BROAN-NuTone SV18199 Damper 318172-701 this valve provides the exact

this valve provides the exact flow characteristics required to maintain the appliance's thermal efficiency rating without the need for additional field modifications

Integrated Heat Trap: Features a built-in heat trap nipple to reduce convective heat loss through the outlet piping

Direct Drop-In Compatibility: Specifically designed to replace legacy ZP154KCE industrial models (TWD-426

making it suitable for a wide variety of pressurized water systems

ensure the damper assembly moves freely throughout its entire range of motion

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