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

failure to energize the main gas valve after pilot ignition

Thermal Resilience: Rated for 200°C to withstand continuous operation in sealed FVIR combustion chambers without premature fatigue

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

Is the VM2212 compatible with standard Erie actuators

Lochinvar & A.O. Smith 100074696 Computer Board 322056-301 Using this on a 2-pipeThe 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