8116321 | 4" VENT DAMPER | BURNHAM NEW YORKER Options_Hot/Cold Set Its precise control and reliable

Its precise control and reliable operation make it a popular choice among engineers and maintenance professionals

25 thread pitch

and oil in various applications

making it ideal for harsh environments or applications involving chemicals or moisture

It offers a convenient and efficient locking mechanism

8116321 | 4" VENT DAMPER | BURNHAM NEW YORKER Options_Hot/Cold Set Its precise control and reliable**4" VENT DAMPER** **Features:** * 4" diameter * Manual operation * Galvanized steel construction * Fire rated damper blade * Suitable for use in heating, ventilation, and air conditioning systems * Meets UL 555S and UL 555C standards **Benefits:** * Control airflow in HVAC systems * Prevent the spread of fire and smoke * Durable and long lasting * Easy to install and maintain * Complies with safety regulations **Applications:** * Commercial and