WAGS stands for water and gas safety valves. WAGS valves are designed to shut off water supply (plus gas supply from gas heaters) when water leaks from hot water heaters, thus minimizing water damage and possible gas leakage. Valves can Installed on all types of water heaters, the valve is fully mechanical and requires no external power supply.

The WAGS valve is located in the drip tray below the tank and is activated when water leaks from the pot. Once activated, the valve will shut off the water and gas supply, indicated by a red pop-up label. It is a one-time use device that does not contain user-serviceable parts. The gas water heater requires the supplied wiring harness. For electric water heaters, no wiring harness is required and can be discarded.

Other materials required for installation: water heater drip tray or other suitable device to raise water to 3/4 level; two 3/4 male x sweat adapters; two copper (or other approved) pipes, length due to Installation varies; two to four (depending on installation) 90 copper (or other approved) elbows.