TOTO GC Four-Hole Roman Tub Filler Rough-In – TBN02204U

The TOTO TBN02204U four-hole Roman tub-filler rough-in is designed for GC series tub-filler trim. Its corrosion-resistant forged brass body uses 1/2-inch NPSM connections.

• Rough-in components only; this is not a complete finished tub filler.
• GC TBG02201 trim is required and sold separately.
• A compatible connecting tube is required and sold separately. Choose the tube model for the installation spread using the official specification: TBN01011U, TBN01012U, TBN01013U, TBN01014U, TBN01015U or TBN01016U. Contact our showroom to confirm the correct tube and quote before ordering.
• Confirm deck thickness, mounting holes, spread, installation requirements and any required temperature-limiting device with the installer and official specification.

The photo shows the model-specific brass rough-in components. Finished trim and connecting tube are not pictured or included. The current active ordering SKU is TBN02204U#CP; the brass body photo does not depict a finished Chrome trim set.

Special order: Contact our showroom to confirm availability and lead time before ordering.

Official TOTO TBN02204U specification sheet (PDF)

Official TOTO product details · Explore our showroom catalog

Official source checked November 8, 2026. Prices are retail for the selected SKU. Special pricing is by quote and is not guaranteed for every model.