14
INDOOR HEATER INSTALLATION
Locate the heater as close as is practical to a chimney or gas vent.
The heater must always be vented to the
outside.
See the Venting section (beginning on page 17) for details. Minimum allowable clearance is shown on
the nameplate, and in the “Clearances” section on page 11. Adequate combustion and ventilation air must be
provided. See page 16 for details.
Notes:
1. The model number prefix indicates: (B=Bronze header), (R=Raypak) Model number suffix indicates: pilot
type (E = digital) and fuel type (P = propane, N = natural gas) fin tubing (X=Cupro-Nickel, C= Copper).
Example: Model number BR-409-EN-X indicates a unit with digital (IID) ignition using natural gas with
bronze headers and cupro-nickel tubes.
2. Ratings are for natural gas and elevations up to 2,000 feet above sea level. For elevations over 2,000 feet,
consult the factory.
3. Flue gases must be properly vented with CAT I vertical venting or CAT III horizontal venting. Non-metallic
venting not acceptable. Inlet air can be ducted with 4” metal or PVC pipe. See the venting section of this
manual for complete venting details.
ELECTRICAL REQUIREMENTS:
120V/1ph/60Hz 6A
240V/1ph/60Hz 3A
SPECIFICATIONS AND DIMENSIONS
Heater
Model
MBTU
Input
Dimensions (in.)
Shipping
Weight (lbs)
w/ Stackless
Top
Flue
Diameter
(B)
Air Inlet
(C)
Minimum
Flow
(gpm)
Maximum
Flow
(gpm)
BR-259
250.0
6”
4”
25
125
193
BR-409
399.0
6”
4”
40
125
205
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