![MyGuard Automatic Hot Water Heater Shut Off System and Water Leak Alarm and Detector, Quality Design and Material, Easy Installation, Compatible with Most Lever Action Ball Valves MyGuard Automatic Hot Water Heater Shut Off System and Water Leak Alarm and Detector, Quality Design and Material, Easy Installation, Compatible with Most Lever Action Ball Valves](https://images-na.ssl-images-amazon.com/images/I/71AprtynxxL._AC_UL210_SR210,210_.jpg)
MyGuard Automatic Hot Water Heater Shut Off System and Water Leak Alarm and Detector, Quality Design and Material, Easy Installation, Compatible with Most Lever Action Ball Valves
![plumbing - Why does shutting off cold water valve to the water heater shut down cold water in entire house? - Home Improvement Stack Exchange plumbing - Why does shutting off cold water valve to the water heater shut down cold water in entire house? - Home Improvement Stack Exchange](https://i.stack.imgur.com/5klo9.jpg)
plumbing - Why does shutting off cold water valve to the water heater shut down cold water in entire house? - Home Improvement Stack Exchange
![Water Heater Leak Alarm with 3/4" Automatic Shutoff Valve & Rope Sensor - FloodMaster RS-094-3/4-MK1 Water Heater Leak Alarm with 3/4" Automatic Shutoff Valve & Rope Sensor - FloodMaster RS-094-3/4-MK1](https://www.reliancedetection.com/jhm-item-images/RS-094-3/4-MK1_.default.jpg)
Water Heater Leak Alarm with 3/4" Automatic Shutoff Valve & Rope Sensor - FloodMaster RS-094-3/4-MK1
![plumbing - Why does shutting off cold water valve to the water heater shut down cold water in entire house? - Home Improvement Stack Exchange plumbing - Why does shutting off cold water valve to the water heater shut down cold water in entire house? - Home Improvement Stack Exchange](https://i.stack.imgur.com/0NhGR.jpg)
plumbing - Why does shutting off cold water valve to the water heater shut down cold water in entire house? - Home Improvement Stack Exchange
![Taco Comfort Solutions LeakBreaker Water Heater Shut-Off Valve with Control and Sensor LB-075H-1LF - The Home Depot Taco Comfort Solutions LeakBreaker Water Heater Shut-Off Valve with Control and Sensor LB-075H-1LF - The Home Depot](https://images.thdstatic.com/productImages/425ddfc8-69d9-4f51-9cd1-71cea6da6849/svn/taco-comfort-solutions-water-heater-accessories-lb-075h-1lf-64_600.jpg)
Taco Comfort Solutions LeakBreaker Water Heater Shut-Off Valve with Control and Sensor LB-075H-1LF - The Home Depot
![FloodStop Water Heater Auto-Shutoff Valve, FS3/4NPT, V4 Controller, Water Damage Prevention: Other Products: Amazon.com: Tools & Home Improvement FloodStop Water Heater Auto-Shutoff Valve, FS3/4NPT, V4 Controller, Water Damage Prevention: Other Products: Amazon.com: Tools & Home Improvement](https://m.media-amazon.com/images/I/91xbnRzOAaL.jpg)