Therm [Arctic Spas] 12.7" 5.5kW L-Shape Flo-Thru Incoloy Heater (48-9121-7S-K) duraplastic Matching the correct governor helps

Matching the correct governor helps preserve intended heater function and supports a cleaner service result

small differences in slip

Helps maintain reliable control system feedback

Waterway 6 inch new-style leaf trap

Therm [Arctic Spas] 12.7" 5.5kW L-Shape Flo-Thru Incoloy Heater (48-9121-7S-K) duraplastic Matching the correct governor helpsTherm [Arctic Spas] 12. 7" 5. 5kW L Shape Flo Thru Incoloy Heater (48 9121 7S K) provides a targeted heating solution for Arctic Spas, combining the specified output and construction needed to restore consistent water heating without relying on a generic substitute. Its 5. 5kW heating output, 12. 7" heater length and specialized L shaped curved configuration should be matched to the original equipment requirements before installation, since spa