2
SG SERIES BOILERS
DIMENSIONS AND SPECIFICATIONS
Standard Model Includes:
• Electronic Ignition
• Stainless Steel Burners
• Gas Valve
• Redundant Gas Valve
• Operating Aquastat
• Safety High Limit Aquastat
• Temperature / Pressure Gauge
• A.S.M.E. Pressure Relief Valve 30 p.s.i.
• Drain Valve
• Draft Hood
• Transformer
• Control Panel Enclosure
* In Canada: For altitudes above 2,000 feet, contact the factory for the appropriate Input derate.
* In U.S.A.: For altitudes above 2,000 feet, reduce input 4% for each 1000 feet above sea level.
** Add 3” to dimension ‘A’ (1 1/2” to each side of boiler) to allow for 2” NPT water connections.
Options:
• Natural Gas add suffix "N" - Propane models add suffix “P”
• Electronic Ignition add suffix “E”
• High/Low fire add suffix “M” - Full Modulation add suffix “MOD”
INPUT* OUTPUT DIM A** DIM B DIM C DIM D
GAS
CONN. F
SHIPPING
WEIGHT
MODEL
NUMBER
MBH kW MBH kW H.P. in Cm in cm in cm in cm
Typical
NPT
lb kg
SG315 315 92.3 265 77.7 7.9 26.7 67.8 9.5 24.1 8.0 20.3 47.6 121 3/4” 307 140
SG360 360 106 303 88.8 9.0 29.7 75.4 9.5 24.1 9.0 22.9 48.6 124 3/4” 336 153
SG400 400 117 337 98.7 10.0 32.7 83.1 9.5 24.1 9.0 22.9 48.6 124 3/4” 368 167
SG450 450 132 379 111 11.3 35.7 90.7 15.5 39.4 10.0 25.4 55.3 140 1” 395 180
SG495 495 145 417 122 12.4 38.7 98.3 15.5 39.4 10.0 25.4 55.3 140 1” 424 193
llow 24” (610 mm) minimum in front for servicing.
Minimum clearances to combustible material: Top 24” (610 mm), Sides 2” (51 mm), Rear 2” (51 mm), Flue 6" (153 mm)
PPROVED FOR COMBUSTIBLE FLOORS & CLOSET INSTALLATION, do not install on carpeting.
The Super Hot product improvement program may result in changes to the design and / or specifications being made without notice.
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