this Fenwal ignition module supports both local and remote flame sensing (RemSen)

Using this on a 2-pipe system may lead to bypass issues or improper condensate return

Designed with a forged brass body and a nickel-plated stem

As the direct replacement for the M9216-BGA-2YK

leading to overheating in the zone despite the thermostat signal

Lochinvar & A.O. Smith 100074696 Computer Board 322056-301 this Fenwal ignition module supportsThe Lochinvar & A. O. Smith 100074696 Computer Board is a critical genuine OEM replacement part engineered for high efficiency tankless water heater control. Specifically utilized in Takagi T H3 DV and T H3 OS equivalent models, including the ATIO 540H series, this Computer Board 540 manages the modulation of the gas valve and fan speed to maintain precise discharge water temperatures. When troubleshooting water heater error codes such as the 101 or