Sundance Spas 6500-310 Smart Heater Assembly, 240V/5.5 kW.  Titanium heater element. Sundance® Spas Heater Assembly for all 850 880 Series Spas. 2000-2015 240 Volt 5500 Watts.   Replacement heater is OEM but does not have “Sundance Spas” printed on side. Sundance only printed their logo on the heater for a few years. Use in the … Sundance® Spas / Jacuzzi® Smart Heater Assembly Replacement 6500-310 Read More »