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Enhanced Combustion Efficiency: Prevents standby heat loss and optimizes the air-to-fuel ratio by maintaining strict control over the damper position during the pre-purge and post-purge cycles
While the A99BB-600 comes with a factory 19
The unit operates on 208-230V
which allows it to be wired to break or make a circuit on temperature rise
Reznor 14474 Blower Bearing 318172-701 Enhanced Combustion Efficiency: Prevents standbyThe Reznor 14474 Blower Bearing is a critical industrial grade component designed to support the blower shaft in heavy duty commercial unit heaters and rooftop HVAC systems. Featuring a precise 1 3 16 inch bore diameter, this bearing ensures stabilized rotational momentum, which is essential for maintaining consistent airflow and preventing catastrophic shaft failure. As an OEM Reznor replacement part, it is engineered to handle the high torque
