Tankless Water Heater Craftsman Brand New in Box 1/2 Price

I have a brand new Craftsman tankless water heater. The model number CMXTEPA0036. Retails for close to $900. Save over $400. Requires a 240-Volt service with three 40 Amp double-pole breakers and three 8/2 AWG wires. 35° F Temperature Rise – 4.6 GPM, 45° F Temperature Rise – 3.6 GPM, 55° F Temperature Rise – 3 GPM. Digital control panel allows you to easily set the desired temperature up/down in increments of 1 degree F from 90 – 122 degrees. Durable assembly with stainless steel, non-corrosive, lead free internal canisters and piping with standard 3/4 in. NPT (straight thread) fittings.