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IoT UPGRADE KIT,CONCEALED EFV
Manufacturer Resources
Product Specs
- Product Group:
- Washroom/Bath Accessories
- Product Subgroup:
- Parts and Accessories
- Product Type:
- iot upgrade efv
- Parts and Accessories Type:
- Flush Valve
- Department:
- Plumbing
- Application:
- Toilet
TOTO THP3504 – Frequently Asked Questions
1) Will the THP3504 work on an exposed TOTO flush valve?
No. THP3504 belongs to TOTO's concealed electronic flush valve (EFV) IoT upgrade hardware. For exposed flushometer work it is the wrong fastener, and you should source the screw called out for that specific exposed valve instead.
2) What is the TOTO THP3504 screw used for?
THP3504 is a single replacement screw for TOTO concealed electronic flush valve hardware, supplied as part of the IoT upgrade kit for concealed EFV toilet flush valves. It is a fastener only, not a valve or sensor, so it is the part you order when one screw is lost or stripped during a flush valve service or upgrade.
3) Does the THP3504 screw come as a set or a single piece?
One piece per order. THP3504 is sold as a single screw, so if you are rebuilding more than one concealed flush valve, order the quantity you need up front rather than assuming a multi-pack.
4) I manage restrooms with TOTO sensor toilets - is THP3504 a stock item worth keeping on the shelf?
For a facility running TOTO concealed electronic flush valves, yes. THP3504 is the small captive fastener used in that concealed EFV assembly, and a single missing screw can hold up putting a fixture back in service. Keeping a few on the parts shelf alongside your other flush valve spares keeps a service call from turning into a reorder.
How fast can I get the TOTO THP3504 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 TOTO THP3504 come with a warranty?
Absolutely. The TOTO THP3504 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 TOTO THP3504?
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
Why buy the TOTO THP3504 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.