| Pipe Size | Total BTU's |
| 1/2" | 15,000 |
| 3/4" | 40,000 |
| 1' | 75,000 |
| 1 1/4" | 160,000 |
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Total Number of Convectors per Pipe Size
Convectors are 6 1/4" x 24" x 32"
5000 Btu's each
| Pipe Size |
|
|
|
|
| 3/4" | 8 |
| 1" | 16 |
| 1 1/4" | 28 |
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Maximum amount of Baseboard per Loop
Rated at 180 degrees @ 4gpm
Reting per ft
| Pipe Size | Rating @ 180º |
|
|
|
|
|
| 3/4" | 590 | 67 3/4' |
| 1" | 800 | 100' |
| 1 1/4" | 850 | 164 3/4' |
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Maximum Amount of Cast Iron Baseboard per loop
Rated at 620 Btu's ft @180 degrees and 4 gpm
| Pipe Size |
|
|
|
|
| 3/4" | 64' |
| 1" |
|
| 1 1/4" | 225' |
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Directions:
Measure all radiation and determine sq ft radiation. Have Comfort-Calc do your heat loss. Divide the heatloss by the sq ft or radiation. This gives you how many BTU's per sq ft of radiation is required to meet the heat loss.
Enter chart in the second row (BTU) and find a number close to your needs. Go up to the water temperature required.
Example:
80,000 btu Heat loss
480 Sq ft Radiation
80,000/480=166 btu's per sq ft of radiation
This falls between 150 and 170BTU's per sq ft. I would use 175º water temperature.
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Water Content of Copper Pipe Type "L"
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TEF of Copper Fittings
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TEF Black Fittings
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