Protect the warranty on KOHLER products, always look for the KOHLER GENUINE PARTS logo Adjustable fill valve. Valve Type: Manual Look at shank color to determine correct part; if black, use this part and if grey, use GP1138930 Cap color may vary
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.