Fit Check (Return Reducer): Replacement ballcock / fill valve for Kohler 84499, 9269, 30673—verify your existing part number before ordering Fix Running / Slow-Fill Toilets: Replaces worn ballcock components that can cause toilets to run, overfill, or fill inconsistently (common in older tank designs) Built for Long Service Life: Made from code-compliant, chlorine-resistant materials designed for durable performance Straightforward Replacement: Designed for easy swap on compatible Kohler toilets—ideal for DIY repair or professional maintenance Made in the USA: USA-made replacement part built for dependable performance in older Kohler toilet systems Restore reliable tank filling on older Kohler toilets. The FlushLine replacement ballcock is designed as a direct-fit replacement for Kohler part numbers 84499, 9269, and 30673, helping you service older toilet designs that use a float-style fill valve. Built with code-compliant, chlorine-resistant materials and made in the USA, it’s designed for durable performance and long-term reliability. Before you buy: confirm your existing fill valve is the ballcock style and matches one of the listed Kohler reference numbers to ensure proper fit and avoid returns.