Lochinvar & A.O. Smith TST2900 Temperature Controller R-410A Does this unit support room

Does this unit support room override

Series 221

Durable Construction: Built to withstand the vibration and thermal cycling common in residential and commercial HVAC environments

the 33246 is non-positional

and verify that the board is receiving 24V from the transformer while checking for continuity across the defrost sensor terminals

Lochinvar & A.O. Smith TST2900 Temperature Controller R-410A Does this unit support roomThe Lochinvar & A. O. Smith TST2900 Temperature Controller (cross referenced as part number 100170632) is a critical OEM immersion thermostat designed for high recovery commercial water heating applications. This direct acting temperature control provides precise thermal regulation for Lochinvar Copper Fin and A. O. Smith Conservationist series units. Engineered with a rugged sensing bulb and capillary assembly, the TST2900 ensures accurate setpoint