Resideo 391936 Conversion Kit

Resideo?á391936 Conversion Kit, Single Stage LP Gas to Natural Gas, 3"-5" Adjustment Range, Includes Regulator Spring, O-Ring, Screw and Cap, Used with V400, V800, VS820, VS821 Series, Standard and Slow Opening Valves, Not for Use with Step Opening Valves

391936 is identical to 391936/U