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MODCON 500 Boiler Parts (Units Built Before 12/2012)

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  • See the parts list sorted by part number.

 

Expanded View (Diagram 1)

Item # Description Part #
1 500,000 BTU Modcon Module 7350P-006
2 Burner Door 7350P-016*
3 Burner Door Refractort 7350P-018
4 Burner - GCFI 7350P-031
5 Burner Mounting Gasket 7500P-074
6 Air Channel 7250P-687
7 M5 X 14MM Torx Screws - Air Channel 7250P-206
8 Gasket - Air Channel/Blower 7500P-075 (new # 64980043)
9 Combustion Blower 7350P-159
10 M5 X 12MM Allen Cap Screw - Blower 7250P-478
11 Air/Gas Mixer Assembly 7350P-630
12 Washer - Air/Gas Mixer 7450P-115
13 3/4 NPT X 3/4 BSPP Adapter 7450P-119
14 3/4 in. Gas Ball Valve 7350P-079*
15 3/4 NPT X Close Nipple - Phosphate Coated 7350P-101*
16 3/4 M X 3/4 F NPT Street Elbow 7350P-084*
17 Gas Pressure Switch Block (Left) 7350P-075
18 M5 X 25MM SS Socket Cap Screws - Switch Block 7250P-061*
19 Gas Pressure Switch Block (Right) 7350P-076*
20 1/8-27 NPT Plug - Switch Block 7350P-078*
21 Low Pressure Gas Switch with O-Ring (Optional) 7350P-036
22 Silicone O-Ring #127 - Switch Block 7350P-077
23 Gas Valve 7350P-033
24 High Pressure Gas Switch w/O-Ring (Optional) 7350P-035
25 3/4 in. NPT X 2 in. Nipple - Phosphate Coated 7350P-102*
26 3/4 in. NPT X 4-1/2 in. Nipple - Phosphate Coated 7350P-081*
27 3/4 in. X 1-1/2 in. NPT Reducting Coupling Black Iron 7350P-110*
28 M6 Nut - Burner Door 7500P-067
29 Gasket - Probe/Electrode 7250P-005
30 Flame Rectification Probe (with Gasket) 7350P-022
31 M4 X 8MM S.S. Screw - Probes 7250P-069
32 Spark Electrode (with Gasket) 7350P-020
33 Blocked Vent Pressure Switch 7250P-150 (new # 64980007)
34 S.S. Barbed Fitting 1/4 Hose X 10-32 7250P-154 (new # 64980137)
35 Silicone O-Ring 2-007 - Barbed Fitting 7250P-152
36 Plastic Tubing 3/16 in. ID X 5/16 in. OD X 12 in. Long 7000P-805 (new # 64980021)
37 Thermal Fuse 7350P-626
38 24 Vac Gas Valve Coil Kit 7350P-627*
39 Ceramic Refractory (Located Inside End of Module) 7250P-162
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Side View (Diagram 2):

Item # Description Part #
51 ECO High Limit Sensor (with O-Ring) 7500P-033
52 O-Ring - ECO High Limit Sensor 7500P-100
53 Thermistor - System Supply 7250P-059
54 Thermistor    7250P-667
55 Low Water Cut - Off Probe 7350P-089
56 ECO Switch - 190 Degrees 7500P-002
57 1-1/2 in. Inlet Nipple (with O-Ring) (ModCon 300 only) 2 in. Inlet/Nipple (with O-Ring) 7350P-004
58 O-Ring - Inlet/Outlet Nipple 7350P-072
59 1-1/2 in. Inlet/Outlet Nipple Clip (ModCon 300 only) 2 in. Inlet/Outlet Nipple Clip 7350P-015
60 1-1/2 in. Outlet Nipple (w/O-Ring) (ModCon 300 only) 2 in. Outlet Nipple (with O-Ring) 7350P-002*
61 3/4 in. NPT X 3 in. Nipple - Brass SN1018*
62 75# Relief Valve - 3/4 in. NPT 7350P-065
63 Vent Adapter 7350P-219
64 Flue ECO Switch - 160 Degrees 7250P-739
65 Condensate Collector Body 7350P-613
66 Condensate Overflow Switch 7350P-167
67 2 in. PVC Plug 7350P-113
68 Flow Switch Kit for ModCon VWH (includes Brass Tee) 7350P-605
.    

Cabinet Parts / Control Board (Diagram 3):

Item # Description Part #
71 MOD CON Frame 7350P-040*
72 Leveling Foot Support 7350P-092*
73 Leveling Feet Kit 7250P-673
74 Jacket Mounting Bracket 7250P-068*
75 # 10 X 1/2 in. Self Tapping Screw 7350P-063
76 Jacket - Bottom (with Screws) 7350P-060*
77 Jacket - Left Side (with Screws) 7350P-055*
78 Jacket - Right Side (with Screws) 7350P-056*
79 Jacket - Rear (with Screws) 7350P-049
80 Jacket - Top (with Screws) 7350P-051
81 Jacket - Front (with Screws) 7350P-047
82 Jacket - Lower Front (with Screws) 7350P-048
83 Jacket - Upper Front (w/MOD CON Label, Screws) 7350P-046*
84 Power Switch 7500P-087
85 926 Display Panel w/Ribbon Cable 7350P-009 (new # 64980136)
86 6-32 X 1/4 in. Pan Head Screw - Electronic Boards 7500P-115
87 Electrical Box 7350P-042*
88 926 Control Board 7350P-1201
89 Field Connection Board 7350P-070
90 Relay MODCON 850 N/A
91 Fuse - Control Board - 6.3 AMPS 7250P-378
92 Fuse - Connection Board - 3.15 AMPS 7350P-129
93 Electrical Box/Access Panel Cover 7350P-062
94 Air Inlet Bracket 7350P-103
95 120V Wiring Harness (Location) 7350P-026
96 Low Voltage Wiring Harness (Location) 7350P-140
97 Blower Wiring Harness (Location) N/A
.    
  See Accessories - PC connection, vent kits, mesh screens, etc.  
.    

 

Expanded View (Diagram 1):

ModCon 500 Parts Diagram

 

Side View (Diagram 2):

modcon-before-1212 lp-2054

 

Cabinet Parts / Control Board (Diagram 3):

Cabinet Parts

 

LP-205 Rev. 5-24-19