INTERSTOR - BTI 65
Indirect Water Heaters
Up to 5 x more DHW than conventional gas or electric water heaters
Features
Dimensions
Documentation
Features
- High performance domestic hot water
- Stainless Steel construction, pickled &
passivated for the highest possible resistance
to corrosion - Top DHW connections on commercial models
and side boiler connections on residential
models increase install efficiency while saving
time, money, and labor. - High-capacity smooth wall Stainless Steel coil
- Regular & MAX options available
- Maintenance-free design
- BTI models are lightweight for easy installation
2” of polystyrene foam insulation for an
extremely low standby heat loss - Removable inspection port for easy access to
coil and tank (BTI) - Standard Aquastat & 10KΩ temperature sensor
Dimensions
| Model | Tank Capacity | Dimensions | Piping Connections NPT | Relief Valve Connection | Approx. Shipping Weight | ||
| Height | Diameter | DHW In/Out | Boiler Water In/Out | ||||
| BTI 30 | 26.7 | 39.6 “ | 20.0″ | 3/4″ | 1″ | 3/4″ | 50.7 Ibs |
| BTI 40 | 39.9 | 47.0″ | 21.4″ | 3/4″ | 1″ | 3/4″ | 66.2 Ibs |
| BTI 55 | 56.5 | 62.8″ | 21.4″ | 3/4″ | 1″ | 3/4″ | 91.5 Ibs |
| BTI 85 | 64.5 | 70.3″ | 21.4″ | 3/4″ | 1″ | 3/4″ | 97.5 Ibs |
| Model | Max. First Hour Rating at 135ºF | Continuous Rating at 135ºF | Boiler Output Required | Boiler Waterflow (GPM) | Pressure Drop Through Coil (ft. Water) |
| BTI 30 | 159 gal/hr | 137 gal/hr | 88,000 BTU/hr | 8 | 3 |
| BTI 40 | 188 gal/hr | 156 gal/hr | 100,000 BTU/hr | 8 | 3 |
| BTI 55 | 200 gal/hr | 156 gal/hr | 100,000 BTU/hr | 8 | 3 |
| BTI 85 | 325 gal/hr | 269 gal/hr | 172,000 BTU/hr | 13 | 4 |
Documentation
List of Manuals
| ↓ Interstor Indirect Water Heater – Installation & Operating Instruction Manual |
List of Literature
| ↓ Interstor Indirect Water Heater – Sales Brochure |