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๐ฝ Upgrade your throne with TOTOโs precision fill valve!
The TOTO TSU99A.XR Fill Valve is a durable, adjustable replacement part designed to restore optimal performance to all TOTO toilet tanks. Featuring a standard 7/8 inch inlet connection and a complete installation kit, it ensures easy DIY upgrades with reliable brass and stainless steel construction. Trusted by thousands with a 4.6-star rating, itโs the smart choice for efficient, long-lasting toilet maintenance.









| ASIN | B0C3NB83Y2 |
| Brand | TOTO |
| Brand Name | TOTO |
| Customer Reviews | 4.6 out of 5 stars 685 Reviews |
| Exterior Finish | Brass or Stainless Steel |
| Exterior finish | Brass or Stainless Steel |
| Included Components | Fill Valve |
| Inlet Connection Size | 0.88 Inches |
| Inlet Connection Type | 7/8 inch |
| Inlet connection size | 0.88 Inches |
| Inlet connection type | 7/8 inch |
| Item Dimensions | 10.2 x 5.1 x 25.4 centimeters |
| Item Type Name | Fill Valve |
| Item dimensions L x W x H | 10.2 x 5.1 x 25.4 centimeters |
| Manufacturer | TOTO |
| Manufacturer Part Number | TSU99A.XR |
| Material | Brass , Stainless Steel |
| Material Type | Brass, Stainless Steel |
| Model Number | TS999A |
| Number of Pieces | 5 |
| Number of Ports | 1 |
| Outlet Connection Size | 0.87 Inches |
| Outlet Connection Type | Clamp |
| Size | 80 cubic inches |
| Specification Met | NSF |
| Thread Size | 7/8 inch |
| UPC | 739268433205 |
| Unit Count | 1 Count |
D**9
A perfect pump for when you Take a Dump
This appears to be an actual Toto product and was easy to install and works great to fill the tank after flapper engagement. My OEM fill valve randomly stopped working after about a decade of heavy use. Highly recommended and seems to fit most Totos.
L**L
Works great
Fixed the toilet and was easy to do.
J**H
Toto fill valve
Perfect fit and function! My local plumbing store would have had to order it and it was $30 more
B**A
Easy replacement of worn-out toilet fill valve assembly!
We had to replace the fill valve assembly/replacement valve in our TOTO toilet recently. This has worked very well! This replacement is specifically designed to work with a TOTO toilet. The instructions, and parts, included with this assembly made installation easy! We shut off the water valve at the wall behind the tank and pushed the existing water out of the tank. We placed a bucket under the tank to catch excess water when we removed the old assembly. After removing the old one, instructions walked us through installing the new one. We had no leaks when we turned the water back on! The instructions walked us through adjusting the assembly for water level were easy. This assembly sounds the same as the other assembly sounded.
A**R
works great
Have ordered and used before , Quality item easy to install
Trustpilot
3 weeks ago
2 months ago