Crown BSI069 User Manual
Cast iron heat exchanger
Stainless steel burners
Built-in draft diverter to fit low spaces
Automatic vent damper included*
Attractive, rugged jacket
BERMUDA
GAS-FIRED STEAM BOILER
Designed for reliability, efficiency and
performance. For residential and small
commercial applications with approved
chimney.
Fully assembled or available as knock-down package
Ten sizes from 69 to 379 MBH
Designed for installation on combustible floors
*BSI069 through BSI276
See back side for piping configurations.
www.crownboiler. com | Philadelphia PA
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BSI SERIES - BERMUDA
TECHNICAL SPECIFICATIONS
DIMENSIONS
(INCHES)
DIAMETER
MODEL
NO. OF
SECS
INPUT
(MBH)
NATURAL OR LP GAS
HEATING
AHRI NET RATING
CAPACITY
(MBH)
SQ. FT. MBH
(STEAM)
AFUE %
APPROX.
SHIPPING
WEIGHT
(PKG)
A B C
BSI069 3 69 56 179 49 81.9 354 12-3/4 28 40-7/16 4
BSI103 4 103 84 267 73 82.0 432 16 28 40-7/16 5
BSI138 5 138 113 354 98 82.1 504 19-1/4 28 40-7/16 6
BSI172 6 172 142 446 123 82.2 589 22-1/2 28 40-7/16 6
BSI207 7 207 171 533 149 82.3 669 25-3/4 30 40-7/16 7
†
BSI241
BSI276
8 241 200 621 174 82.4 745 29 30 40-7/16 7
†
9 276 229 708 199 82.5 826 32-1/4 30 40-7/16 8
BSI311†* 10 310 253 790 190 77.5** 957 35-1/2 30 45-7/16 8
BSI346†* 11 345 281 879 211 77.5** 1044 38-3/4 30 45-7/16 9
BSI380†* 12 379 309 966 232 77.5** 1125 42 30 45-7/16 9
1. USA - For altitudes above 2,000 ft. ratings should be reduced at the rate of 4% for each 1,000 ft above sea level.
†
Available as semi-packaged boiler
*Not available for elevations above 2,000 ft. or for use with LP gas
**Thermal efficiency
All residential cast iron steam boilers include a full one-year
warranty. A 12-year limited warranty is provided for the heat
exchanger. A 5-year and a 10-year extended warranty covering
parts and labor are also available. Visit CrownBoiler.com or see
your warranty for complete details.
The Mega-Stor® indirect water heater utilizes the
energy created by your boiler to produce abundant
hot water for your home. Mega-Stor water heaters
come in a variety of sizes from 26 to 119 gallons to
meet a multitude of residential and commercial
needs.
Specifications are subject to change without notice.
ADDITIONAL FEATURES/BENEFITS
• Available with natural or LP gas
• Probe low water cut-off standard; option of float low water
cut-off or low water cut-off/feeder combo
• Isolation relay simplifies thermostat wiring
• Redundant gas valve
• Roll-out switch; blocked vent switch
• Glass gauge set
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FLUE
COLAR
www.crownboiler. com | Philadelphia PA
BSI - 08/12
PN 980531 - R4
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