this is the component that opens the water flow to the zone that is controlled electronically by the control panel
Solve serious problems for a company or other organization
(troubleshoot) trouble-shoot: solve problems; "He is known to be good at trouble-shooting"
The identification and resolution of problems, especially problems of a technical nature
Troubleshooting is a form of problem solving, often applied to repair failed products or processes. It is a logical, systematic search for the source of a problem so that it can be solved, and so the product or process can be made operational again.
Trace and correct faults in a mechanical or electronic system
orb: move in an orbit; "The moon orbits around the Earth"; "The planets are orbiting the sun"; "electrons orbit the nucleus"
the (usually elliptical) path described by one celestial body in its revolution about another; "he plotted the orbit of the moon"
sphere: a particular environment or walk of life; "his social sphere is limited"; "it was a closed area of employment"; "he's out of my orbit"
The curved path of a celestial object or spacecraft around a star, planet, or moon, esp. a periodic elliptical revolution
One complete circuit around an orbited body
The state of being on or moving in such a course
Fire Sprinkler Valve
This used to be in front of an Academy of Art University Building, and I'd walk by and see it a few times a week. Now the whole area has been demolished and this little garden and valve are no longer there. Update: valve may still be there, was hidden under debris. So maybe they'll put the garden back?