heavy carbon buildup or silica coating from airborne contaminants often necessitates a full replacement

Thermal Stability: Features high heat resistance properties to prevent degradation in high-limit steam environments

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Thermal Stability: Constructed from high-grade materials to withstand the temperature fluctuations common in intensive hydronic heating applications

Reznor 43446 Seal Plate heavy carbon buildup or silicaThe Reznor 43446 Seal Plate is a critical OEM replacement component engineered specifically for Reznor HVAC units, including the SC Series and common commercial unit heaters. As a veteran technician knows, maintaining the integrity of the combustion chamber or blower housing depends on a precise fit. This genuine Reznor 43446 plate provides the necessary structural backing and sealing surface to prevent bypass airflow and maintain static pressure