In titles & description. Jandy JXi PROPANE Swimming Pool Spa Hot Tub Heater 400K BTU JXI400P. Jandy JXi 400K BTU Propane Heater. The latest from Jandy, this low NOx heater is ultra-compact at just 2′ X 2′ and offers the best retrofit option for Max-E-Therm and MasterTemp users with absolutely no re-plumbing! Copper Fin Heat Exchanger. Single Stainless Steel Burner. Blower Driven Gas-Air Mix. Hot Surface Ignitor for reliable start-up. Smallest Foot Print 2′ X 2′ fits even the smallest space! Best Retrofit option quick & easy MasterTemp & Max-E-Therm replacement, requiring no re-plumbing. Sidewall Ventilation Provides versatility and ease of installation. Easy to control Digital interface provides quick & easy temperature control. 180 degree rotating top for left or right set up. Electrical Panel flips up for easy service. The item “Jandy JXi PROPANE Swimming Pool Spa Hot Tub Heater 400K BTU JXI400P” is in sale since Thursday, December 10, 2015. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Pool Equipment & Parts\Pool Heaters & Solar Panels”. The seller is “intheswimpoolsupplies” and is located in United States. This item can be shipped to United States.