Field Controls 4MG1 Gas Fired Furnace/Boiler Draft Control

Field Controls 4MG1 Gas Fired Furnace/Boiler Draft Control is a precise, durable solution for managing draft in gas-fired heating systems. This Type Draft Control, Double Acting model is used on gas fired furnaces and boilers to regulate draft pressure and ensure safe, efficient operation. Built to withstand the rigors of commercial and residential HVAC applications, the 4MG1 performs reliably under varying firebox conditions, helping maintain consistent combustion and minimize energy waste.

Designed for easy installation and compatibility with standard draft systems, it carries UL (Canada and US) and CSA approvals for peace of mind.

• Type: Draft Control, Double Acting
• Applications: Used On Gas Fired Furnace and Boiler
• Dimensions: Overall Dimension 4-9/16 Inch Outer Diameter; Control Size 4 Inch; Nominal Capacity 12.6 Square Inch; Circumference 9-1/2 to 12-1/2 Inch
• Material: 24 Gauge (Ring/Gate), 25 Gauge (Collar)
• Certifications: UL (Canada and US), CSA