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this valve provides the exact flow characteristics required to maintain the appliance's thermal efficiency rating without the need for additional field modifications
Ensures proper combustion sequencing and safe exhaust gas expulsion
Integrated Heat Trap: Features a built-in heat trap nipple to reduce convective heat loss through the outlet piping
Key Benefits: Precision Flow Regulation: Maintains strict control over refrigerant flow rates to ensure consistent evaporator performance
Activation typically requires adjusting the function settings via the remote controller or PAR-41MAA-J wall controller
BROAN-NuTone SV18199 Damper 318172-701 this valve provides the exactThe BROAN NuTone SV18199 Damper is a critical OEM replacement part engineered for professional grade airflow regulation in high static and variable flow ventilation systems. Designed to meet the precise tolerances required by veteran contractors, this backdraft damper ensures maximum system efficiency by preventing unwanted air infiltration and isolating specific duct runs when fans are not in operation. Its heavy duty construction is built to