Thank you for purchasing a Rinnai product. Registering your product serves as your proof of purchase, and will allow us to keep you informed on product updates. Please take a few minutes to register online now.
Call 1-800-621-9419 Monday - Friday between the hours of 8 AM - 8 PM EST. Please have your full serial number or model number available when contacting Rinnai regarding a product or service-related issue.
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Rinnai America Corporation, Customer Support, 103 International Drive, Peachtree City, GA 30269