Oem Changed To New Style.
;Burner Valve, [ 1/8" Mpt X 3/8"-27 ] Push To Turn,;[ Rotation Off/High/Low ] #57 [Stem Flat Up] ;[Stem Size .240" ] [Ctr Inlet To End Of Stem 1-13/16" ] ;Stem 1-1/8" Long, [ Angle - 90].240" ] [Ctr Inlet To End Of Stem 2-7/16" ] ;Stem 1-15/32" Long, [ Angle - 90];Southbend Range Series: 300.;See Following: Old Style Nat/Lp, # 52-1080 With Knob.