1 Generally speaking: 1 cubic water With 2KW, cold climate place: 1 cubic with 3KW, please choose the model depending on this. S heated by circulation, so a circulation pump is needed. 3 This item don't include pump, please you prepare a pump. Pipe Diameter(inch):1.5. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Pool Equipment & Parts\Pool Heaters & Solar Panels".
The seller is "home-bussiness-machine" and is located in this country: CN. This item can be shipped worldwide.