MGB SERIES II
Models
MGB-50J
MGB-75J
MGB-100J
MGB-125J
MGB-150J
MGB-170J
MGB-200J
Cast Iron Gas Fired Boilers
For Forced Hot Water
PARTS AND OPTIONAL
ACCESSORIES
Ordering Instructions
Order Parts through your nearest supplier.
When ordering parts, obtain Model Number and Serial Number from
data plate on your boiler.
Include following information when ordering.
Part Number
Part Description
Boiler Model Number
Boiler Serial Number
Check our website frequently for updates: www.ecrinternational.com
ECR International, Inc.
2201 Dwyer Avenue, Utica NY 13501
web site: www.ecrinternational.com
Manufactured by:
P/N 240010095, Rev. E [03/2015]
BOILER BASE
6
REPLACEMENT PARTS - BASE
1
2
5
Item
#
BURNER TUBE 1 1/2" - 50
BURNER TUBE 1 1/2" - 75, 100 2
1
BURNER TUBE 1 1/2" - 125, 150 3
BURNER TUBE 1 1/2" - 170, 200 4
BASE W/INSUL - 50 5611601
BASE W/INSUL - 75, 100 5611602
2
BASE W/INSUL - 125, 150 3001823
BASE W/INSUL - 170, 200 5611604
BURNER DOOR - 50 109009071
BURNER DOOR - 75, 100 109009072
3
BURNER DOOR - 125, 150 109009073
BURNER DOOR - 170, 200 109009074
GAS VALVE VR8204H - 50 - 150 SPARK
NAT
GAS VALVE VR8304H4 - 170-200 SPARK
4
NAT
GAS VALVE VR8304 - 50-200 SPARK LP VG01104
Description Part # Qty.
240005543
VG01101
VG01103
3
4
Item
#
5 SCREW ¼ - 20 X ½ SELF TAP HW-005.01 4
1
MANIFOLD - 50 356-2-1.01
MANIFOLD - 75 & 100
6
MANIFOLD - 125 & 150
MANIFOLD - 170 & 200
1
1
1
ORIFICE 3.2mm NAT - 50, 100, 150, 200, 240007406
ORIFICE 2.9mm NAT - 125, 170 240007403
ORIFICE 2.8mm NAT - 75 240007402
7
ORIFICE #45 LP - 50 3551520
ORIFICE #47 LP - 100, 150, 200 355-1-5.04
ORIFICE #49 LP - 125 & 170 355-1-5.06
ORIFICE #50 LP - 75 355-1-5.07
COMBUSTIBLE BASE FLOORING - 50 325-2-8.01
COMBUSTIBLE BASE FLOORING - 75, 100 325-2-8.02
COMBUSTIBLE BASE FLOORING - 125, 150 325-2-8.03
NOT SHOWN
COMBUSTIBLE BASE FLOORING - 170, 200 325-2-8.04
*
Orice Quantities: Model 50 - qty 1; Model 75 & 100- qty 2; Model 125 &
150- qty 3; Model 170 & 200 - qty 4
Description Part # Qty.
356-2-1.02
356-2-1.03
356-2-1.04
1
*
1
2
REPLACEMENT PARTS - HEAT EXCHANGER
HEAT EXCHANGER
Fully Assembled Heat Exchangers
912000001 Heat Exchanger (2 Section)
912000002 Heat Exchanger (3 Section)
912000003 Heat Exchanger (4 Section)
912000004 Heat Exchanger (5 Section)
ROLLOUT & BLOCKED VENT SAFETY SWITCH
ROLLOUT & BLOCKED VENT SAFETY SWITCH
1
2
2,3 Section Bracket Shown
3
Item
#
2, 3 SECTION TEMP. SENSOR BRACKET (Rollout) 32611001 1
4 SECTION TEMP. SENSOR BRACKET (Rollout) 109008517 1
1
5 SECTION TEMP. SENSOR BRACKET (Rollout) 109008518 1
CONTROL-FIXED TEMPERATURE THERMO (ROLLOUT
2
SWITCH AND BLOCKED VENT SAFETY SWITCH)
3 SCREW - #6 X ¼ HEX HD HW06501 2
Rollout switch is located on base; blocked vent safety switch on ue collector.
NOTE: Quantities above are for each switch.
Description Part # Qty.
