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Wellcomme™ UltraFloor-mounted top spud flushometer bowl

The Wellcomme Ultra floor-mount flushometer bowl features a revolutionary flushing engine, a refined aesthetic design, and a second pair of bolt holes to provide great stability. Measuring 15-1/4” to the top of the rim, the Wellcomme Ultra is perfect for smaller restrooms and stalls. The Ultra engine represents a breakthrough in flush performance, tolerating a wide range of water supply conditions found in R&R and new construction. This Wellcomme Ultra is listed from 1.1 to 1.6 gpf but can operate at 1.0 gpf. It performs well at every flush interval, making it uniquely effective with dual flush valves. It has been proven with all manner of valves (diaphragm, piston, manual, and electronic) from a variety of manufacturers.


Elongated bowl, standard height.

4-bolt base for added stability.

1-1/2" top spud.

10" x 7" water surface size.

2-1/8" (54 mm) fully-glazed trapway.


Vitreous china.


Designed to outperform competitors in bowl cleanliness and plug resistance.

Maximum waste removal.

Engineered for toilet seat cover removal.

Excellent bowl rinse.

Engineered to flush effectively in buildings with low supply pressure and flow.


26-3/8" L x 14-7/8" W x 15-1/4" H .

Replaces Wellcomme K-4350-B. Height and footprint may vary.

10" or 12" rough-in.

4-bolt installation.

Water Conservation & Rebates

1.1 to 1.6 gpf flush range (1.1, 1.28 and 1.6 gpf).

Notice to California Customers

WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov

For Shipping and Return policy refer to our Help Page

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