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Ease of Installation: Included 36-inch capillary allows for remote mounting
it provides reliable pressure relief for gas burner systems with a 0-5 PSI operating range
Direct Coupled Installation: The non-spring return design mounts directly to shafts
and 20120 for simplified inventory
Lochinvar & A.O. Smith 100074696 Computer Board 326058-755 Ease of Installation: Included 36-inchThe 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