Expanded View (Diagram 1) | 
| Item # | 
Description | 
Part # | 
| 1 | 
Thermistor | 
7250P-667 | 
| 2 | 
Thermodisc Flue 210 Degrees | 
7250P-089 | 
| 3 | 
Steel Push Retainer (Thermodisc Flue ECO) | 
7250P-151 | 
| 4 | 
PVC Black Tubing 1/8 ID (thermodisc Flue ECO) | 
7250P-311 | 
| 5 | 
Water Pressure Switch | 
7250P-096 | 
| 6 | 
ECO High Limit Sensor | 
7250P-019 | 
| 7 | 
Dungs Gas Valve | 
7250P-450 | 
| 8 | 
Screw M4 x 20MM - Gas Valve Adapter | 
64980287 (old # 7250P-717) | 
| 9 | 
Swirl Plate | 
7500P-092 (new # 64980049) | 
| 10 | 
Gas Valve Adapter Plate (with Screws) | 
7250P-644 (new # 64980046) | 
| 11 | 
Screw M5 x 12MM (Gas Valve Adapter Plate) | 
7500P-105 | 
| 12 | 
Relief Valve | 
7250P-080 | 
| 13 | 
Brass Nipple 3/4 in. NPT x 3 in. | 
SN1018* | 
| 14 | 
Brass 90 Degree Elbow 3/4 in. NPT | 
7250P-313* | 
| 15 | 
Combustion Blower (Blower Motor) | 
7250P-085 | 
| 16 | 
Screw M5 x 14MM (Combustion Blower) | 
7250P-478 | 
| 17 | 
Gasket (Air/Gas Channel to Combustion Blower) | 
64980043 (old # 7500P-075) | 
| 18 | 
Air/Gas Channel | 
7250P-685 | 
| 19 | 
Gasket (Flame Rectification Probe/Spark Electrode) | 
7250P-005 | 
| 20 | 
Spark Electrode (with Gasket) | 
7350P-020 | 
| 21 | 
Screw M4 X 8MM (Flame Rectification Probe/Spark Electrode) | 
7250P-069 | 
| 22 | 
Flame Rectification Probe (with Gasket) | 
7500P-039 | 
| 23 | 
Screw Torx M5 X 22M (Air/Gas Channel to Burner Door) | 
7250P-206 | 
| 24 | 
Gasket (Air/Gas Channel to Burner) | 
7500P-074 | 
| 25 | 
NIT Burner | 
7500P-016 | 
| 26 | 
Nut M6 (Burner Door) | 
7500P-067 | 
| 27 | 
Burner Door | 
7250P-684 | 
| 28 | 
Burner Door Ceramic Refractory | 
7250P-702 | 
| 29 | 
Screw M4 X 8MM (Ceramic Target Wall) | 
7250P-704 | 
| 30 | 
Washer M4 (Ceramic Target Wall) | 
7500P-109 | 
| 31 | 
Ceramic Target Wall | 
7250P-160 | 
| 32 | 
Screw M4 X 30MM Allen Head (Gas Piping Assembly) | 
N/A | 
| 33 | 
Screw M4 X 12MM Allen Head (Gas Piping Assembly | 
N/A | 
| 34 | 
Gas Piping Assembly (with Shut-Off Valve, Screws) | 
7250P-705 | 
| 35 | 
Welded Module | 
7250P-298 (no longer available) | 
| 36 | 
24VAC Gas Valve Coil Only - Grey (discontinued, please order the complete gas valve assembly) | 
7350P-624 (no longer available) | 
|   | 
Blower Motor Gasket (not shown) | 
7250P-226 | 
|   | 
Spark Cable (not shown) | 
7250P-653 | 
|   | 
See Accessories - PC connection, vent kits, mesh screens, etc. | 
  | 
| . | 
  | 
  | 
Front View / Control Board (Diagram 2) | 
| Item # | 
Description | 
Part # | 
| 41 | 
Blocked Vent Pressure Switch | 
7250P-150 (new # 64980007) | 
| 42 | 
Screw #8 x 1/2 in. (Blocked Vent Pressure Switch) | 
7250P-133 | 
| 43 | 
Low Voltage Wiring Harness (10 Pin/20 Pin Main Wiring Harness, with Gas Valve Plug) | 
7250P-700 | 
| 44 | 
9 Pin Wiring Harness | 
7250P-697 | 
| 45 | 
5 Pin Wiring Harness | 
7250P-696 | 
| 46 | 
Control Board Mounting Panel (with Screws) | 
7250P-651* | 
| 47 | 
Screw 1/4-20 X 1/2 in. (Control Board Mounting Panel) | 
7250P-184* | 
| 48 | 
Control Board Hold Down Clips | 
7250P-352 | 
| 49 | 
926 Control Board Upgrade Kit  
- For units built before July, 2008 that have the 925 Control Board
 
