The location of this control head is behind the front side of the control panel bezel. This control head plugs into the IQ 2020 control box.
73225 Control Head with a IQ 2020 control system is for the following models:
| Make | Model | Date Range |
| Hot Spring | Grandee | 1997-2008 |
| Hot Spring | Vista | 2004-2008 |
| Hot Spring | Envoy | 2004-2008 |
| Hot Spring | Vanguard | 2004-2008 |
| Hot Spring | Jetsetter | 1997-2008 |
| Hot Spring | Prodigy | 1997-2008 |
| Hot Spring | Sovereign | 1997-2008 |
| Hot Spring | Classic | 1997-2000 |
| Hot Spring | Accolade | 2005-2006 |
| Hot Spring | Landmark | 1997-2003 |
| Hot Spring | Aria | 2007-2008 |
| Hot Spring | Highlife ILE | 2003 |
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