A. O. Smith BL-100 User Manual
Commercial Gas Water Heaters
CONSERVATIONIST
®
ULTRA-LOW NOX
FEATURES
The BL-100 is an Ultra-Low Nox atmospheric vent commercial gas water heater which meets the
thermal efficiency and standby loss requirements of the U. S. Department of Energy and Current
Edition ASHRAE/IESNA 90.1.
FULLY AUTOMATIC CONTROLS WITH SAFETY SHUTOFF — Accurate, dependable
control system requires no electric connections. Fixed automatic gas shutoff device for added
safety. Not recommended for 180°F sanitizing.
HEAVY GAUGE STEEL JACKET — Finished with baked enamel over
bonderized undercoat.
GLASSLINED TANK — Maximizes tank life.
FOAM INSULATION — Saves fuel, helps reduce standby heat loss.
ULTRA-LOW NOx Emissions — Complies with SCAQMD Rule 1146.2 and other Air Quality
Management Districts with similar requirements of 14 ng/j or 20 ppm.
EASY-TO-INSTALL — Completely factory-assembled. Only gas, water and vent
connections need to be made. All connections are located in front and top of heaters
for ease-of-installation and service.
BL-100
DRAFT DIVERTER — Low profile diverter furnished as standard equipment.
MAXIMUM WORKING PRESSURE — 150 psi.
MAXIMUM GAS INLET PRESSURE — 14” W.C.
HANDHOLE CLEANOUT — Allows easy tank cleaning.
THREE YEAR LIMITED TANK / ONE YEAR LIMITED PARTS WARRANTY —
For complete warranty information, consult written warranty or contact A. O. Smith.
FEATURES
Q
Anodic protection
Q
Equipped with gas pressure regulator
Q
Integral automatic gas shutoff system prevents excessive water temperature
Q
CSA Certified and ASME Rated T&P Relief Valve
RECOVERY RATINGS
Models
BL-100
Natural
March 2013R
Approximate
Capacity
Gallons Litres Btu/Hr. kW/Hr.
98 371 75,100 22
Input Rate
Type
of
Gas
GPH
LPH
30°F/
17°C
246
927
Recovery in US Gallons/hr or Liters/hr at Indicated Temperature Rise
40°F/
50°F/
28°C
148
557
60°F/
33°C
22°C
184
695
in Fahrenheit or Celsius
70°F/
39°C
123
105
462
397
80°F/
45°C
92
347
90°F/
50°C
82
309
100°F/
56°C
74
278
110°F/
61°C
67
252
120°F/
130°F/
67°C
72°C
62
57
233
214
AOSCG10601
140°F/
78°C
53
198
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DRAIN
VALVE
K
HOT WATER
OUTLET
J
A
Commercial Gas Water Heaters
F
K
COLD WATER
INLET
TEMPERATURE
AND PRESSURE
RELIEF VALVE
D
G
B
DRAIN VALVE
TOP VIEW
HOT
H
COLD
C
L
GAS INLET
E
M
FRONT VIEW
Dimensions in Inches/Centimeters
Approximate
Model Units A B C D E F G H J K L M
BL-100
Natural
Water heater(s) shall be Model ________________ as manufactured by A. O. Smith or an approved equal. Water heater(s) shall be of glasslined design, equipped to burn
__________ gas and design certified by UL and shall be approved by the National Sanitation Foundation (with optional leg kit). Heaters must meet all applicable energy codes
and comply with ultra-low NOx emissions of 14 ng/j or 20 ppm. Heaters shall have an input rating of _______ BTU/H and a recovery capacity of ________ GPH at a temperature
rise of 100°F with a storage capacity of _______ gallons. Heater shall be equipped with a 2-3/4” x 3-3/4” boiler-type handhole cleanout and shall have a working pressure
of 150 psi. Heater(s) shall be provided with an automatic gas shutoff device and safety shutoff in event pilot flame is extinguished; a gas pressure regulator set for the
type of gas supplied; an approved draft diverter, and extruded anode rod rigidly supported for cathodic protection. A CSA Certified and ASME Rated T&P Relief Valve shall
be furnished and installed by the manufacturer. The tank shall be foam insulated. The outer jacket shall have a baked enamel finish over a bonderized undercoating. Fully
illustrated instruction manual and parts list to be included. All internal surfaces of the heater(s) exposed to water shall be glasslined with an alkaline borosilicate composition
that has been fused-to-steel by firing at a temperature range of 1400° to 1600°F. Heater shall have a three year limited tank and one year limited parts warranty against
corrosion and tank failure due to sediment build-up as outlined in the written warranty. Heater(s) shall be design certified by UL for operation of the heater in a closed
system where thermal expansion has not been compensated for with a properly sized expansion tank will void the warranty.
INCHES
70-1/2 66-1/2 30-15/16 27-3/4 15-3/16 4 15-3/4 16 1-1/4 1-1/4 1/2 11-15/16
CM
179.07 168.9 78.59 70.5 38.6 10.2 40.0 40.6 3.2 NPT NPT 30.3
SUGGESTED SPECIFICATION
Shipping
Weight
Lbs/kg
350 / 158.8
For Technical Information and Automated Fax Service, call 800-527-1953. A. O. Smith Corporation reserves the right to make product changes or improvements without prior notice.
www.hotwater.com
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AOSCG10601
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