Device found in toilet cisterns and water tanks

CodyCross logoHere is the CodyCross answer for the clue “Device found in toilet cisterns and water tanks”. This 9-letter answer belongs to the Making a Documentary pack (Group 1512, Puzzle 4). If you are stuck on this clue from CodyCross — the themed crossword puzzle game developed by Fanatee — you will find the exact solution below along with every other clue in the same puzzle. Our database is verified by hand and updated daily against the official English version of the game.

Answer
BALLVALVE
9 letters