Rheem Tankless Water Heater with Wi-Fi, 3/4 in NPT Inlet, LPG Gas, 199,900 Btu/hr BTU, Electronic Ignition, 9.5 gpm Flow Rate, PVC, CPVC, Polypropylene, Polypropylene Vent, Dimensions: 23.7 in H x 17.7 in W x 9.8 in D