46198901 Fields 4" Double Acting Draft Control For Gas

• Draft Control
• Type Double Acting Control
• Used On Gas-Fired Furnaces and Boiler
• Applicable Standard UL (Canada and US), CSA
• Nominal Size 4"
• Nominal Capacity 12.6 Sq Inch
• Overall Dimension 4-9/16" Diameter
• Warranty 18 Month

A Double Acting Control for Gas-Fired Furnaces and Boilers is Widely Used for Conversion Burner Installations, Gas Draft-Induced Appliance Operation with Mechanical Draft Inducers, or Sidewall Power Venter's; It is also Recommended for use on Gas Atmospheric Appliances Where a Draft Hood Cannot be Installed, and can Improve Combustion Stability and Draft on Many Gas Atmospheric Installations with Venting Problems; The Mg-1 Provides Precise, Accurate Control of Drafts at Levels Higher than Permitted by a Standard Draft Diverter, Which is a Frequent Requirement with Gas; Because it is Double Acting, it Opens Out to Relieve Positive Vent System Pressures as Low as 0.01 Inch; Draft Adjustments Using Weights are Simple and Accurate from 0.01" to 0.1"; 18 Months Warranty