Auto Top Off Float Valve

float valve
A ballcock (also balltap or float valve) is a mechanism, or machine for filling water tanks, such as those found in flush toilets, while avoiding overflow. The modern ballcock was invented by Joseph Bramah and Thomas Twyford.
A mechanism that regulates fluid level by using a float to control the filling of water in the water tank; used in swamp coolers to regulate water levels.
A valve which is mechanically actuated by a float. Utilized on many cooling towers to control make-up water supply.

top off
top: finish up or conclude; "They topped off their dinner with a cognac"; "top the evening with champagne"
fill to the point of almost overflowing; "She topped off the cup"
Fill a partially filled container to full capacity.

auto
An automobile
car: a motor vehicle with four wheels; usually propelled by an internal combustion engine; "he needs a car to get to work"
Auto is a sub-genre of Dramatic Literature. It has its origin in the Middle Ages, in Spain, by the 12th century. In Portugal, in the 16th century, Gil Vicente is the main author of this type of dramatic genre. Luis de Camoes and Dom Francisco Manuel de Mello also adopted this form of writing.
Oram Po is a Tamil comedy film starring Arya and Pooja. The film, directed by the debutant duo, Pushkar-Gayatri, is produced by V. Palanivel and A.C. Anandan for A.P. Film Garden. G. V. Prakash Kumar of Veyyil fame is the music director.