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Case Cover, EWATER Controller
Manufacturer Resources
Product Specs
- Product Group:
- Washroom/Bath Accessories
- Product Subgroup:
- Parts and Accessories
- Product Type:
- case ewater controller
- Parts and Accessories Type:
- Controller
- Department:
- Plumbing
- Application:
- Toilet Seat
TOTO THP3475 – Frequently Asked Questions
1) What exactly is the Toto THP3475 part?
THP3475 is the case cover for the eWater controller used on a Toto washlet-style toilet seat. It is a replacement housing piece, not the controller electronics and not the seat itself.
2) Is the Toto THP3475 the controller itself or just the cover?
Just the cover. The THP3475 is the case that encloses the eWater controller, so if the controller function has failed you need the controller assembly, not this housing. Order THP3475 when the existing case is cracked, discolored, or missing.
3) I manage a building with Toto washlet seats. How do I confirm THP3475 is the right case for mine?
Match by Toto part number rather than by seat model. THP3475 is Toto's own designation for the eWater controller case cover, so the correct way to verify fit is to look up the parts breakdown for your specific washlet model and confirm it calls out THP3475 for that position. Toto washlet generations use different controller housings, so a visual match is not enough.
4) Does the THP3475 come in different finishes or sizes?
No. The Toto eWater controller case ships as a single configuration under part number THP3475, with no finish or size choices to specify.
5) Is THP3475 a plumbing repair part or an electrical component I need a licensed tech for?
It is a plumbing fixture accessory, a molded case cover for the eWater controller on a Toto seat. Swapping the cover itself is a mechanical job, though you will be working around the seat's powered controller, so cut power to the washlet before opening the housing.
How fast can I get the TOTO THP3475 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 THP3475 come with a warranty?
Absolutely. The TOTO THP3475 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 THP3475?
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 THP3475 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.