AQ02101 1
3
REPLACEMENT PARTS - JACKET
BOILER JACKET
8
7
1
2
9
3
4
5
Item
#
DAMPER 4" 50 240006936
DAMPER 5" 75 240006937
1
DAMPER 6" 100 & 125 240006938
DAMPER 7" 150 & 170 240006939
DAMPER 8" 200 240006940
PANEL - TOP 50 31621501AC
PANEL - TOP 75 & 100 31621502AC
2
PANEL - TOP 125 31621503AC
PANEL - TOP 150 31621504AC
PANEL - TOP 170 & 200 31621505AC
PANEL - REAR 50 3162601AC
PANEL - REAR 75 & 100 3162602AC
3
PANEL - REAR 125 & 150 3162603AC
PANEL - REAR 170 & 200 3162604AC
4 PANEL - RIGHT 109008633AD 1
FLUE COL 50 3462101
FLUE COL 75 3462108
FLUE COL 100 3462102
5
FLUE COL 125 3462107
FLUE COL 150 3462103
FLUE COL 170 3462109
FLUE COL 200 3462104
DESCRIPTION
Part Number
(MGB)
6
Qty.
Item
#
PANEL - BASE 50 3161201AC
PANEL - BASE 75 & 100 3161202AC
6
1
1
1
1
PANEL - BASE 125 & 150 109008530AC
PANEL - BASE 170 & 200 109008531AC
PNL LWR ACCES 50 109008534AC
PNL LWR ACCES 75/100 109008535AC
7
PNL LWR ACCES 125/150 109008536AC
PNL LWR ACCES 170/200 109008537AC
DRAFT DEFLECTOR 50 3162501AC
DRAFT DEFLECTOR 75/100 3162502AC
8
DRAFT DEFLECTOR 125/150 3162503AC
DRAFT DEFLECTOR 170/200 3162504AC
9 PANEL - LEFT 3162708AD
PNL- UPPER ACCESS 50 31621201AC
PNL- UPPER ACCESS 75&100 31621202AC
PNL- UPPER ACCESS 125 31621203AC
10
PNL- UPPER ACCESS 150 31621204AC
PNL- UPPER ACCESS 170 & 200
DESCRIPTION Part Number Qty.
1
1
1
31621205AC
4
SPARK PILOT
REPLACEMENT PARTS - PILOT
1
Spark Pilot Kit - Natural Gas & LP/Propane
550003057
Item Description Qty.
1 PILOT AND BRACKET ASSEMBLY 1
* BRACKET SCREW 2
LP ORIFICE - BBR 11
*
COMPRESSION FITTING
*
* Not Shown
1
1
5
PIPING & CONTROLS
12
11
REPLACEMENT PARTS - PIPING & CONTROLS
13
14
1
2
3
4
5
10
9
ITEM DESCRIPTION P/N QTY.
1 RELIEF VALVE 30# VR-001.01 1
2 WELL 3/4"X 1 ½" 1635001 1
3 GAUGE - TEMPERATURE PRESSURE 126006SP 1
4 PIPE - ELBOW 3/4" 90° 1190001 1
5 PIPE - NPL 3/4"X4" 1310001 1
6 PIPE - TEE 1.1/4X3/4X1.1/4 1510001 1
7 PIPE - NPL 1.1/4X4.1/2 NPT 1310002 1
8 DRAIN - SHORT 240009323 1
WIRE HIGH VOLTAGE 240009194 1
9
WIRE LOW VOLTAGE 240009195 1
10 WIRE ROLLOUT/SPILL 240010924 2
11 HARNESS CIRCULATOR 60" 240008767 1
12 CONTROL COVER 108000193AD 1
13 CONTROL ASSEMBLY (FOUND ON PAGE 7) N/A 1
14 CLAMP #3600 WHITE EF03601 2
6
7
8
6
CONTROL ASSEMBLY
11
10
9
REPLACEMENT PARTS - CONTROL MODULE
1
8
2
3
4
67 5
ITEM DESCRIPTION P/N QTY.
1 Control Module 240008781 1
2 50 VA Transformer 240008782 1
3 J-BOX 109008634 1
4 J-BOX COVER 109008635 1
5 SCREW # 8X 1/2 " B POINT 201000021 4
6 GROUND SCREW # 8 HW07701 2
7 GROMMET, PLASTIC 7/8" 14693011 1
8 GROMMET, PLASTIC 7/8" 206000023 1
9 SCREW #10 X 1/2" , A POINT 14695074 8
10 CONTROL PANEL 109008507 1
11 CABLE KEEPER EF03601 1
* SENSOR, 36" 240007732 1
* SENSOR CLIP 240008013 1
* DAMPER HARNESS 240006309 1
* NOT SHOWN
7
UTICA BOILERS
2201 Dwyer Avenue
Utica NY 13501
web site: www.ecrinternational.com
Loading...