Fittings are already installed for 1 inch pvc. Ok plug is missing on front.The item “Electric Spa-Pak ELS 552-2 heater” is in sale since Sunday, February 15, 2015. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Pool Parts & Maintenance\Pool Heaters & Solar Panels”. The seller is “papascoolstuff” and is located in Lakeland, Florida. This item can be shipped to United States.