pilot valve

11 LETTERS · STARTS WITH P

pilot valve is a valid 11-letter word worth 18 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3I1L1O1T1V4A1L1V4E1

3 + 1 + 1 + 1 + 1 + 0 + 4 + 1 + 1 + 4 + 1 =18 PTS

DOUBLE WORD → 36TRIPLE WORD → 54

MEANING

What does pilot valve mean?