Stenner Variable Cam [Feed Rate Control Qty 2] (UCFC5H0) is a replacement variable cam set for compatible Stenner feed rate control assemblies. The cam helps regulate the mechanical adjustment used to fine-tune chemical feed output. This part is commonly used during service when the feed rate control mechanism is worn, damaged, or no longer adjusting as smoothly as it should. Consistent dosing matters in pool, spa, and water treatment systems, especially where sanitizer, pH control, or other liquid treatment products are delivered automatically. Replacing worn feed rate control components can help restore smoother adjustment and more dependable pump performance. This Stenner Pumps quantity 2 part is intended for matching compatible feed rate control applications. Replacement variable cam set for compatible Stenner feed rate controls Helps support chemical feeder output adjustment Useful for service work on worn or damaged control assemblies Quantity 2 package as noted in the product title Part number UCFC5H0 supports accurate replacement ordering