This replacement is for all IQ 2020 controllers in all Hot Spring, Limelight, and Tiger River Spas. This product is new as of September 2013, and has improved voltage transfer for spas controllers.
Includes the updated IQ2020 Heater Relay board with jumpers and screws to secure to font cover of the IQ2020.
See diagnostics here.
NEW PART NUMBER IS 77119 New style board replaces all older versions
77119 Heater Relay Board is for the following models:
| Make | Model | Date Range |
| Hot Spring | Grandee | 2001-2008 |
| Hot Spring | Vista | 2004-2008 |
| Hot Spring | Envoy | 2004-2008 |
| Hot Spring | Vanguard | 2001-2008 |
| Hot Spring | Jetsetter | 2001-2008 |
| Hot Spring | Prodigy | 2001-2008 |
| Hot Spring | Sovereign | 2001-2008 |
| Hot Spring | Aria | 2007-2007 |
| Hot Spring | Highlife ILE | 2003 |
| Tiger River | Bengal | 2001-2008 |
| Tiger River | Caspian | 2003-2008 |
| Tiger River | Sumatran | 2001-2008 |
| Caldera | Tahitian | 2002-2008 |
| Caldera | Niagara | 2002-2008 |
| Caldera | Geneva | 2002-2008 |
| Caldera | Hawaiian | 2002-2008 |
| Caldera | Kauai | 2002-2008 |
| Caldera | Moorea | 2006-2008 |
| Caldera | Martinique | 2003-2008 |
| Caldera | Aspire | 2004-2008 |
| Caldera | Elation | 2003-2008 |
| Limelight | Pulse | 2008 |
| Limelight | Flair | 2008 |
| Limelight | Glow | 2008 |
Diagnostics
Hot Spring Hot Tub Not Heating But Main Board Has Power
If your Hot Spring Spa has power going to the main board and eveyrhting is operating correctly bar the heater, it is likely that the heater relay board has gone and need replacing.
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