Complete Passive solar hot water system brand new still in box. Purchased this a year ago but never installed now moving house instruction manual included CSA approved The system uses Vacuum tubes to preheat water before it enters the hot water tank or can use independently for off grid system. See link to manufactures web site below. http://www.globesolarenergy.com/ Our cost was $3800 but we are open to reasonable offers possible trade for vehicle ?.Can deliver. Please text or phone before 8.30pm