Since 1949, homeowners have depended on us
for quality, value and service
AVAILABLE FROM
3633 I Street, P. O. Box 14818
Philadelphia, PA 19134
Phone: (215) 535-8900 Fax: (215) 535-9736
Visit us on the web: www.crownboiler.com
BSI-12/08-(10M)-R3
PN980531
* BSI345 and BSI379 not available for elevations above 2000 ft.
* BSI345 and BSI379 not available for use with LP gas
** Combustion efficiency
*** Volume to normal water line
1. Altitudes above 2,000 ft.– ratings should be reduced at a rate of 4% for each 1,000 feet
above sea level (U.S.A. only), in Canada, boilers are certified for altitudes up to 2,000 feet only.
2. Please specify fuel (natural gas or LPG) and ignition system type (standing pilot or electronic
ignition) when ordering.
3. Specifications and dimensions are subject to change without notice.
SPECIFICATIONS
Satisfied customers are our goal. So CROWN
boilers are factory assembled, pretested, and wired
for reliable and quick installation. Servicing is easy, with
features like convenient access doors and a jacket top
knock-out that permits removal around supply piping.
A wide range of products and capacities serves most
residential and commercial heating needs. Pricing is
competitive, backed by attractive warranties and
optional extended coverage.
Natural or LP Gas*
Basic
Heating
IBR Net Rating, AFUE (%)
Dimensions (in.)
Water
Boiler No. of
Input Capacity
Steam
Standing Int.
Vol.***
Model Sections
(MBH) (MBH)
(Sq. Ft.) (MBH)
Pilot Pilot
“A” “B” “C” “D”
(Gal.)
BSI069 3 69 57 179 43 80.0 81.9 12-3/4 28 40-7/16 4 5.1
BSI103 4 103 85 267 64 80.0 82.0 16 28 40-7/16 5 6.5
BSI138 5 138 113 354 85 80.3 82.0 19-1/4 28 40-7/16 6 7.9
BSI172 6 172 142 446 107 80.6 82.1 22-1/2 28 40-7/16 6 9.3
BSI207 7 207 171 533 128 80.9 82.1 25-3/4 30 40-7/16 7 10.7
BSI241 8 241 199 621 149 80.0 82.2 29 30 40-7/16 7 12.1
BSI276 9 276 227 708 170 80.3 82.2 32-1/4 30 40-7/16 8 13.5
BSI310 10 310 253 792 190 81.5** 35-1/2 30 45-7/16 8 14.9
BSI345 11 345 282 883 212 81.6** 38-3/4 30 45-7/16 9 16.3
BSI379 12 379 309 967 232 81.6** 42 30 45-7/16 9 17.7
J-BOX
TRANSFORMER
& RELAY
NORMAL
WATER
LINE
SAFETY
VALVE
LEFT SIDE VIEW FRONT VIEW RIGHT SIDE VIEW
GAS VALVE
VENT
DAMPER
2" SUPPLY
DIA “D”
PRESSURE GAUGE
PRESS.
LIMIT
LOW
WATER
CUT-OFF
GAUGE
GLASS
2" RETURN
FLOOR LINE
DRAIN VALVE
(OR ALTERNATE
2" RETURN)
“A”
“B”
“C”
28 5/8
CROWN value built in...
Heat Exchanger constructed and tested in accordance
with ASME Section IV standard.
298-02-E
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