SPECIFICATIONS AND DIMENSIONS
*Designation for Propane is "EP", Natural gas is "EN". Prefix "C" is for Cast Iron (ASME) Headers; "P" is for Plastic (Capron) Headers. Reduce input 4% for each 1000 ft. above sea level when installed above 2000 ft. elevation. For Canada, no de- rate is required for elevations up to 4500 feet. Manufactured under Patent No. 3,623,458.
Note: Plastic (Capron) Headers cannot be used for ASME installations.
Fig # 9037.1
*Electrical Connection On Left Side is
COMBUSTION AIR (Indoor Units Only)
Air For Combustion And Ventilation
(Indoor Units Only)
The heater must have both combustion and ventila- tion air. Minimum requirements for net free air supply openings, one 12 inches from ceiling for ventilation and one 12 inches from the floor for combustion air as outlined in the latest edition of the National Fuel Gas Code, ANSI
CAUTION: Combustion air must not be contaminated by corrosive chemical fumes which can damage the heater and void the warranty.
a.All Air From Inside The Building:
Each opening shall have a minimum net free square
inches as noted:
Model | Square Inches | Model | Square Inches |
185 | 181 | 335 | 333 |
265 | 264 | 405 | 399 |
b.All Air From Outdoors:
When air is supplied directly from outside of building,
each opening shall have a minimum net free square
inches as noted: |
|
|
| |
| Model |
| Square Inches | |
| 185 |
| 46 |
|
265 |
| 66 |
| |
335 |
| 84 |
| |
405 |
| 100 |
| |
| ||||
14
