3 Simple Steps for Mizudo Heater Warranty Claim:

Step 1:

  • Mizudo offers three options for lodging a warranty claim: phone call, live chat on WhatsApp, or email. Your claim will be reviewed by the customer service team.

  • For a stress-free warranty claim, you need to provide proof of purchase, serial numbers, and photos of the installation and damaged parts.

Step 2:

  • All incoming shipments of products to Mizudo, regardless of type or reason, must be accompanied by a Return Goods Authorization ("RGA") number to facilitate any necessary repairs.

  • Please reach out to Mizudo to obtain an RGA number before shipping any items to ensure safe handling and processing.

Step 3:

  • There will be a non-negotiable 15% restocking fee for products returned without the original packaging or with missing parts or components.

  • Prior to returning a product for a refund, approval must be obtained from Mizudo's Customer Service team.

  • During the warranty process, Mizudo Heater may provide you with one of the following solutions: either a warranty replacement or warranty service during the warranty period.

Email Support

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Phone Number

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Chat or Submit a Claim

If you have trouble contacting Mizudo Heater, submit a claim with Warranty Valet® or chat with our agent for hassle-free claim assistance!

What is covered under the Mizudo Heater Warranty?

The Standard Limited Warranty covers any defects in materials or workmanship when the product is installed and operated according to Mizudo's written installation instructions, as outlined in this warranty document. This warranty is valid only for products correctly installed in the United States and Canad

  • 12-month warranty

What is NOT covered under the Mizudo Heater Warranty?

The following exclusions apply to this Limited Warranty: A repair, replacement, or refund will not be provided unless the product with the defective component is properly installed and maintained according to Mizudo’s Installation Manual and Use & Care Manual, and in compliance with all applicable laws, regulations, codes, policies, and licensing requirements. Abuse, misuse, alteration, neglect, or misapplication of the product will void this warranty. Additionally, damages due to improper installation, including issues with sizing, length, elevation, condensation drainage, or airflow, will not be covered. Mizudo Systems is not responsible for expenses arising from labor services, such as installation or removal due to a warranty claim. Services performed by third-party providers other than Mizudo Systems that result in damage will also void this warranty. The product is not to be used as a pool or spa heater; such use will be considered misuse and void the warranty. Other exclusions include damages from improper use, such as freezing within the unit or surrounding piping, incorrect sizing, scale buildup, or incorrect gas and/or water pressure. Mizudo will not cover increases in electricity costs for any reason, including additional or unusual use of supplemental electrical heat. The warranty does not cover damages from the use of non-potable, untreated, or poorly treated well water, or water with high pH levels or hardness above 12 grains per gallon (200 mg/L). If the original serial number on the product has been removed or altered, rendering it unidentifiable, the warranty will be void. Mizudo is not responsible for any default or delay in performance caused by factors beyond its control.

About Mizudo Heater

MIZUDO offers cutting-edge solutions for heating and hot water, prioritizing superior ergonomics, safety, ease of installation, and user convenience. Their award-winning gas boilers and water heaters are expertly engineered for energy efficiency across all climates, ensuring dependable comfort all day long. Their skilled team of engineers, with over a decade of collective experience in developing hot water products.

Products of Mizudo Heater

Electric Mini-Tank Water Heater Electric Mini-Tankless Water Heater Electric Tankless Water Heater Indoor Gas Tankless Water Heater Outdoor Gas Tankless Water Heater

Melissa Clifford

Warranty Claim Specialist

Are you tired of the constant stress and financial burden that comes with unexpected repairs? Look no further! Warranty Valet is always here to assist you in this difficulty and protect your valuable purchases. With our Hassle-Free claim process, you can get your product fixed with just a single click.

Contact Our Claim Experts

Feel free to get in touch with our Warranty Valet® claim experts. Our dedicated staff is more than happy to assist you.

Disclaimer: Warranty Valet exclusively functions as an agent for warranty claim processing and possesses no authority or ownership of Mizudo Heater logos or trademarks. The rights to all brand logos and trademarks remain the sole prerogative of Mizudo Heater.