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Black Friday Prices Are Live – All November.

TOTO THU445.10F-A Drain Valve Assembly with Nut for Drake II and Eco Drake Toilets

by TOTO | Bath4All is a TOTO authorized retailer.
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Original price $33.00 - Original price $33.00
Original price $33.00
$35.99
$35.99 - $35.99
Current price $35.99
In stock
Free 1-3 Day Delivery
No tax outside of CA, IL, NJ, PA, and WA.

Black Friday/Cyber Monday pricing

Black Friday Price — Locked In Through End of 2026

This is our lowest price of the season. If it drops, we'll

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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.

Replacement drain valve assembly with nut for compatible TOTO toilet tanks such as ST454E and ST454ET, ST743ER, ST743E(B)T and toilet models CST454CEF and CST454CEFG.

TOTO THU445.10F-A Drain Valve Assembly UPC Code: 739268321328.

Replacement part details

  • For the tower-style drain configuration, TOTO also lists this valve for tank ST454ERT. The parts table specifies the THU440 flush tower and THU407 seal gasket for the ST454ET and ST454ERT installations.