How much does this cost to the nearest dollar?

Eccotemp i12 Indoor 3.0 gpm Home Liquid Propane Tankless Water Heater with Horizontal Vent Kit, Black
Please use descaler regularly and clean regularly to not void the. Descaler sold separately. Features Includes a digital remote and display for ease of use Conveniently mounts on your wall Can run at 3 gallons per minute Includes a 2 Year Parts Designed for indoor use only CSA approved in both the USA and Canada Comes with a horizontal venting bundle Vent Bundle Includes One (1) 3 90° Elbow One (1) 3 x 1' Pipe One (1) 3 Wall Thimble One (1) 3 Universal Appliance Adapter One (1) 3 Back Flow Preventer Specifications Height 17 Gallons Per Minute

Price is $649.00
Price: $649