Whirlpool Part Number 1183422: Humidistat. Control HUMIDISTAT, CONTROL Works with the following models: Whirlpool 4AD50J0, Whirlpool AD040SJ2, Whirlpool AD050SJ2 Whirlpool AD25BBK0, Whirlpool AD25J3, Whirlpool AD25TJ1, Whirlpool AD25TJ2, Whirlpool AD25TJ3