1/2" NPT, 1/2 PSI Max Inlet Pressure (CSA Certified), 1 PSI Max Inlet Pressure (Maxitrol Tested), Two Stage Gas Valve and Regulator with 0.2"wc-1.2"wc Low Fire and up to 6"wc High Fire

3/4" NPT, 1/2 PSI Max Inlet Pressure (CSA Certified), 1 PSI Max Inlet Pressure (Maxitrol Tested), Two Stage Gas Valve and Regulator for LP Gas Applications with 2.2"wc-4.5"wc Low Fire and up to 12"wc High Fire

3/4" NPT, 1/2 PSI Max Inlet Pressure (CSA Certified), 1 PSI Max Inlet Pressure (Maxitrol Tested), Two Stage Gas Valve and Regulator with 0.2"wc-1.2"wc Low Fire and up to 6"wc High Fire