Different manufacturers can have the exact same part number. Make sure to check your part links to one of our models! Please contact us if you need help.
American Standard: AHUMD300A
Lennox: WB2-17
This part may fit other models. Please contact us if you require additional assistance.
Scale control insert
4330, APRIL4330, APR4330, 01/04/4330, IL4330, 887544, 686720433009