Limited Lifetime Warranty Policy

1. Overview

This Limited Lifetime Warranty Policy applies to a product(s) and related parts manufactured and sold by Matsui USA, inc. Said products will be referred to for the remainder of this page as "the product". This warranty covers defects in materials and workmanship attributable to manufacturing, subject to the terms and conditions outlined below.

2. What "Limited Lifetime Warranty" Means

"Limited Lifetime Warranty" refers to coverage for defects resulting from manufacturing during the expected lifetime of "the product", as determined by Matsui USA. This warranty is limited in scope and does not cover issues arising from factors other than manufacturing-related defects.

3. Warranty Coverage

This warranty covers:

  • Manufacturing defects in materials or workmanship, as confirmed by Matsui USA

4. What Is Not Covered

This warranty does not cover damage or failure resulting from, including but not limited to:

  • Improper installation
  • Incorrect procedures during replacement
  • Misuse, abuse, negligence, or modification
  • Normal wear and tear
  • Use outside of intended or recommended applications
  • Installation, service, or handling inconsistent with provided instructions

5. Installation and Maintenance Guidance

To help prevent damage and ensure proper product performance, users are encouraged to:

  • Follow the installation procedures provided by Matsui USA
  • Observe recommended precautions during replacement
  • Refer to the instructional video provided by Matsui USA for details on recommended maintenance practices, including flushing

When submitting a warranty inquiry, photos clearly showing the area and nature of the issue are generally required to assist in evaluation. If photos are not available because the product has already been replaced or repaired, please explain the circumstances when contacting us. Such cases will be reviewed on a case-by-case basis.

Failure to provide sufficient information may affect warranty assessment.

6. How to Request Warranty Support

If you believe your case may fall under this warranty, please contact Matsui USA and provide:

  • Product details
  • Description of the issue
  • Installation and maintenance history
  • Photos or other supporting information, where available

7. Cases Outside Warranty Coverage

If your case does not fall under this warranty policy and you would still like to contact us, please fill out the inquiry form on our website.

Please note that customer support operations are located outside the United States, and response times may vary due to time zone differences and internal review requirements. We will make reasonable efforts to respond as promptly as possible.

8. Limitation of Liability

To the fullest extent permitted by law, Matsui USA shall not be liable for incidental, indirect, or consequential damages arising from the use or inability to use "the product".