150K BTU UNIVERSAL H-SERIES PROPANE, LOW NOX GAS HEATER. ELECTRONIC IGNITION W/ DUAL THERMOSTAT; LED CONTROL PANEL W/ 2" SKT X 2 1/2" SPG CPVC UNIONS W/ POLYMER HEADER. 21 1/2" W X 29 1/2" D X 24" H. REQUIRES 100V LINE FOR ELECTORNIC IGNITION AND LICENSED GAS FITTER TO CONNECT PROPANE LINE.