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Universal Toilet Water Fill Valve
- American Standard universal fill valve that will hold up in high-use areas, making it perfect for most applications
- Universal Fluid master 400A replacement fill valve includes valve, shank washer, lock, coupling nuts, coupling washer, refill tube and refill tube clip
- Reliable performance
- Easy to install
- Check your model toilet for compatibility
Manufacturer Resources
Product Specs
- Product Type:
- Fill Valve
- Product Group:
- Washroom/Bath Accessories
- Product Subgroup:
- Parts and Accessories
- Department:
- Plumbing
- Parts and Accessories Type:
- Fill Valve
- Application:
- Toilet
- Country of Origin:
- Mexico
American Standard 7381125-400.0070A – Frequently Asked Questions
1) Will the American Standard universal fill valve replace a Fluidmaster 400A?
Yes. The American Standard universal toilet fill valve is a direct replacement for the Fluidmaster 400A, and it ships with the valve, shank washer, lock nut, coupling nut, coupling washer, refill tube and refill tube clip, so you are not buying small parts separately. It is still worth checking your toilet model for compatibility before you pull the old valve.
2) Does this fill valve only work on American Standard toilets?
No. It is sold as a universal toilet fill valve, so it is intended to fit most tank-type toilets rather than one brand's tanks only. American Standard does advise confirming your specific toilet model for compatibility, which matters most on low-profile or non-standard tanks.
3) What do I need to buy with this toilet fill valve to finish the repair?
For the valve itself, nothing else. The kit covers the valve body, shank washer, lock nut, coupling nut and washer for the supply connection, plus the refill tube and its clip for the overflow. If you are doing a full tank rebuild you would still need a flapper and tank-to-bowl hardware, which are separate parts.
4) Is this fill valve suitable for high-traffic commercial or multi-family restrooms?
It is built for high-use areas, which is why property managers and MRO buyers use it as a standard stock item across a building's toilets. Standardizing on one universal fill valve means one part number on the truck for most tank toilets in the portfolio.
5) What is the part number for the American Standard universal toilet fill valve?
Order it as American Standard 7381125-400.0070A. It is a fill valve only, with no decorative finish option since it sits inside the tank.
6) Can a maintenance tech install this fill valve without special tools?
Yes. It is a standard tank-side swap: shut the supply, drain the tank, disconnect the coupling nut, back off the lock nut and lift the old valve out, then set this one with the supplied shank washer and reconnect. The refill tube and clip are in the box, so the only tooling needed is a pair of hands and usually a pair of pliers for the coupling nut.
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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 7381125-400.0070A come with a warranty?
Absolutely. The American Standard 7381125-400.0070A is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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