 
Carefree
Burnham's Carefree boiler offers 100% efficient electric heat in an attractive wall-mounted unit. The Carefree boiler combines the convenience of electric heat with the comfort that only a hydronic system can provide, for those instances where oil or gas prove to be impractical.
Key Features - Electric
- Water only
- Cast iron sectional design
- 41 to 68 MBH capacity
| Boiler Model |
DOE Heating Capacity BTU/H |
DOE Annual Eff. % |
KW Rating (240V) |
Amps (240V) |
No. & Size of Elements |
| 240V |
220V |
208V |
| 412 |
41,000 |
35,000 |
31,000 |
100 |
12 |
50 |
4-3 KW |
| 416 |
55,000 |
46,000 |
41,000 |
100 |
16 |
70 |
2-3 KW, 2-5 KW |
| 420 |
68,000 |
58,000 |
52,000 |
100 |
20 |
85 |
405 KW |
| Boiler Model |
Recom'd Power Supply to Boiler |
Approx. Wt. (lbs) |
Water Contents (gal) |
Water Flow Rate - GPM based on 20°F Temp. Rise and Boiler Capacity at: |
| Min. Wire Size* |
Max. Fuse Size (amp) |
240V |
220V |
208V |
| 412 |
6 |
60 |
155 |
3.5 |
4.1 |
3.5 |
3.1 |
| 416 |
4 |
80 |
155 |
3.5 |
5.5 |
4.6 |
4.2 |
| 420 |
2 |
90 |
155 |
3.5 |
6.8 |
5.8 |
5.2 |
DOE Heating Capacities are shown. Add for piping heat losses.
*For runs in excess of 50 ft. Consult local or national electrical code.
Carefree Information and Documentation
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Please contact info@2hsc.com with comments, questions, or corrections.
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