Reznor 132224 Replacement O Ring for Oil Heater Cylinder

LP Gas Conversion Kit, NAT to LP FT/SFT 30-75, For regular adjustment of 8"-12" WC, For use with VR42/4300, V/VR82/8300, SV95/9600, Standard and Slow open model only, not for use with Step Regulator Valve, This conversion kit should not be used to convert and Robertshaw 7000 series millivolt ("MV") natural gas valve with a with a date code of 0306 through and including 0436 || Replacement O Ring for Oil Heater Cylinder