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DIMENSIONS AND SPECIFICATIONS
MG SERIES BOILERS
Standard Model Includes:
• Zone Control Board with Transformer
• Stainless Steel Burners
• Combination Gas Valve
• Dual Safety High-Limit Aquastat
• Temperature / Pressure Gauge
• A.S.M.E. Pressure Relief Valve
• Drain Valve
• Draft Hood
• Blocked Vent Safety Switch
• Flame Roll-out Safety Switch
• Automatic Vent Damper
“PS” Packaged Models Include
Standard Model Parts plus:
• Circulating Pump
• Custom Cast Iron Pump Adapter
• Expansion Tank
• Air Purger
• Combination Fill / Regulator Valve
• Automatic Air Vent
INPUT* OUTPUT** DIM A DIM B DIM C DIM D DIM E
SHIPPING
WEIGHT
MODEL
NUMBER
MBH kW MBH kW in cm in cm in cm in cm in cm lb kg
MG50 50 14.7 42.4 12.4 11.5 29.2 5.25 13.3 4.0 10.2 39.2 99.6 4.5 11.4 125 57
MG75 75 22.0 63.5 18.6 14.5 36.8 5.25 13.3 5.0 12.7 39.5 100.3 4.5 11.4 150 68
MG100 100 29.3 84.6 24.8 17.5 44.5 5.25 13.3 5.0 12.7 39.5 100.3 4.5 11.4 175 80
MG125 125 36.6 105.5 30.9 20.5 52.1 6.50 16.5 6.0 15.2 40.5 102.9 4.5 11.4 200 91
MG150 150 44.0 126.5 37.1 23.5 59.7 6.50 16.5 6.0 15.2 40.5 102.9 4.5 11.4 225 102
Options:
• Natural Gas add suffix "N" - Propane models add suffix “P”
• Electronic Ignition add suffix “E” - Hot Surface Ignition add suffix “HS”
• Add 35 pounds weight (16 kg) for packaged boilers - add suffix “PS”
llow 18” (457 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.
The Super Hot product improvement program may result in changes to the design and / or specifications being made without notice.
* For altitudes above 2,000 feet, refer to Section 3.6 to determine the appropriate Input derate or contact the factory.
** Output based on boilers equipped with electronic ignition.
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