Hot Spring Heater #73790
No-Fault PDR titanium heater comes with thermistor o-rings. This model has a double-pass design, which helps with the heating of the water. A replacement for all Hot Spring Spas, 1995-current, that are 1.5 / 6kW. 73790 Heater is a replacement for the following models: Make Model Date Range Hot Spring Grandee 1995-2002 Hot Spring Vanguard 2001-2002 Hot Spring Jetsetter 1995-2002 Hot Spring Prodigy 1995-2002 Hot Spring Sovereign 1995-2002 Hot Spring Highlife 1995-1996 Hot Spring Classic 1995-2000 Hot Spring Landmark 1997-2002 Tiger River Bengal 1997-2002 Tiger River Siberian 1997-2002 Tiger River Sumatran 1997-2002 Tiger River Tondi 1995-1996 Tiger River Khyber 1995-1996 Tiger River Manora 1995-1996 Tiger River Tondi PH220 1996 Tiger River Manora MH220 1996