Whirlpool Part Number 1166055: Humidistat, Control HUMIDISTAT Works with the following models: Whirlpool AD0302XA2, Whirlpool AD0302XS2, Whirlpool AD0402XA2 Whirlpool AD0402XS0, Whirlpool AD0502XA2, Whirlpool AD25G0, Whirlpool BHDH2500FS0