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Manufacturer Resources
Product Specs
- Product Group:
- Washroom/Bath Accessories
- Product Subgroup:
- Parts and Accessories
- Product Type:
- sensor controller
- Parts and Accessories Type:
- Controller
- Department:
- Plumbing
TOTO TH559EDV551 – Frequently Asked Questions
1) What is TOTO part TH559EDV551?
TH559EDV551 is the sensor controller unit for a TOTO electronic faucet, the module that reads the sensor and drives the valve. It is a replacement component, not a complete faucet, so the spout and valve body stay in place and only the controller is swapped.
2) My TOTO sensor faucet runs constantly or will not turn on. Is the controller the part to replace?
If the solenoid and sensor eye check out but the faucet cycles on its own or stays dead, the controller is the logic module in that chain and TH559EDV551 is the replacement for faucets that call for it. Match the controller part number your faucet's parts breakdown specifies before ordering, since TOTO controllers are model specific and are not interchangeable across series.
3) What is the TOTO TH559EDV551 sensor controller made of?
The housing is ABS and PP plastic, which is why it is meant to sit in a protected location such as under the lavatory deck or inside the faucet body rather than in a wet, exposed position.
4) Does TH559EDV551 come in different finishes?
No. It is an internal control module, so there is a single version, TH559EDV551, with no finish options. Finish only matters on the visible faucet trim, which this part does not include.
How fast can I get the TOTO TH559EDV551 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 TH559EDV551 come with a warranty?
Absolutely. The TOTO TH559EDV551 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 TH559EDV551?
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 TH559EDV551 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.