A backflow prevention device is used to protect water supplies from contamination or pollution.
A back-siphonage preventer
mechanical device that attaches to a garden hose for watering lawn or garden
A device that sprays water
Sprinkler was short lived Grunge band from Portland, Oregon that debuted in 1992.
An automatic fire extinguisher installed in the ceilings of a building
A device used for watering lawns
Anything that sprinkles; An irrigation device that sprays water into the air whilst moving back and forth; A fire sprinkler; a heat actived fire extinguisher
(leak) an accidental hole that allows something (fluid or light etc.) to enter or escape; "one of the tires developed a leak"
(of liquid, gas, etc.) Pass in or out through a hole or crack in such a way
(of a container or covering) Accidentally lose or admit contents, esp. liquid or gas, through a hole or crack
(of secret information) Become known
(leak) soft watery rot in fruits and vegetables caused by fungi
(leak) tell anonymously; "The news were leaked to the paper"
Saeco backflow ball valve blackened
The spring and glass ball here were covered in coffee oil. The glass ball on the right had coffee stains etched into it.