Toto ADAPTER KIT FOR WASHLET 1...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$5.20
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Toto ADAPTER KIT FOR WASHLET 1/2" THP3144

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Model: THP3144

In Stock (leaves warehouse same day if ordered before 3pm ET)

$5.20
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GASKET OD22,ID13,H1.5,NBR

Manufacturer Resources

Product Specs

Product Group:
Washroom/Bath Accessories
Product Subgroup:
Parts and Accessories
Product Type:
gasket
Parts and Accessories Type:
Gasket
Department:
Plumbing

TOTO THP3144 – Frequently Asked Questions

1) What is actually in the Toto THP3144 Washlet 1/2 inch adapter kit?
The THP3144 is a Washlet supply adapter kit built around a nitrile (NBR) gasket measuring OD 22, ID 13, H 1.5. It is a replacement part for the water supply connection on a Toto Washlet, not a complete supply line or valve.
2) Do I need any tools or extra parts to install the THP3144 Washlet adapter kit?
Shut off the supply, disconnect the Washlet supply hose at the connection, pull the old gasket out of the seat and drop the new one in dry. No sealant or tape goes on a gasketed face joint, and no thread compound is needed. The only thing you may want on hand is a fresh supply hose if the old one is also aged.
3) Will one Toto THP3144 adapter kit cover a whole building of Washlet units, or do I order one per fixture?
Order one THP3144 per Washlet connection. It is a single-gasket replacement kit sold under one part number with no size or quantity options, so a property with a dozen Washlets needs a dozen of them. Buying a few spares is worth it if you are standardizing on the same Washlet across units, since the gasket is the wear item at that joint.
4) Can I use a generic hardware store rubber washer instead of the Toto THP3144?
The dimensions have to match or the joint leaks. The Toto gasket is 22 OD, 13 ID and 1.5 thick in NBR, and a washer that is thicker, thinner or off on the bore will either not compress evenly or will intrude into the flow path. If you substitute, match those three numbers and the nitrile material exactly.
How fast can I get the TOTO THP3144 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 THP3144 come with a warranty?
Absolutely. The TOTO THP3144 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 THP3144?
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 THP3144 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.
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