The half inch port stainless steel heater housing is what you need for your 115v hot tub heater. The pipe-like heater housing has three ports.
For install, use 3/4 heater 10475 with the vinyl tubing 70315. Easy to install to meet your needs. Compatible with the 1990 to 2000 Hot Spring Highlife spa models.
*Check specs section for full list of compatible models and years.