• For questions about your Wi-Fi router, contact
the router manufacturer.
• For questions about your Internet service,
contact your Internet Service Provider (ISP).
• For all other questions, contact Rinnai
Customer Care at 1-800-621-9419 and have
your module’s AYLA ID (located on back of
module) and water heater serial number
(located on side of water heater) available.
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