New Cal Spas Balboa Heater Flo Thru 5.5 KW HEA14100450. The item "New Cal Spa Heater Flo Thru 5.5KW HEA14100450" is in sale since Monday, February 22, 2016. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Spas & Hot Tubs". The seller is "archerplus" and is located in Lake Elmo, Minnesota. This item can be shipped to United States.