Technical Data
|
Digital
and Millivolt Technical Data |
|
|
|
Heater
Model |
BTUH
Input (000) |
A
|
B
|
C
|
J
|
Gas
Conn |
Water
Conn |
Ship
Weight (lbs)
|
||
|
ASME
|
Polymer
|
Indoor
Top |
||||||||
|
R-206
|
199.5
|
20
|
6
|
61-5/8
|
11-7/8
|
3/4
|
2
|
206
|
187
|
12
|
|
R-266
|
266.0
|
23
|
7
|
62
|
11
|
3/4
|
2
|
229
|
210
|
15
|
|
R-336
|
332.5
|
26
|
8
|
63
|
10-5/8
|
3/4
|
2
|
249
|
230
|
17
|
|
R-406
|
399.0
|
29
|
9
|
64-1/2
|
12-5/16
|
3/4
|
2
|
268
|
249
|
20
|
| Designation
for a Digital heater using propane gas is “EP”; a Digital heater using natural gas is “EN”. Designation for a Millivolt heater using propane gas is “MP”; a Millivolt heater using natural gas is “MN”. Prefix “P” is for plastic (polymer) headers; “C” is for cast iron (ASME) headers. Suffix “X” is for cupro-nickel tubing; “C” is for copper tubing Example: P-R406A-EN-X = Plastic headers, 406 model size, digital, natural gas, cupro-nickel Reduce input 4% for each 1000 feet above sea level when installed above 2000 feet elevation. Manufactured under Patent No. 3,623,458. Plastic (polymer) headers cannot be used for installations requiring ASME certification. |
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| How
to Pick the Right Size Heater Proper heater size is based on the time required to heat the pool or spa. If water is heated for each intended use, energy-saving rapid heating may be appropriate. If water is gradually heated to the desired temperature and then maintained at that temperature, a smaller heater may be acceptable. To determine proper heater size, use the following formula. |
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