HITACHI EcoCute (Hitachi) High-Water-Drain Unit 2 - Model Number: BHP-TAD371-011 Although unused, this item has been stored in a warehouse for 2-3 years. It has been opened for photography and condition check, but since it is unused, the start-up operation has not been confirmed. Please understand this. We recommend that you request a professional or service person to install it. When purchasing, please make sure the model number and parts are correct at your own risk. We are unable to check frequently, so we are not offering price negotiations. Thank you for your understanding. Thank you for viewing. Management Number No. 5