Compare Quick view Sundance Heater Assembly, Sundance OEM, 2000 Plus, Use SD6600-168 for External Hi-Limit Sensor MSRP: Was: Now: $552.00 Heater Type - Low Flow Heater Style - Vertical Mount Wattage - 5.5kW, Voltage - 230V Heater Dimensions - 3/4" barb x 13" long Heater Feature - Includes High Limit Thermo Disc & Wiring Leads Used On Sundance Spas 2000+ Add to Cart Add to Cart