Product for the PoolSupplies lineup. 4′x20′ Swimming Pool Solar Heating Panel Kit For 21′ Round Above Ground Pools. (when you call please reference source code L14YDPG). With our 4′x20′ Universal Above Ground & In-Ground Solar Heating System , you’ll swim sooner and swim longer into the season- with FREE heating energy from the sun, and without complicated, high maintenance pool equipment. Universal Solar Heating Systems are designed to work with Above Ground and In-Ground Pools. Our solar panel is 4′ x 20′ panel size you will receive (4) 2′x20′ panels for maximum flexibility. What are the benefits of solar panels? Free Heat, No Electricity Used, No Wasteful Fuel Cost and most important, solar panels are a green product. This panel kit is designed for pools up to 21′ ft round or 12′x24′ ft oval pool. Each panel will heat your water 10 to 12 degrees (depending on the sunlight). Panels included measure (4) 2′ x 20′ panels. Produces 80,000 to 100,000 BTU per day. Kit includes 2 solar panel, end caps, by-pass diverter valve (to turn system on and off) and installation manual. Inlet and outlet fits 1-1/2 plumbing. Each panels is constructed of rough black polyolefin. Easy to drain for Winter. Note: need to order (1) 805412 and (1) 805415. Our experienced staff can assist in walking you through the checkout process. If you do not want an item left at your doorstep, the best thing to do is leave a note on your door with instructions for the driver. A copy of your invoice and Order # should be included, and your Return should be insured. A damage claim will be filed on your behalf and we will replace the item immediately once the claim is approved. Contact our customer service department and an immediate replacement order will be prepared for you. There are product categories which are not returnable, due to hygienic, sanitary, or other reasons, as required by the respective Manufacturers. In certain cases, we may require pictures, and or a sample of the defective item. The item “4′x20′ Swimming Pool Solar Heating Panel Kit For 21′ Round Above Ground Pools” is in sale since Wednesday, May 08, 2013. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Pool Equipment & Parts\Pool Heaters & Solar Panels”. The seller is “savemoreonpoolsupplies” and is located in Tonawanda, New York. This item can be shipped to United States.