Flo-Thru spa heater replacement B24055R is a generic 15″”, 5.5 kW, 240V, used on Len Gordon, Spa Builders, and Pinnacle Universal and PCU spa packs. Flow Thru spa heater by Spa Components, B24055-Q, labeled as Heater Current Collector Assembly, includes Incoloy coated heater element, unions not included. B24055Q replaces 5.5 kW heaters compatible with Sundance, Jacuzzi, and Sweetwater spas, replacing OEM heater. 15″” x 2″” stainless steel tube, includes 2″” unions and adjustable plate matches Pinnacle spa pack mounts. Refer to the measurements in the image for proper heater selection. Heater B24055Q replaces 20-00228, 611038, B24055Q, C2550-0056, C2550-0456, and fits AP-1, AP-1400, EP-1, LX-15 & LX-35 Control Systems. Compatible with Jacuzzi J230 after 2005, and J270, J280 spas after 2007 (without circulation pumps). There is no affiliation with the owner of the marks; the marks are used for identification purposes only and are not intended to indicate affiliation with or approval by the owner of the mark.