What parts fit the Whirlpool AD40LBK0?

Valve kit WP978025, Valve kit 978026, Valve kit 978027, Valve kit 978030.

Whirlpool AD40LBK0 dehumidifier parts: valve kit

Valve kit

Slow filling, no water or no ice can trace back to this valve.

Shop the valve kit on Amazon Other models that use WP978025

Valve kit

Slow filling, no water or no ice can trace back to this valve.

Shop the valve kit on Amazon Other models that use 978026

Valve kit

Slow filling, no water or no ice can trace back to this valve.

Shop the valve kit on Amazon Other models that use 978027

Valve kit

Slow filling, no water or no ice can trace back to this valve.

Shop the valve kit on Amazon Other models that use 978030

1Valve kitWP978025

Part numbers come from the Sears PartsDirect parts list for the Whirlpool AD40LBK0 (view the list), checked November 15, 2026. Amazon buttons open a search for the part number; we may earn a commission.

Where the model number is

On the back panel or inside the bucket opening.

Other Whirlpool dehumidifiers

AD25J3AD25TJ3AD35DSS1AD35USS0AD40DSL1AD40DSL4AD40USL1AD40USL3AD40USL4AD40USL5