Cal Spa heater HEA14100310 is a 5.5KW, 220V heater with Box Cal-Spa XL. This spa heater is ideal for use in hot tub spas. This is the in-line replacement heater. Free shipping within the continental USA too. The Cal Spas XL Series spa heater assembly is an efficient flo-thru heater. This heater is shipped with a high quality incoloy heater element, stainless steel heater housing with split nuts and 2 tail pieces, sensor cover plate, lead wires and aluminum box. Replacement options for: F2550-0011, F2550-0001, F2550-0011-100F2550-0001-ET, B24055XL 15″x2″ spa heater (has 2 inch unions) need a pressure switch? See ELE09500204 View AllClose
