System Specifications
| THM 200C | Drain & Refill | 3.5 Quart (US) (qt (US)) |
| Total Capacity | 9.5 Quart (US) (qt (US)) | |
| THM 200-4R | Drain & Refill | 3.5 Quart (US) (qt (US)) |
| Total Capacity | 11 Quart (US) (qt (US)) | |
| THM 700-4R | Drain & Refill | 5 Quart (US) (qt (US)) |
| Total Capacity | 11.5 Quart (US) (qt (US)) |