Heater Assembly 6KW 120/240V Auto Reset Double C3160-1S 73790 PDR - Open Box Product is New in open box. Product comes in original packaging. Packaging shows signs of wear. All accessories included. Description: This listing is for Heater Assembly 6KW 120/240V Auto Reset Double C3160-1S 73790 PDR. Product type: Spa & Hot Tub Parts. The title provides the available size, color, quantity, capacity, compatibility, and model details where applicable. Review the condition notes for packaging, accessories, functionality, and cosmetic information specific to this item.