Key Takeaways. The cost to replace a main water shut-off valve ranges from $150 to $600, with an average cost of around $285.; The cost of the valve itself will vary by type, but most cost between ...

Fact checked by Emily EstepBathroom sink plumbing is straightforward because it involves only a few key components that are ...

Moen Flo Smart Water Monitor With Automatic Shut-off Valve. $445 at Wayfair. $600 $480 at Amazon $600 $480 at Lowe's. Pros. Stops leaks at the source; Monitors water temperature, flow rate, and ...