Part #73418. Original Mr. Heater replacement temperature / fuel control knob for MH9B Mr. Heater Portable Buddy Propane Heaters (mfg through year 2008).
This knob has a 12.7mm OD shaft size. Please measure outside diameter of knob shaft for proper fit.
For use on Mr. Heater, Heat Star, and Enerco MH9B (mfg through year 2008) Portable Buddy Propane Heaters.
(*Use Part #32017 knob for heaters manufactured 2009 through Present, where the knob has a 23.5mm shaft base*.)