Automatic Changeover Propane Regulator

For over 30 years Marshall Excelsior Company has been a progressive manufacturer of top quality and competitively priced LPG and NH3 equipment that is leading the industry in innovation and low emission products. Automatic Changeover Regulator Automatically Redirects LP Gas Vapor Flow From An Empty Service Cylinder To A Reserve Cylinder, Without Interruption Of Service Meet UL, RVIA And NFPA Requirements Made In The USA Features An Easy To Read Green Indicator Which Changes To Red When The Service Cylinder Needs To Be Refilled Limited 5 Year Warranty