Jan Why is the seal screen necessary in my whirlpool microwave. I had to remove it as it was rusty, do I have to have it?
Answer Jan, The "seal screen" WPW10146437 is there to keep moisture, condensation and grease from entering the door assembly and developing problems inside the door. The microwave is usable as is but you'd want to get the new screen installed as soon as possible. Read More... Answered by AppliancePartsPros.com | Thursday, December 24, 2015