Description
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 |