American Standard Activate Flu...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$130.16
$82.77
American Standard Activate Flush Tower Assembly - AMS-7381551-401

American Standard Activate Flush Tower Assembly - AMS-7381551-401

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Model: 7381551-401.0070A
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$130.16
$82.77
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Activate Flush Tower Assembly
  • Removal:
  • Turn off the water supply and flush the toilet to empty the tank
  • Remove the tank cover
  • Disconnect the supply line and remove the tank nuts to free the tank from the bowl
  • Open the cover on the battery compartment and disconnect the battery cable from the battery terminal
  • Pull the locking collar off of the hose assembly using a twisting motion then remove the hose from the flush valve body
  • Make sure the O-ring is reinstalled on the barb elbow of the flush valve tower
  • Remove the refill tube clip from the flush valve body
  • Remove the nut from the bottom of the tank using a counterclockwise motion

Manufacturer Resources

Product Specs

Product Type:
Flush Tower Assembly
Product Group:
Washroom/Bath Accessories
Product Subgroup:
Parts and Accessories
Department:
Plumbing
Parts and Accessories Type:
Flush Valve
Application:
Toilet

American Standard 7381551-401.0070A – Frequently Asked Questions

1) What is the American Standard Activate flush tower assembly, part 7381551-401?
It's the replacement flush valve tower for American Standard Activate toilets, the battery-powered touchless models. The tower is the column inside the tank that opens the flush valve, and it connects to the battery pack by a hose with a locking collar plus a barb elbow that carries an O-ring. If the toilet has stopped flushing on the sensor or won't seal after a flush, this is the assembly that comes out of the tank.
2) Do I have to pull the toilet tank off the bowl to replace an Activate flush tower?
Yes. The removal sequence calls for shutting off the supply, flushing the tank empty, taking off the tank cover, disconnecting the supply line and backing off the tank nuts to free the tank from the bowl. The tower's retaining nut comes off the underside of the tank, counterclockwise, so the tank has to come up to reach it. Budget for a tank-to-bowl gasket and bolt set on the same trip, since the tank is coming down either way.
3) What do I need to disconnect before pulling the flush tower out of an Activate toilet tank?
Three connections, in order. Open the battery compartment cover and unplug the battery cable from the terminal first, so nothing tries to actuate while your hands are in the tank. Then twist the locking collar off the hose assembly and pull the hose off the flush valve body. Last, pop the refill tube clip off the flush valve body. After that the nut on the underside of the tank is the only thing holding the tower.
4) My Activate toilet runs constantly after I swapped the flush tower. What did I miss?
Check the O-ring on the barb elbow of the flush valve tower. The install instruction is explicit that it has to be reinstalled there, and it's the easiest piece to leave sitting in the old hose fitting or drop in the tank. A missing or pinched O-ring at that joint leaks and the tank never settles. Also confirm the locking collar is fully seated back over the hose, not just started.
5) Is the 7381551-401 flush tower a finished or visible part, and does it come in different colors?
It's an in-tank component, so there's no decorative finish on it, and it's sold one way only, part 7381551-401.0070A. Nothing about it has to match the trip lever, seat, or bowl color you already have on the fixture.
6) I manage a building with several American Standard Activate toilets. Should I stock this flush tower?
It's a reasonable shelf item if you have a run of Activate touchless toilets. The tower is the moving assembly in a system where the rest of the tank hardware is mostly static, and every replacement is the same part number across those fixtures, 7381551-401.0070A, so one SKU covers the fleet. The job is a tank-off job, though, so plan it as a scheduled repair rather than a five-minute call.
How fast can I get the American Standard 7381551-401.0070A delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the American Standard 7381551-401.0070A come with a warranty?
Absolutely. The American Standard 7381551-401.0070A is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the American Standard 7381551-401.0070A?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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