| Expanded View (Diagram 1) | 
| Item # | Description | Part # | 
| 1 | 500,000 BTU ModCon Module | 7350P-006 | 
| 2 | Burner Assembly (Burner Door, Flapper Valve, Burner, Burner Gasket) | 7350P-442 | 
| 3 | M6 Nut - Burner Door | 7500P-067 | 
| 4 | Flame Rectification Probe (with Gasket) | 7350P-023 | 
| 5 | Spark Electrode (with Gasket) | 7350P-266 | 
| 6 | Gasket - Probe / Electrode | 7250P-005 | 
| 7 | M4 X 8MM Stainless Steel Screw for Probe / Electrode | 7250P-069 | 
| 8 | Gasket - Blower to Flapper Valve | 7350P-274* | 
| 9 | M5 X 12MM Allen Cap Screw - Blower (not shown) | 7250P-206 | 
| 10 | Combustion Blower | 7350P-159 | 
| 11 | Air / Gas Mixer Assembly | 7350P-630 | 
| 12 | M5 X 12MM Allen Cap Screw - Air / Gas Mixer | 7250P-478 | 
| 13 | Washer - Air / Gas Mixer | 7450P-115 | 
| 14 | 3/4 in. Flare X 3/4 in. BSPP Fitting | 7450P-138* | 
| 15 | 3/4 in. Flare Flex Hose | 7600P-152* | 
| 16 | 3/4 in. Flare X 3/4 in. NPT Adapter | 7450P-143 | 
| 17 | 3/4 in. NPT Elbow | 7350P-083* | 
| 18 | 3/4 in. NPT X Close Nipple - Zinc Phosphate Coated | 7350P-101* | 
| 19 | 3/4 in. Gas Ball Valve | 7350P-079* | 
| 20 | M5 X 25MM Stainless Steel Socket Cap Screw - Switch Block | 7250P-061* | 
| 21 | Gas Pressure Switch Block (Left) | 7350P-075 | 
| 22 | High Pressure Gas Switch with O-Ring (optional) | 7350P-035 | 
| 23 | Gas Valve | 7350P-033 | 
| 24 | Silicone O-Ring # 127 - Switch Block | 7350P-077 | 
| 25 | Gas Pressure Switch Block (Right) | 7350P-076* | 
| 26 | Low Pressure Gas Switch with O-Ring (optional) | 7350P-036 | 
| 27 | 3/4 in. X 4-1/2 in. Nipple - Zinc Phosphate Coated | 7350P-081* | 
| 28 | 3/4 in. X 1-1/2 in. NPT Reducing Coupling Black Iron | 7350P-110* | 
| 29 | Thermal Fuse | 7350P-626 | 
| 30 | 1/8-27 NTP Plug - Switch Block | 7350P-078* | 
| 31 | 2 in. NPT Nipple | 7350P-102* | 
| 32 | Ceramic Refractory (located inside end of module) | 7250P-162 | 
| 33 | Temperature Limit Switch | 7450P-085 | 
| 34 | Vent Adapter | 7350P-219 | 
| 35 | Burner Door Gasket (not shown) | 7350P-460 | 
| 36 | Rope Gasket (not shown | 7350P-465* | 
|  | Harness Voltage Divider (not shown) | 7350P-800 | 
| . |  |  | 
| Side  View (Diagram 2): | 
| Item # | Description | Part # | 
| 41 | ECO High Limit Sensor (with O-Ring) | 7500P-033 | 
| 42 | O-Ring ECO High Limit Sensor | 7500P-100 | 
| 43 | Sensor, NTC | 7450P-280 | 
| 74 | ECO Switch - 190 deg. | 7500P-002 | 
| 45 | 2 in. Inlet / Nipple (with O-Ring) | 7350P-004 | 
| 46 | O-Ring - Inlet / Outlet Nipple | 7350P-072 | 
| 47 | 2 in. Inlet Nipple Clip | 7350P-015 | 
| 48 | 2 in. Outlet Nipple (with O-Ring) | 7350P-319* | 
| 49 | 3/4 in. NPT X 3 in. Nipple - Brass | SN1018* | 
| 50 | 150# Relief Valve 3/4 in. NPT | 7350P-065 | 
| 51 | Flue ECO Switch - 160 deg. | 7250P-739 | 
| 52 | Condensate Collector Assembly | 7350P-613 | 
| 53 | Condensate Overflow Switch | 7350P-167 | 
| 54 | 2 in. PVC Plug | 7350P-113 | 
| 55 | Drain Valve | 7350P-277* | 
| 56 | Temperature / Pressure Gauge | 7250P-499 | 
| 75 | Pressure Switch | 7250P-150 (new # 64980007) | 
| 58 | Plastic Tubing 3/16 in. ID X 5/16 in. OD X 12 in. | 7000P-805 (new # 64980021) | 
| 59 | Stainless Steel Barbed Fitting 1/4 in. Hose X 10-32 | 7250P-154 (new # 64980137) | 
| 60 | O-Ring, Silicone 2-007 - Barbed Fitting | 7250P-152 | 
| 61 | Flow Switch for ModCon VWH | 7250P-517 | 
| . |  |  | 
|  Cabinet / Control Board (Diagram 3) | 
| Part # | Description | Part # | 
| 71 | MOD CON Frame | 7350P-345* | 
| 72 | Leveling Foot / Mount Kit (Single Models Only) | 7250P-673 | 
| 73 | Jacket Mounting Bracket | 7250P-316* | 
| 74 | #10 X 1/2 in. Self Tapping Screw | 7350P-063 | 
| 75 | Jacket - Bottom (with Screws) | 7350P-315 | 
| 76 | Jacket - Left Side (with Screws) | 7350P-313 | 
| 77 | Jacket - Right Side (with Screws) | 7350P-314 | 
| 78 | Jacket - Read (with Screws) | 7350P-049 | 
| 79 | Jacket - Top (with Screws) | 7350P-312* | 
| 80 | Jacket - Front | 7350P-087* | 
| 81 | Jacket - Lower Front (with Screws) | 7350P-048 | 
| 82 | Jacket - Upper Front (Includes Panel, Display and Switch) | 7350P-748 | 
|  | Jacket - Upper Front (Panel only) | 7350P-146* | 
| 83 | Power Switch | 7500P-087 | 
| 84 | Display Board | 7450P-028 | 
| 85 | Electrical Box | 7350P-042* | 
| 86 | 926 Control Board | 7350P-1301 | 
| 87 | Field Connection Board | 7350P-070 | 
| 88 | 6-32 X 1/4 in. Pan Head Screw | 7500P-115 | 
| 89 | Relay Board | N/A | 
| 90 | Fuse for Control Board - 6.3 AMPS | 7250P-378 | 
| 91 | Fuse - Connection Board - 3.15 AMPS | 7350P-129 | 
| 92 | Electrical Box/Access Panel Cover | 7350P-062 | 
| 93 | Air Inlet Bracket | 7350P-103 | 
| 94 | 120V Wiring Harness (Location) | 7350P-632 | 
| 95 | Low Voltage Wiring Harness (Location) | 7350P-737 | 
| 96 | Blower Wiring Harness (Location) | N/A | 
| . |  |  | 
|  | See ModCon Accessories - PC connection, vent kits, mesh screens, etc. | 
| . |  |  |