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

How To Install Toto THU855 Auto Flush Kit for Dual Flush Toilets with S7A Washlet Bidet Seat newmisctag 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. 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. 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 Please note: the TOTO THU855 Auto‑Flush Kit is NOT compatible with the round‑front versions of the S7A/S7 Washlets. This is because the shape and button/rod alignment of round-front models differ from those of elongated versions. The THU855 kit is engineered around the elongated S7A's actuator layout, so it cannot be adjusted to work with round seats. For single-flush (1.28 or 1.6GPF) toilets please see the TOTO THU857 Auto-Flush Kit.