Field Controls Part #Mgii-32 - Draft Control (1967201) Size_11 x 15 x 5/16 7-1/4"_ x 7-1/4"_ Plate -

7-1/4"_ x 7-1/4"_ Plate - 4 Bolt Holes

Sargent Hopper Door _HD8UL_ Spec Sheet

Weil McLain Part Number 315-700-140

Because it is double-acting

87" Diameter

Field Controls Part #Mgii-32 - Draft Control (1967201) Size_11 x 15 x 5/16 7-1/4"_ x 7-1/4"_ Plate -32" MG 1 Barometric Damper Triple Acting for Oil, Gas, Wood & Coal Fired Solid, Oil or Gas Commercial Industrial This is a series of compact, rugged, heavy duty controls for use on large residential, commercial, and industrial applications. The Field Type M+MG2 Draft Control provides precise draft regulations for solid fuels, oil, gas, or oil gas appliances requiring only the simplest, on the job adjustments depending on which fuel is to be utilized.