Field Controls 46561707 7-Inch Oil Furnace Vent Damper

The Field Controls 46561707 is a 7-inch vent damper designed specifically for oil-fired heating systems. This automatic vent damper installs in the flue pipe to prevent heat loss when the furnace or boiler is not operating, improving overall system efficiency and reducing fuel costs.

Key Features:

• 7-inch diameter fits standard oil furnace vent pipes
• Automatic operation opens when burner fires and closes when burner stops
• Reduces off-cycle heat loss up the chimney
• Helps prevent cold air infiltration down the flue
• Durable construction designed for oil furnace applications
• Factory-tested for reliable performance

This vent damper helps maximize heating efficiency by keeping conditioned air in the home when the heating system is idle. Proper installation by a qualified HVAC technician is required to ensure safe and efficient operation.