Obsolete: use 10475-BYP
What’s Included: Heaterbody, 115V -Stainless Steel with two 3/4″ ports and one 1/4″ port
Description: Stainless steel heater housings with 3/4 inch ports were used on all 1990-1994 115v. Hot Spring spa models. The housing (heater body) is tubular in shape and has three intake/discharge ports. The two larger ports (3/4″), located on the end of the housing, are used to circulate water through the housing via the small, low flow circulation pump. The smaller port (1/4″), also located at the end of the housing, is used to drain the spa heater when winterizing the spa.