Overview Reviews Similar Products Product Description Caldera Spas Highland Series Hi Limit Thermostat Sensor 2006 To Current. Aventine, Cumberland And Olympia. Location: SBR5B4 Product Videos Custom Field Product Reviews Find Similar Products by Category Recommended Quick view Caldera Spas Highland Series / C-Series Blue Light 2006 - 2009 73861 $53.47 Add to Cart Quick view Caldera Spas Euro Jet Body (2006 To Current) - 73848 $14.95 Add to Cart Quick view Hi-Limit Thermostat 6" to 36" $39.95 Choose Options