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The AO SMITH 100371922 is an OEM WiFi module designed for AO Smith gas tankless water heaters. This connectivity module integrates with the water heater control system to enable wireless monitoring and control through a compatible mobile application. Licensed plumbers and HVAC technicians typically install this component during initial setup or as a replacement for a failed wireless communication module. It restores smart-home connectivity and remote access functionality to the heater without requiring a full control board replacement.
This module is intended for use with AO Smith gas-fired tankless water heater systems equipped with a WiFi connectivity port. It is suited for both residential and light-commercial installations where remote temperature monitoring, scheduling, or diagnostic access is required through a wireless network connection.
Designed as an OEM replacement WiFi module for AO Smith gas tankless water heater models equipped with a wireless connectivity interface port.
Installation should be performed by a licensed plumber or qualified HVAC technician. Before servicing the water heater, shut off the gas supply and disconnect electrical power to the unit. Consult the heater manufacturer service manual for the correct module seating and connection procedure. Follow all applicable local plumbing and mechanical codes during service.
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