Leaksmart LS8852000 Snap On Valve Controller

Leaksmart LS8852000 Snap On Valve Controller, No Tools Required

The LeakSmart Snap-On Valve Controller helps protect your home from water damage by automatically turning off your water if a leak is detected. It snaps onto your main water valve without tools, making it easy to install—no plumber needed.

The LS8852000 clamps over an existing ball or gate valve (¾″ or 1″) and turns it automatically—no cutting pipe, no tools, and it can mount at any angle. This valve controller requires a leakSMART® hub and leak sensors to close the water main when a leak is detected. A built-in battery backup keeps protection running during power or internet outages, and an automatic 22-day cleaning cycle exercises the valve to prevent mineral buildup.

What It Does Well

Snaps On in Minutes

Installs on most residential ball or gate valves without tools; no pipe cutting.

Works Through Outages

AC power with battery backup continues to open/close the valve even if power or internet is down.

Keeps the Valve Moving

Automatic 22-day cleaning cycle exercises the mechanism to reduce sticking from mineral deposits.

Clear Status at the Device

Three LED status lights show system/communication state at a glance.

Built for Real-World Plumbing

Industrial-strength actuator designed to operate older, stiff valves.

Leak Notifications

LeakSmarts’s SmartThings app pushes notifications of a leak detection or system communication lost to smartphones.

Key Specifications