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

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

Featuring 3/4 inch sweat ODF connections

reliable installations for field technicians

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

Lochinvar & A.O. Smith 100074696 Computer Board 322056-301 Thermal Resilience: Rated for 200°CThe 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