• New auto-flush kit for TOTO Washlet S7A and S7 bidet seats.

  • This kit is only compatible with dual-flush TOTO Aquia IV Washlet + (T40) toilets. 

  • Not compatible with TOTO S550e or S500e Washlets


TOTO THU855 Auto-Flush Kit for Washlet S7 and S7A Dual Flush Toilets

  • $118.45 Save $50

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The TOTO Auto Flush Kit is an easy to install upgrade for compatible WASHLET+ T40 toilets. This model is designed to work with dual flush 1.28 GPF and 0.9 GPF WASHLET+ toilets only.

When paired with the corresponding WASHLET+ toilet and Auto-Flush compatible WASHLET, the Auto Flush kit provides a hands-free automatic flush after every use. No need to touch buttons or handles, and never worry about someone forgetting to flush.


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