- Includes 926 Control Board (with Fuse) 7350P-008, Display Card and Ribbon Cable 64980136 (old # 7350P-009), Spark Cable 7250P-653, Hold Down Clips 7250P-352, and Flue Jumper Wire (if needed).
 
 
  | 
7250P-731  
(also use 7250P-1020) | 
| 49 | 
926 Control Board (with Fuse)  
- For units built after July, 2008, or if the board has been previously upgraded from 925 to 926 | 
7350P-008 
(also use 7250P-1200)  | 
| 50 | 
Fuse (Control Board) | 
7250P-378 | 
| 51 | 
LED Display Box with Ribbon Cable - DISCONTINUED 
- Only if the main control board is 925.
 
  | 
7250P-332 | 
| 51 | 
LED Display Box with Ribbon Cable 
- Only if the main control board is 926.
 
  | 
7250P-091 | 
| 51 | 
Display Card and  Ribbon Cable (without box) 
- Only if the main control board is 926.
 
  | 
7350P-009 (new # 64980136) | 
| 52 | 
Electrical Box (with Screws, Covers) | 
7250P-707* | 
| 53 | 
Screw #8 X 1/2 in. Self Tapping (Electrical Box) | 
7250P-133 | 
| 54 | 
Brass Nipple 1 X 1-1/4 X 3-3/4 in. | 
7250P-221 | 
| 55 | 
Cabinet Cover | 
7250P-235* | 
| 56 | 
Cabinet Latch and Gasket Kit (with Screws) | 
7250P-671 | 
| 57 | 
Leveling Foot | 
7250P-673 | 
| 58 | 
Condensate Hose Assembly | 
7250P-724 | 
| 59 | 
PVC Nipple Sch. 80 3.4 in. NPT (Condensate Assembly) | 
7250P-648 | 
| 60 | 
Hose Clamp (Condensate Assembly) | 
7250P-210 | 
| 61 | 
PVC Tee Sch. 40 3/4 in. (Condensate Assembly) | 
7250P-646 | 
| 62 | 
Cable Clamp (Condensate Assembly) | 
7250P-649 | 
| 63 | 
Screw #8 X 1/2 in. Self Tapping (Condensate Assembly) | 
7250P-133 | 
| 64 | 
Poly Plug 3/4 in. NPT (Condensate Assembly) | 
7250P-647 | 
| 65 | 
3 in. Vent Adapter | 
7250P-744 | 
| 66 | 
S.S. Hex Nut 10-32 (Blocked Vent Pressure Switch) | 
7250P-153 | 
| 67 | 
O-Ring 007 (Blocked Vent Pressure Switch) | 
7250P-152 | 
| 68 | 
Hose Barb 1/4 X 10-32 (Blocked Vent Pressure Switch) | 
  | 
| 69 | 
Plastic Tubing 3/16 in. ID (Blocked Vent Pressure Switch) | 
7000P-805 (new # 64980021) | 
| . |