Technicians should look for audible humming

'Open on Rise' signifies that the electrical contacts will break (open) the circuit when the temperature reaches 170°F

it delivers a high flow capacity with a 4 Cv flow coefficient

it can typically be field-converted using a compatible OEM conversion kit

you must purchase the blower motor and inducer wheel separately or as part of a complete venter assembly

Lochinvar & A.O. Smith 100208492 Control R-410A Technicians should look for audibleThe Lochinvar & A. O. Smith 100208492 is a professional grade 3 stage thermostat control engineered for high recovery commercial water heaters and hydronic boiler systems. This OEM relay control module acts as the primary logic interface for managing multi stage firing sequences, ensuring the heating system cycles efficiently based on real time demand. By utilizing a high precision 3 stage control (TSTAT) configuration, this component prevents short