Robertshaw 1751-013 Natural Gas To Liquid Propane Gas Conversion Kit For Robertshaw 7000, 7010, 7100, 7200 And 7222 Series Gas Valves 

Specifications: 
Series Application Add-On Pressure Regulator Kit 
Adjustable WC Pressure Low/High 8" / 12" 
Regulator Type 11.0" WC LP Gas 
Comments Except hydraulic models which cannot be field converted. 

Features and Benefits 
• Converts natural gas to LP 
• Not for use with hydraulic models which cannot be field converted. 
• Includes all necessary parts for easy regulation conversion.