Eco Ultra 70 Gal Buffer tank 4.5 KW
Fully integrated buffer tank and boiler. Provides seamless integration with Arctic Heat Pump to provide a full system backup solution and buffer in one tank. 4 ports with digital hydronic controller. Optional larger copper heat exchanger for on demand domestic hot water or can be used as a supplement with solar thermal heating. Complete with 15 year tank warranty.
Standard Equipment
- UltraSmartTMController
- Boiler pressure relief valve
- Drain valve
- Heating water supply
- Heating water return
- Electrical panel
- Electric elements
- Temperature and pressure indicator
- Automatic air vent
Specifications
eco ULTRA Available in 2 sizes
| MODEL | VOLUME | WEIGHT | MAXIMUM OPERATING PRESSURE | CONNECTIONS | DIAMETER | HEIGHT |
|---|---|---|---|---|---|---|
| eco ULTRA50 | 48 US Gallons | 280 lbs. | 30 PSI | 1" male NPT | 22" | 56 7/16" |
| eco ULTRA70 | 71 US Gallons | 380 lbs. | 30 PSI | 1 1/4" male NPT | 24" | 66 5/16" |
| Power2 | Suggested electrical input4 | ||||||
|---|---|---|---|---|---|---|---|
| KW | BTU/h | Amps3 | ELEMENTS | Stages | Cu Wire | Al Wire | Breaker |
| 4.5 | 15354 | 19 | 1 x 4.5 kW | 1 | 10 | 10 | 30 |
| 7.5 | 25590 | 31 | 1 x 4.5 kW + 1 x 3 kW | 2 | 8 | 6 | 40 |
| 9 | 30708 | 38 | 2 x 4.5 kW | 2 | 8 | 6 | 50 |
| 12 | 40944 | 50 | 2 x 6 kW | 2 | 6 | 4 | 70 |
| 15 | 51180 | 63 | 2 x 3 kW + 2 x 4.5 kW | 4 | 6 | 4 | 80 |
| 18 | 61416 | 75 | 4 x 4.5 kW | 4 | 4 | 2 | 100 |
| 20 | 68240 | 83 | 4 x 5 kW | 4 | 3 | 2 | 110 |
| 24 | 81888 | 100 | 4 x 6 kW | 4 | 2 | 0 | 125 |
| 274 | 92124 | 113 | 6 x 4.5 kW | 6 | 1 | 00 | 150 |
| 294 | 98948 | 120 | 2 x 4.5 kW + 4 x 5 kW | 6 | 1 | 00 | 175 |
Electrical supply: 120/240V or 120/208V single-phase (L1 – N – L2) with three 90°C conductors, or two conductors L1 – L2 if the boiler does not require power to a 120 VAC pump or accessories.
Multiply by .75 for a 208 VAC power supply.
Multiply by .867 for a 208 VAC power supply.
The wire guages and breaker capacity must be in conformity with the standards of the National Electrical Code (NEC), Canadian Electrical Code (CEC) and local codes (if applicable).
*Not available with the eco ULTRA 50.