Utica Boilers MGB Series II/MGC Series Broschüre
Contractor
Assistance:
800.325.5479
P.O. Box 4729
Utica, New York 13504
tel: 315.797.1310
•
fax: 315.797.3762
www.uticaboilers.com
All ratings and specifications subject to change.
Utica MGB Series II & MGC Series Gas Fired Hot Water Boiler
Dimensional
Diagram
Model
Input Rate
(MBH)
(1)
Heating
Capacity
(MBH)
(1)
Net AHRI Rating,
Water (MBH)
(2)
Air
Cushion
Tank
(3)
No. of
Burners
AFUE
%
MGB-50J
50
52
36
15
1
83.5%
MGB-75J
75
63
55
15
2
83.1%
MGB-100J
100
83
72
30
2
83.0%
MGB-125J
125
104
90
30
3
82.0%
MGB-150J
150
124
108
30
3
83.0%
MGB-170J
170
139
121
30
4
82.0%
MGB-200J
200
165
143
30
4
82.0%
MGC-8D/DP*
262.5/245
220/206
191/179
60
7
83.9%
MGC-9D/DP*
299/280
251/235
218/204
60
8
83.7%
*D=Natural Gas, DP=LP Gas
The MCG has distinct input rates for Natural and LP gas versions. 8D/9D rates shown are for Natural gas. 8DP/9DP rates are for LP gas.
(1) Input rating for sea level to 2,000 ft. (610m) above sea level. United States, over 2000 ft (610m) above sea level. Reduce input rate 4% for every 1000
ft (304m) above sea level.
(2) Net AHRI Water Ratings shown based on piping and pickup allowance of 1.15. Consult manufacturer before selecting boiler for installations having
(2) Net AHRI Water Ratings shown based on piping and pickup allowance of 1.15. Consult manufacturer before selecting boiler for installations having
unusual piping and pickup requirements, such as intermittent system operation, extensive piping systems, etc.
For forced hot water systems where boiler and all piping within area to be heated, boiler may be selected on basis of its heating capacity.
(3) Recommended tank sizes for non-ferrous baseboard or radiant panel systems. Increase size for cast iron baseboard and radiation.
For forced hot water systems where boiler and all piping within area to be heated, boiler may be selected on basis of its heating capacity.
(3) Recommended tank sizes for non-ferrous baseboard or radiant panel systems. Increase size for cast iron baseboard and radiation.
General Information
(See Installation, Operation and Maintenance Manual for complete instructions)
Clearances
(4) Required
distances
measured from
boiler.
*Definition of Alcove
*Definition of Alcove
is three sided space
with no wall in front
of boiler. ANSI
standard for alcove
is 18 inches from
appliance to leading
edge of side walls as
shown in IOM.
Top
Combustible Materials (Required)
(4)
MGB
MGC
18” (457 mm)
6” (152 mm)
Control Side
9” (229 mm)
7” (178 mm)
Other Side
3” (76mm)
6” (152 mm)
Front
Alcove*
18” (457 mm)
Rear
4” (102 mm)
6” (152 mm)
Flue Connector
6” (152 mm)
6” (152 mm)
Connections
(All Models)
Return/Supply Water 1-1/4”, Gas In 1/2” NPT
Electrical
120 Volts AC, 60 hertz, 1 phase, Less than 12 amps (15 amp circuit recommended)
Water Content 50 - 2.4 Gallons, 75/100 - 4.0 Gallons, 125/150 - 5.6 Gallons, 170/200 - 7.2 Gallons,
262.5 - 12.7 Gallons, 299 - 14.4 Gallons
Dimensions/
Weights
Model
A
B
C
D
Weight
MGB-50J
11-1/8”
4”
30-3/4”
36-1/4”
205 lbs.
MGB-75J
15”
5”
30-3/4”
37-3/4”
253 lbs.
MGB-100J
15”
6”
30-3/4”
37-1/4”
253 lbs.
MGB-125J
18-7/8”
6”
30-3/4”
37-1/4”
315 lbs.
MGB-150J
18-7/8”
7”
30-3/4”
37-3/4”
315 lbs.
MGB-170J
22-3/4”
7”
30-3/4”
38-3/4”
377 lbs.
MGB-200J
22-3/4”
8”
30-3/4”
38-3/4”
377 lbs.
Model
A
C
D
E
Weight
MGC-8D/DP
27-1/2”
7”
36-3/8”
41-7/8”
552 lbs.
MGC-9D/DP
30-3/4”
7”
36-3/8”
41-7/8”
616 lbs.
Standard
Equipment
Boiler Control Module: Honeywell Control (High Limit/Electronic Ignition Control)
with plastic cover and display window.
User Display Interface: Digital Temperature Display
Heat Exchanger: Cast Iron Sections with Cast Iron Push Nipples.
Combustion: Stainless Steel Main Gas Burners (MGB)/Titanium Composite Burners (MGC), Combination 24
Volt Gas Control (Includes: Automatic Gas Valve, Gas Pressure Regulator, Automatic Pilot,Safety Shutoff, Pilot
Flow Adjustment, Pilot Filter), Intermittent Pilot Control, Continuous Retry, Combination Pilot Burner/Electrode/
Flame Sensor.
Safety: Spill Switch and Roll-Out Switch for safety (MGB)/Flame Roll-Out Safety Shut-Off (Fuse Link) (MGC),
Automatic Vent Damper.
Other: Insulated Boiler Jacket, Integral Draft Diverter, Combination Temperature/Pressure Gauge,
Circulator Pump, 3/4” Drain Valve, 30lb. ASME Relief Valve.
Options
Available in both natural gas or propane models. Central Heating Pump (Taco, Grundfos, B&G or Less
Pump), LP Conversion Kit, Combustible Floor Plate, Fill-Trol.
Certifications
Tested for 100 psi (MGB) / 50 psi (MGC)
ASME Working Pressure
C.S.A. Certified For
Natural Gas Or Propane
MGB Side
MGC Side
1-1/4”
Return
MGB Front
MGC Front
PN 240009709 Rev. 11/14