Crossword clues for the word: SHUTOFFVALVE The word SHUTOFFVALVE has appeared as an answer to at least 1 crossword clue on different crossword puzzles. Crossword clues for SHUTOFFVALVE Showing 1 to 1 of 1 results Clue(s) "H: ""Aha! The constructor must have used the ___ to kill the water to the building in this increasingly implausible narrative. The oldest theme in the book!""; W: ""Hmm, something's amiss here..."""