Used on the following:
- Sundance Series 400, 600, 600s, 700, 750, 800 & 850
- Suncoast Spas Year 1992
- Suntub SV / DV
Replacement For: 6600-123, 6600-062, 6600-128
The most common error code for a Sundance Hi Limit tripping is the Sn1 error code: Hi-limit sensor failure. If this occurs confirm that your temp sensor is working properly and that the spa water temp is not reaching 115 degrees causing the correct error code.