This unit is optimized for NG heating systems

Wide Application Range: Compatible with both R404A and R507A refrigerants

and high temperatures for a longer service life in heavy-duty cycles

ensure the condensate trap is properly insulated or protected by heat tape as per local codes and manufacturer specifications

Versatile Signaling: rated for both inductive (6A) and resistive (10A) pilot duty

BROAN-NuTone MD10TU Damper 328140-751 This unit is optimized forThe BROAN NuTone MD10TU is a heavy duty 10 inch universal automatic make up air damper engineered to resolve negative air pressure issues in modern, tight envelope residential construction. Designed for seamless integration with range hoods over 300 CFM, this HVAC pressure relief valve synchronizes with the exhaust system to provide fresh air intake, preventing backdrafting of combustion appliances. The unit features a normally closed motorized damper