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Manufacturer Resources
Product Specs
- Product Group:
- Washroom/Bath Accessories
- Product Subgroup:
- Parts and Accessories
- Product Type:
- cartridge sleeve
- Parts and Accessories Type:
- Valve Cartridge
- Department:
- Plumbing
- Application:
- Faucet
TOTO THP5478 – Frequently Asked Questions
1) What exactly is the TOTO THP5478 part?
THP5478 is a TOTO faucet cartridge sleeve, the O-ring sealed sleeve that the valve cartridge seats in. It is a faucet repair part, not a complete faucet or a complete valve body.
2) Is TOTO THP5478 a drop-in replacement for a dripping faucet, or do I need the cartridge too?
THP5478 covers the sleeve and O-ring side of the valve, so order it when the leak traces to a worn sleeve seal. If the cartridge itself is scored or failing, that is a separate TOTO part number and you will want both on the bench before you pull the trim apart.
3) How many part numbers do I order for a TOTO THP5478 repair, and is there a finish choice?
One. THP5478 is sold as a single part number with no finish or size options, so there is nothing to specify beyond the number itself. It is an internal valve component, so finish does not apply the way it would on exposed trim.
4) Should a property manager stock TOTO THP5478 for a maintenance kit?
It is a reasonable stocking item if your buildings run TOTO faucets, since a worn cartridge sleeve O-ring is a routine drip repair that avoids replacing the whole faucet. Confirm the THP5478 number against the faucet model you have on the wall, because TOTO uses different cartridge sleeves across its faucet families.
How fast can I get the TOTO THP5478 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 THP5478 come with a warranty?
Absolutely. The TOTO THP5478 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 THP5478?
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 THP5478 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.