How to Guide

*G7SD UPFLOW / HORIZONTAL REPLACEMENT PARTS LIST

95.0 % AFUE

ITEM DESCRIPTION 038D-24B 054D-24B 072D-35C 090D-35C 108D-45D 120D-45D

1 Door Set 904768 904768 904769 904769 904770 904770

2 Top Panel 2A9512R 2A9512R 2A9513R 2A9513R 2A9514R 2A9514R

3 Burner Assembly 905020 905021 905022 905023 905024 905025

4 Ignitor Assembly - Nitride 921074 921074 921074 921074 921074 921074

5 Igniter Bracket (Not Shown) 299261 299261 299261 299261 299261 299261

6 Inshot Burner 661128 661128 661128 661128 661128 661128

7 Manifold, Burner Tube 664473 664473 664243 664244 664245 664245

8 Oriﬁce, Main Burner, Nat. Gas 661051 661047 661047 661047 661046 661045

9 Flame Sensor 632484 632484 632484 632484 632484 632484

10 Gas Valve 624775 624775 624775 624775 624775 624775

11 Roll-Out Switch 626609 626610 626610 626610 626610 626610

12 Control Board 920915 920915 920915 920915 920915 920915

13 Fuse 632261 632261 632261 632261 632261 632261

14 Heat Exchanger 904792 904792 904793 904794 904795 904795

15 Main Air Limit 626603 626598 626598 626612 626612 626612

16 Inducer Motor 904798 904798

904798 904798 904798 904798

17 Inducer Oriﬁce 669927 669718 669719 669734 669715 669717

18 Inducer Limit 626606 626606 626606 626606 626606 626606

19 Outlet Header Box 904802 904802 904803 904803 904804 904804

20 Pressure Switch (Condensate) 632674 632493 632493 632624 632445 632622

21 Pressure Switch (Inducer) 632673 632487 632487 632487 632675 632571

22 Transformer 622341 622341 622341 622341 622341 622341

23 Door Switch 632125 632125 632125 632125 632125 632125

24 Blower Assembly 904682 904682 904683 904684 904684 904684

25 Blower Housing Assembly 294207R 294207R 297204R 297209R 297209R 297209R

26 Capacitor 622545 622545 622549 622549 622549 622549

27 Motor, Blower 904858 904858 904859 904860 904860 904860

28 Wheel, Blower 667258 667258 667207 667280 667280 667280

29 Blower Limit 626611 626611 626611 626611 626611 626611

30 Repl. Motor Mount Kit 904951 904951 904980 904951 904951 904951

31 In-Line Drain Assembly 664435 664435 664435 664435 664435 664435

32 Drain Tube, Soft, 23” (Not Shown) 664434 664434 664434 664434 664434 664434

33 Drain Tube, Hard “J”(Not Shown) 663706 663706 663706 663706 663706 663706

34 Drain Tube, Soft, “J” 30”(Not Shown) 663707 663707 663707 663707 663707 663707

35 Tube, Soft, 6.5” (Not Shown) 663727 663727 663727 663727 663727 663727

36 Hose, High Temperature (Not Shown) 263967 263967 263967 263967 263967 263967

37 Set of Wires (Not Shown) M0036003 M0036003 M0036007 M0036007 M0036007 M0036007

38 Finish Flange, Inlet Air 664633 664633 664633 664633 664633 664633

39 PVC Trap (Not Shown) 664659 664659 664659 664659 664659 664659

Please specify the correct Model No., Serial No, and part number(s) when ordering parts from the nearest authorized dealer or service center.

FOR

COMPONENT LOCATIONS, SEE PAGE 13.