Installation and removal of sewer jumper cores
Release Date:
2026-04-17
The pop-up core of a drain is the only pathway for water to enter the basin, making it particularly prone to trapping dirt and grime. As a result, the pop-up core may fail to function properly—or may not pop up at all. In fact, pop-up cores are typically made of metal, usually copper, rather than zinc alloy (as found in some lower-quality drains), so they are less likely to crack. However, when they become clogged with dirt, they can lose their ability to pop up; simply clean them thoroughly to restore proper operation.
The pop-up core of a drain is the only pathway for water to enter the basin, making it particularly prone to trapping dirt and grime. As a result, the pop-up core may fail to pop up—or may not pop up at all. In fact, pop-up cores are typically made of metal (often copper), rather than zinc alloy (as found in some lower-quality drains), so they generally do not crack. The reason they fail to pop up is usually because they are clogged with dirt; simply clean them thoroughly.
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