JupiterHeating.com

Directory: Catalog > Heat Transfer Products (HTP) > Parts

MODCON 500 VWH Volume Water Heater Parts (Units Built Before 12/2012)

  • Match the Item # on the chart with the same Item # indicated on the line art diagrams below the chart.
  • Items not currently for sale on our site do not have yellow links and are marked with an asterisk. Please Contact Us for price and availability.
  • 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
.    

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 2 in. Inlet/Nipple (with O-Ring) 7350P-004
58 O-Ring - Inlet/Outlet Nipple 7350P-072
59 2 in. Inlet/Outlet Nipple Clip 7350P-015
60 2 in. Outlet Nipple (with O-Ring) 7350P-002*
61 3/4 in. NPT X 3 in. Nipple - Brass SN1018*
62 150# 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-1204
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 boiler parts

 

Side View (Diagram 2):

modcon-before-1212 lp-2054

 

Cabinet Parts / Control Board (Diagram 3):

Cabinet Parts

 

LP-276 Rev. 5.24.19

We are closing for Easter and Spring Break on
Thursday, April 1, 2026 and will return on Monday, April 6, 2026.
All orders and emails will be held until we return to the office.