Designed to serve typical domestic installations ; Constructed of corrosion-resistant and wear-resistant materials, includes inlet screen ; Easy system checks can be made on these units, which have built-in gauge taps on both the upstream and downstream sides ; Equipped with overpressure protection with an internal relief valve and a travel stop on the closing cap ; Operating inlet pressure 10 psig ; Temperature capabilites: -20° to 150°C or -29° to 66°C ; Compliant with NFPA 58 requirements ; Green, straight through design ; 20 year recommended replacement life ; 1,400,000 BTU/HR ; 3/4'' FNPT Inlet ; 3/4'' FNPT Outlet ; 9.5''-13'' W.C. Outlet Pressure Rating^*MUST BE INSTALLED BY TRAINED PERSONNEL IN ACCORDANCE WITH NFPA 58 & 54 STATE AND LOCAL CODES