Laars Heating Systems 15C5400 Damper/Duct Assembly 318518-761 The Allanson 421-095 is designed

The Allanson 421-095 is designed as a direct technical match for specific York Shipley models

preventing hazardous unburned gas buildup and short-cycling

streamlining the field interface between terminal equipment and local controls

Using this genuine OEM component ensures your system operates within its engineered safety and performance parameters

these heaters are wired to remain energized whenever the compressor is not running

Laars Heating Systems 15C5400 Damper/Duct Assembly 318518-761 The Allanson 421-095 is designedThe 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