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BRADFORD WHITE CORP.
SIZE
DISTANCE FROM GAS METER
AND
OR LAST STAGE REGULATOR
GAS TYPE 0-100' 100-200' 200-300'
500 natural 1½" 2" 2"
500 propane 1" 1½" 1½"
750 natural 2" 2" 2½"
750 propane 1½" 1½" 2"
1000 natural 2" 2½" 3"
1000 propane 1½" 2" 2½"
1250 natural 2½" 2½" 3"
1250 propane 2" 2" 2½"
1500 natural 2½" 3" 3"
1500 propane 2" 2½" 2½"
1750 natural 2½" 3" 3"
1750 propane 2" 2½" 2½"
2000 natural 3" 3" 3½"
2000 propane 2½" 2½" 3"
Metric Equivalent
SIZE
DISTANCE FROM GAS METER
AND
OR LAST STAGE REGULATOR
GAS TYPE 0-31m 31-61m 61-91m
500 natural 3.8cm 5.1cm 5.1cm
500 propane 2.5cm 3.8cm 3.8cm
750 natural 5.1cm 5.1cm 6.4cm
750 propane 3.8cm 3.8cm 5.1cm
1000 natural 5.1cm 6.4cm 7.6cm
1000 propane 3.8cm 5.1cm 6.4cm
1250 natural 6.4cm 6.4cm 7.6cm
1250 propane 5.1cm 5.1cm 6.4cm
1500 natural 6.4cm 7.6cm 7.6cm
1500 propane 5.1cm 6.4cm 6.4cm
1750 natural 6.4cm 7.6cm 7.6cm
1750 propane 5.1cm 6.4cm 6.4cm
2000 natural 7.6cm 7.6cm 8.9cm
2000 propane 6.4cm 6.4cm 7.6cm
NOTES: 1. These figures are based on 1/2" (0.12kPa) water column
pressure drop.
2. Check supply pressure and local code requirements
before proceeding with work.
3. Pipe fittings must be considered when determining gas
pipe sizing.
Table 7. Gas Piping Sizes.
5. Test for spillage at the draft hood relief opening
after 5 minutes of main burner operation. Use the
flame of a match or candle, or smoke from a
cigarette, cigar or pipe.
6. After it has been determined that each appliance
remaining connected to the common venting system
properly vents when tested as outlined above,
return doors, windows, exhaust fans, fireplace
dampers and any other gas burning appliance to
their previous conditions of use.
7. Any improper operation of the common venting
system should be corrected so that the installation
conforms to the National Fuel Gas Code, ANSI
Z223.1/NFPA 54 and/or CSA B149.1, Installation
Codes. When resizing any portion of the common
venting system, the common venting system should
be resized to approach the minimum size as
determined using the appropriate tables in Part II of
the National Fuel Gas Code, ANSI Z223.1/NFPA
54 and/or CSA B149.1, Installation Codes.
2.5 Vent Terminals for Outdoor Units
For outdoor applications, the vent and combustion
air openings must be covered with proper terminals to
prevent rain, snow and other objects from falling into the
Brute Deluxe.
If local codes allow, outdoor installations may use
1' of appropriately sized galvanized single wall or B-
Vent and a rain cap for exhaust vent termination in the
default configuration (venting out of the top). Note that
some local codes may require a higher vertical vent
height, extending above any perimeter fencing, etc. In
installations where the appearance of the vent is
objectionable, the low profile vent terminals in Table 6
may be used.
Combustion air inlets consist of appropriately sized
galvanized pipe and elbows to allow the open end to
face down aside the boiler. This is available as a
Commercial Kit from the manufacturer.
Part numbers for the low profile terminals to cover the
vent and combustion air openings are shown in Table 6.
SECTION 3.
Gas Supply and Piping
3.1 Gas Supply and Piping
Gas piping should be supported by suitable
hangers or floor stands, not by the appliance.
Brute Deluxe’s gas train allows the user to pipe the
gas from either the right side or the left side of the unit.
As shipped, the right side of the gas train is capped off,
and there is a manual valve on the left side. If desired,
the manual valve on the left side of the gas train may be
moved to the right side, and the cap on the right side
may be moved to the left.
Review the following instructions before
proceeding with the installation.
1. Verify that the appliance is fitted for the proper
type of gas by checking the rating plate. Brute
OUTDOOR VENT
OUTDOOR
SIZE
TERMINAL
COMBUSTION
AIR TERMINAL
500 20254703 D2007900
750 20254705 D2007900
1000 20254705 D2008000
1250 D2007700 D2008000
1500 D2007700 D2008000
1750 D2007800 D2008000
2000 D2007800 D2008200
Table 6. Vent Terminals for Outdoor Units.