I received a software update thumb drive from Backyard Plus. After installing the update, the tub was still not functioning properly so I called and talked to technical support. Oscar walked me through the whole process and the tub is working perfectly. Oscar knew EVERYTHING about my tub and how to get it running. It's so valuable having him for a resource because I'm forced to maintain my tub myself since I'm 4 hours from the nearest technician and they won't come help me. Watkins will not talk to me on the phone either because I'm not a professional tech. I can buy tub parts from a number of different places but I'll be getting them from Backyard Plus from now on.On 01/08/2026 by S. B. (verified customer)
Thermowell, Hot Spring
Sku: 70105This thermowell (dry well) houses the spa high limit capillary (probe) in the 1989-1994 Hot Spring Classic, 1991-1994 Sovereign (a.k.a. Indoor/Outdoor model) and the 1991-1994 Prodigy.
Hot Spring pre 89 F from 1989 to 1989 • F from 1990 to 1990 • F, I from 1991 to 1994.
Hot Spring H, IH from 1991 to 1994.
| Ref. | Diagram | |
|---|---|---|
| # 3 | Drywell/Thermowell 1989-1994 (Hot Spring 1990 - 1990) | Shop by Diagram |
| brand | model | years |
|---|---|---|
| Hot Spring | Classic (F) | 1991, 1992, 1993, 1994 |
| Hot Spring | Prodigy (H) | 1991, 1992, 1993, 1994 |
| Hot Spring | Sovereign (I) | 1991, 1992, 1993, 1994 |
| Hot Spring | Sovereign 230v. (IH) | 1991, 1992, 1993, 1994 |













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