFUSG-CS: Under Sink Guardian® Mixing Valve with New Cross Sense™ Indicator

New point-of-use mixing valve provides visual diagnostics for crossflow issues and enables faster repairs through a replaceable strainer cartridge

Watts announced the launch of the LFUSG-CS Under Sink Guardian®, a patented point-of-use mixing valve with a proprietary Cross Sense™ Indicator. It is the industry’s first point-of-use mixing valve engineered to simplify diagnosis and repair through visual indication and a replaceable strainer cartridge.

Addressing Common Mixing Valve Maintenance Challenges
Fouled or broken point-of-use mixing valves result in a challenging diagnosis process that frequently necessitates full replacements, leading to material waste, increased labor costs and extended repair times. The LFUSG-CS addresses these challenges with its Cross Sense™ Indicator technology, the industry’s first visual diagnostic technology that signals when the mixing valve is experiencing an issue. Color-coded indicators display easy-to-read status information, including normal operation, idle conditions, crossflow at hot or cold inlets or improper installation. This innovation offers contractors and maintenance personnel a streamlined diagnosis experience with the ability to easily see if a replacement is necessary or if a repair can be made.

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The patented Cross Sense™ Indicator represents the industry’s first visual diagnostic technology in an inline, point-of-use mixing valve.

The design of the LFUSG-CS supports proactive service rather than reactive replacement when a malfunctioning fixture cannot easily be identified. Its replaceable strainer cartridge includes a built-in check valve and dual 40 mesh stainless steel strainers, allowing maintenance to be completed without removing the valve body. This helps extend product life and support more sustainable practices by reducing material waste.

“The LFUSG-CS was developed in direct response to the cost, time and labor-intensive hassle associated with identifying and replacing fouled point-of-use mixing valves,” said Shashwat Nath, Senior Product Manager at Watts. “By combining visual crossflow diagnostics with a convenient replaceable cartridge, we’re proving that smarter, more sustainable maintenance and shorter service calls are possible.”

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The LFUSG-CS® makes it easy to repair a fouled mixing valve with a simple cartridge replacement.

Designed for Under-Sink Commercial Installations
The LFUSG-CS is intended for under-sink installations in commercial and institutional buildings where access is limited. Built-in visual diagnostics provide faster, more dependable feedback during maintenance, allowing issues to be identified and addressed more quickly. The patented upgrade solution features straightforward installation between the shutoff valves and the faucet and includes four compression nuts and a cold water outlet cap for a three-port application.

For more information on the Buy American Act (BAA) compliant LFUSG-CS® Under Sink Guardian with Cross Sense™ Indicator, visit, please click here.

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