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DIMENSIONS
MODEL BW9
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)
A99156
RATINGS AND CAPACITIES
*
*
Gas input ratings are for elevations up to 2000 ft. In the USA, for elevations above 2000 ft., reduce input per the charts supplied in the high altitude derate kits.
In Canada, boilers may be used at high altitude by using a certified field conversion kit.
UNIT
GAS
TYPE
MAX INPUT
(BTUH)
HEATING
CAPACITY (BTUH) AFUE %
NET RATING
Btuh†
BOILER
WATER
CAPACITY
(GALLONS)
APPROX
SHIP.
WT (Lb)
BW9AAN050 Natural 50,000 45,000 90 39,000 2.6 220
BW9AAN075 Natural 75,000 68,000 90 59,000 2.6 220
BW9AAN100 Natural 100,000 90,000 90 78,000 2.6 220
CLEARANCES
*
Service clearance requirement 24-in.
UNIT COMBUSTIBLE (in.) ACCESSIBILITY/CLEANING (in.) SERVICING (in.)
TOP 1 8 8
LEFT SIDE 1 24 24
RIGHT SIDE 8 ——
BASE 1 ——
FRONT 0 24 24
BACK 1 ——
INTAKE/VENT PIPING 0 ——
NEAR BOILER HOT WATER PIPING 1 ——