73791 No-Fault Heater Assembly, 4 kW
This contains a no fault titanium heater with a 4kW to plug into the motherboard. The heater also provides new thermistor O-rings.
You will have to add the 72768 jumper pressure switch if you are replacing the 76228 heater assembly. Compatible with a variety of the 1994 to current Hot Spring Highlife, Limelight, and Tiger River spa models.
| Make | Model | Date Range |
| Hot Spring | Grandee | 1995-2018 |
| Hot Spring | Vanguard | 2014-2018 |
| Hot Spring | Prodigy | 1994 |
| Hot Spring | Aria | 2007-2018 |
| Hot Spring | Highlife | 1994-1996 |
| Hot Spring | Classic | 1994 |
| Hot Spring | Sovereign IH 200v | 1995-1996 |
| Hot Spring | Classic FH 220v | 1994 |
| Limelight | Flash | 2018-Current |
| Limelight | Glow | 2008-2017 |
| Limelight | Gleam | 2013-2017 |
| Limelight | Flair | 2008-Current |
| Limelight | Pulse | 2008-Current |
| Tiger River | Siberian | 1995-2004 |
| Tiger River | Tondi PH 230v | 1995-1996 |
| Tiger River | Manora MH 230v | 1995-1996 |
