Pentair IntelliChem® Replacement Tubing | 3/8" x 20 ft | 521814 Ladders punctures and chaffing caused by

punctures and chaffing caused by ladders in your swimming pool

When the element becomes loaded with debris

stand and ball

Blue Color

confirm the part number SPX1091Z9 against your equipment's exploded diagram or the marking on the original coupling

Pentair IntelliChem® Replacement Tubing | 3/8" x 20 ft | 521814 Ladders punctures and chaffing caused byThe Pentair 521814 is the OEM replacement tubing for the IntelliChem Chemical Controller, supplied in a 3 8 inch diameter by 20 foot length in black. What It Does This tubing routes chemical dosing lines within the IntelliChem Chemical Controller system. Replacing worn, kinked, or degraded tubing restores accurate chemical delivery and helps maintain consistent water chemistry control. Match the part number on your existing tubing or your IntelliChem