Water Heaters
Boilers
Direct-Vent Furnaces
Hydronic Furnaces
Other Products
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Products
TANKLESS WATER HEATERS
A tankless water heater is an energy-efficient water heating system that heats water only when it's needed.
LEARN ABOUT TANKLESSVALUE MODELS Ideal for smaller homes & warmer climates
LUXURY MODELS Higher capacity for medium to large homes
ULTRA MODELS Ultra-efficient condensing technology
- BOILERS
- DIRECT VENT FURNACES
- HYDRONIC FURNACES
- OTHER PRODUCTS
- BOILERS
- Special Offers/Rebates
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Customer Support
PRODUCT REGISTRATION
Register your product to stay informed on important warranty information and product updates, including faster, more convenient service.
START REGISTRATIONSELF-SERVICE SUPPORT
Find what you need for support online, or search for an Authorized Rinnai Service Provider nearest you.
MANUAL SEARCH SUPPORT FAQ TROUBLESHOOTING-
EMAIL US
SUBMIT ONLINE FORM -
CALL US
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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WRITE US
Rinnai America Corporation, Customer Support, 103 International Drive, Peachtree City, GA 30269
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