MEGR-175CS61622-BCF (Marshall Excelsior) Regulator-2Stg Achg 1/4If X 1/2Fpt 11Wc

Regulator-Two Stage Auto Change 1/4"If X 1/2"Fnpt 11"Wc Mec Excela-Flo Automatic Changeover Regulators Prevent Gas Outages By Switching Supply Cylinders To The Reserve Cylinder Automatically When The Primary Cylinder Is Near Empty. | Marshall Excelsior | MEGR-175CS61622-BCF