Armstrong Furnace R01207B001 Draft Control 30067439-890 As a safety-critical auxiliary limit

As a safety-critical auxiliary limit switch

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

Low Power Draw: The 24V coil is optimized for standard Class 2 transformers

maintaining the combustion efficiency required by modern HVAC standards

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

Armstrong Furnace R01207B001 Draft Control 30067439-890 As a safety-critical auxiliary limitThe 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