Armstrong Furnace R01207B001 Draft Control 30067439-890 Loosen the set screw on

Loosen the set screw on the adjustable flange to thread the sheave inward or outward

With a max RPM of 6000 and a torque capacity of 585 in-lbs (when used with EPDM or Neoprene sleeves)

This professional-grade adapter eliminates the need for complex open-circuit bench testing

As a safety-critical auxiliary limit switch

This specific part is designed for CCW (Counter-Clockwise) rotation when viewed from the back/motor side

Armstrong Furnace R01207B001 Draft Control 30067439-890 Loosen the set screw onThe Armstrong Furnace R01207B001 Draft Control is a critical OEM replacement part designed to regulate the venting efficiency of residential heating systems. This barometric draft regulator maintains consistent overfire draft by stabilizing the vacuum pressure within the flue, preventing excessive heat loss and ensuring proper combustion air ratios. Built for durability in high cycle environments, the R01207B001 utilizes a precision balanced gate to