Therm [Arctic Spas] 15" 4.0kW Flo-Thru Titanium Heater (48-9125-5T-K) presairtrol and part number is important

and part number is important before installation

This pump parts item is intended for compatible pool

2 inch size supports intended fit

controller compatibility

Therm [Arctic Spas] 15" 4.0kW Flo-Thru Titanium Heater (48-9125-5T-K) presairtrol and part number is importantBuilt for service situations that demand the correct heater geometry and output, Therm [Arctic Spas] 15" 4. 0kW Flo Thru Titanium Heater (48 9125 5T K) is engineered for Arctic Spas and helps return the spa to stable, predictable heating performance. Its 4. 0kW heating output and 15" heater length should be matched to the original equipment requirements before installation, since spa heaters are not universally interchangeable. For technicians and spa