Rola Chem Roller [RC3 Tri-NS Assy 3 Roller] (523400) is a replacement three-roller assembly for compatible Rola Chem RC3 Tri-NS chemical feeder equipment. Roller assemblies are key wear components in peristaltic pump systems because they compress the feed tube to move chemical solution through the line. Replacing worn rollers can help restore smoother pump operation, improve chemical feed consistency, and reduce unnecessary strain on squeeze tubing. This assembly is a practical service part for pool and spa chemical automation systems that rely on controlled dosing for sanitizer, pH adjustment, or other water treatment chemicals. Replacement 3-roller assembly for compatible Rola Chem RC3 Tri-NS systems Helps support consistent peristaltic pump chemical feed operation Useful when rollers are worn, noisy, damaged, or no longer turning smoothly Supports maintenance of automated pool and spa chemical dosing systems Order by part number 523400 to help confirm the correct assembly
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