Best Items For All Your Need. The item “Hayward H100IDP1 Above Ground Pool Spa Heater 100,000 btu Propane Save $200″ is in sale since Wednesday, September 21, 2016. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Pool Equipment & Parts\Pool Heaters & Solar Panels”. The seller is “the-retro-gamer” and is located in Winthrop, Massachusetts. This item can’t be shipped, the buyer must pick up the item.