TELEDYNE LARRS heat exchanger for a 400btu heater Condition is New. The item “TELEDYNE LARRS heat exchanger for a 400btu heater” is in sale since Wednesday, November 7, 2018. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Pool Equipment & Parts\Pool Heaters & Solar Panels”. The seller is “raeleh” and is located in Magnolia, Texas. This item can be shipped to United States.