Field Controls 4MG1 Double Acting Draft Regulator for Gas Appliances - 4-Inch

The Field Controls 4MG1 is a 4-inch double acting draft regulator designed specifically for gas-fired heating appliances. This draft control device automatically maintains optimal draft conditions in the vent connector by allowing air to enter or exit the flue system as needed, ensuring proper combustion efficiency and preventing backdrafting.

Key Features:

• Double acting design regulates both positive and negative draft pressure
• 4-inch diameter connection for standard residential and light commercial applications
• Maintains consistent draft for improved appliance efficiency and safety
• Helps prevent spillage of combustion gases into living spaces
• Durable construction designed for long-term reliability
• Easy installation into vent connector systems

This draft regulator is essential for gas furnaces, boilers, and water heaters where maintaining proper draft is critical for safe and efficient operation. The double acting mechanism responds automatically to changes in chimney draft conditions, making it ideal for installations where draft can vary due to weather conditions or other factors.