Bryant BW9 - Page 4

Table 1—Sea Level Ratings (Natural and Propane Gases)
BOILER MODEL NUMBER
NATURAL AND PROPANE GAS
SHIPPING WEIGHT (LBS.) VENT CONNECTION DIAMETER
A.G.A.
Input
MBH
Heating
Capacity
MBH
Net
I=B=R
Rating
MBH
BW9AAN000050AAAA 50.0 45 39 220 2–in. CPVC
BW9AAN000075AAAA 75.0 68 59 220 2–in. CPVC
BW9AAN000100AAAA 100.0 90 78 220 2–in. CPVC
MBH-1000 Btuh (British Thermal Unit Per Hr)
Fig. 2—BW9 Boiler Detail
A99156
3”
(76.2mm)
19 3/4”
(502mm)
4”
(101.6mm)
ALTERNATE SUPPLY
& RETURN OPENINGS
(1-1/4" NPT (31.75mm)
CONNECTIONS
PROVIDED INSIDE
BOILER CABINET)
ACCESS PANEL
ALTERNATE OPENING
FOR GAS SUPPLY
BOILER WATER TEMPERATURE
& PRESSURE GAUGE
FRONT PANEL DOOR PULL
LEVELING FEET
CONDENSATE
DRAIN FITTING
(1/2" PVC) (12.7mm)
OPENING FOR RELIEF VALVE
DISCHARGE PIPE
OPENING FOR AIR
VENT AND EXPANSION
TANK CONNECTION
ALTERNATE BOILER WATER SUPPLY AND
RETURN (31.75mm) CONNECTIONS
(1-1/4" NPT BOILER CABINET)
PROVIDED INSIDE
DRAIN
VENT CONNECTION
(2" CPVC) (50.8mm)
5" (127mm)
JUNCTION BOX FOR 120 V POWER,
120 V CIRCULATOR BEADS, AND
24 V THERMOSTAT LEADS
VENT CONNECTION
(2" CPVC) (50.8mm)
ALTERNATE GAS
SUPPLY OPENING
ALTERNATE OPENING FOR
VENT TEE
GAS SUPPLY
OPENING
(1/2" NPT) (12.7mm)
COMBUSTION AIR
INTAKE FITTING
(2" PVC) (50.8mm)
STANDARD BOILER WATER
SUPPLY & RETURN OPENINGS
(1-1/4" NPT (31.75mm) CONNECTIONS
PROVIDED INSIDE BOILER CABINET)
28”
(711mm)
FRONT
16”
(406.4mm)
9 1/6””
(231.78mm)
31 1/2”
(800mm)
10”
(264mm)
BACK
LEFT SIDE
22 1/2”
(572mm)
39 1/2”
(1003mm)
18 1/2”
(470mm)
RIGHT SIDE
TOP
3”
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