Ultima Selectronic Concealed Toilet Flush Valve with Wall Box, Base Model, Piston-Type, 1.28 gpf/4.8 Lpf
- For flushometer bowls with 1-1/2" (38 mm) exposed back spud
- POWER KIT MUST BE PURCHASED SEPARATELY
- FOR INSTALLATIONS WITH FRONT ACCESS
- Includes Wall Box with Vandal-Resistant Brushed S.S. Cover
- Touchless operation limits the spread of germs
- Exclusive DynaClean self-cleaning wiper spring technology
- Integral wiper spring cleans refill orifice with every flush to help prevent valve run-on
- Fully mechanical manual override can operate without power
- Proprietary brass alloy resists dezincification
- 1.28 gpf/4.8 Lpf
Manufacturer Resources
Product Specs
- Product Type:
- Flush Valve
- Product Group:
- Commercial
- Product Subgroup:
- Parts and Accessories
- Family:
- SELECTRONIC
- Luxury/Non Luxury:
- Non Luxury
- Residential Commercial:
- Commercial
- Product Length:
- 19.875
- Product Height:
- 8.31
- Product Weight:
- 20.018
- Product Width:
- 16
- Department:
- Plumbing
- Parts and Accessories Type:
- Flush Valve
- Application:
- Toilet
American Standard 606B321.007 – Frequently Asked Questions
1) Does the American Standard Ultima Selectronic concealed flush valve 606B321 come with a power supply?
No. The power kit is sold separately and must be ordered with it, whether you plan to run it on AC or battery. Budget for that as a second line item or the valve will land on site without a way to power the sensor. The manual override is fully mechanical, so the bowl can still be flushed if power drops.
2) What kind of toilet bowl does this concealed Ultima Selectronic flush valve work with?
It is built for flushometer bowls with a 1-1/2 inch (38 mm) exposed back spud. A tank-type toilet or a bowl with a top spud or a different spud size is not a match. Flush volume is 1.28 gpf / 4.8 Lpf, so pair it with a bowl rated for that volume.
3) Can this concealed flush valve be serviced if the wall behind it is not accessible?
Yes, it is made for front access installations. The valve sits in the supplied wall box and is reached through the front cover, so you do not need a chase or access panel behind the fixture. If your rough-in is set up for rear access only, this is not the configuration to order.
4) Does the Ultima Selectronic 606B321 include the wall box and cover, or are those extra?
The wall box ships with the valve, and it comes with a vandal-resistant brushed stainless steel cover. That matters in schools, transit restrooms, and correctional or high-traffic public facilities where an exposed flushometer takes abuse. The only separate purchase required is the power kit.
5) What stops a sensor flush valve from running on continuously?
On the Ultima Selectronic, the DynaClean self-cleaning wiper spring wipes the refill orifice on every flush. A clogged refill orifice is the usual cause of valve run-on, so keeping it clear is what heads off the callback. The piston-type operator and a brass alloy that resists dezincification are the other two parts of the same durability story in hard or aggressive water.
6) Which exact American Standard part number is the base model concealed Ultima toilet flush valve?
Order 606B321.007. That is the base-model, piston-type concealed Ultima Selectronic toilet valve at 1.28 gpf with the wall box included. The .007 suffix is the only configuration this model ships in, so there is no finish choice to specify on the order.
7) Is the Ultima Selectronic concealed flush valve rated for commercial restrooms or is it a residential part?
It is a commercial product from American Standard's Selectronic family, built for flushometer-bowl installations rather than residential tank toilets. Touchless sensor operation is the reason most facilities specify it, since nobody touches the valve to flush.
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Does the American Standard 606B321.007 come with a warranty?
Absolutely. The American Standard 606B321.007 is backed by a manufacturer’s warranty.
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