Installed on the toilet bowl, the baseplate provides the mounting interface that allows the WASHLET unit to slide securely into position and be removed when cleaning or servicing is required.
Please note, for Washlet+ models of the previous generation of seats (C2 / C5 / S500E / S550E) you need part# THU6477.
TOTO THU6478 Baseplate Assembly UPC Code: 739268418912.
TOTO THU6478 Baseplate Assembly for S2, S5, S7, S7A, KS5 and Other Washlet Bidet Seats
Frequently Asked Questions
• What if my order arrives damaged?
While we take great care in the packaging and handling of orders, we ask that customers inspect all shipments within 48 hours of delivery, and in the rare event that your order arrives damaged, please send us an email with a photo showing the damages (so we can file a claim with the carrier), and let us know whether you prefer a free replacement or a refund.
• Why do you ask for phone numbers during checkout?
Some shipping carriers, especially those handling freight, require a phone number to coordinate your delivery. We respect your privacy and guarantee that any information you provide will never be shared with third parties, except for shipping purposes.
The TOTO THU6478 Baseplate Assembly is a genuine TOTO replacement mounting plate designed for the S-seires WASHLET bidet seats, and for non-Washlet+ versions of the older C-series, and the S500e/S550e models.
The THU6478 is compatible with the new S2, S5, S7, S7A washlet bidet seats, as well as the KS5 and KS6 models. It's also compatible with a range of older TOTO WASHLET models, including standard (non-washlet+) variants of the C2, C5, S500e and S550e bidet seats, as well as K300.
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