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A Grade 9 filter acts as a mechanical separator and filter
000 BTU/hr to service large boilers
preventing the turbulence and increased decibel levels common with aftermarket substitutes
This kit facilitates the standard conversion
Laars Heating Systems 15C5400 Damper/Duct Assembly 319852-301 A Grade 9 filter actsThe 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
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