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When executing a blower motor bearing replacement
Is the Carrier LH31RB015 compatible with older 80% AFUE furnaces
Technician-Friendly Design: Includes a manual override crank for easy setup and testing
This ECM motor operates with significantly higher electrical efficiency and utilizes an internal programmed controller to maintain constant torque
Use the RA89A1074 to maintain high electrical efficiency with its 5
Laars Heating Systems 2400-138 Ignitor/Flame Sensor Assembly 321894-709 When executing a blower motorThe Laars Heating Systems 2400 138 Ignitor Flame Sensor Assembly is a critical OEM replacement component designed for high efficiency combustion control. Using a silicon carbide glow bar, this assembly provides reliable direct spark ignition and consistent flame rectification for Laars Summit SMB & SMW models, specifically sized at 200 and 250 MBH. As a veteran grade HVAC replacement part, it integrates the igniter and sensor into a single robust