Hi Expert, there is some white residue--two spots in 10

来源: 2024-08-27 06:11:24 [博客] [旧帖] [给我悄悄话] 本文已被阅读:

month old heat pump draining pan, one is about palm size in the front, one is smaller at the side. Is it a conern? I cleaned it yesterday,  not sticky, no funky smell.

Thank you!