Laars Heating Systems 15C5400 Damper/Duct Assembly 328140-751 AAON Compatibility: Factory-calibrated to

AAON Compatibility: Factory-calibrated to

Key Benefits: Fixed Setpoint: Preset at 0

Built for HVAC oil burner service

frequent overheating alarms (such as fault code 0009)

low suction pressures

Laars Heating Systems 15C5400 Damper/Duct Assembly 328140-751 AAON Compatibility: Factory-calibrated toThe Laars Heating Systems 15C5400 Damper Duct Assembly is a factory authorized replacement component engineered for precision airflow management in high capacity boiler systems. Designed specifically as a blower duct damper assembly, this unit ensures the stoichiometric balance required for efficient combustion and prevents standby heat loss. It is a critical part for maintaining the operational integrity of Laars Pennant series boilers and water