Case 5120 Flush Valve (SP-20)
This Case Replacement Flush Valve is designed specifically for the three one-piece toilets shown in the images below.
Please note that the images of the original Case SP-20 flush valve are for reference only, as this valve has been discontinued since the 1960s and is no longer for sale.
 **Important Note:** Before installing the replacement flush valve, it is recommended to fill the original bolt holes with silicone caulk.Â
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All OEM numbers are used for reference purposes only.