Suburban Nt Series NT34L Parts Diagram · Exploded View › Blower Assembly

Furnace · 5 assemblies · 10 diagram sheets · 87 parts · by Andrew Strick, mobile RV technician

OEM exploded parts diagrams for the Suburban Nt Series NT34L RV furnace: 5 assemblies (Exploded View › Blower Assembly, Exploded View › Cabinet Assembly, Replacement, Exploded View › Combustion Chamber, Exploded View › Burner Assembly) and 87 manufacturer part numbers. 20 parts are marked as superseded — the description gives the replacement number to order instead.

The rating plate is on the furnace chassis — slide the unit's front panel off or look just inside the exterior access door. Suburban models (SF-30F, NT-34SP …) changed burners and boards over the years, so the serial number's date range matters as much as the model.

Exploded View › Blower Assembly

Components

20 items

1. #ROOM AIR BLOWER WHEEL (LARGE) MFR # 350076S
2. #HOUSING, ROOM AIR MFR # 390178
3. #Furnace Low Air Flow Switch; For Suburban Furnace NT-30/ NT-34/ NT-30M/ NT-34M/ NT-30S/ NT-34S/ NT-30SP/ NT-34SP/ NT-25/ NT-30/ NT-35/ NT-35K/ P-30S/ SF-20/ SF-25/ SF-30/ SF-35/ SF-20F/ SF-25F/ SF-30F/ SF-35F; Also Use New Number 233356 MFR # 230509 Superseded: see description
4. #Furnace Low Air Flow Switch; For Suburban Furnace NT-40 MFR # 233355
5. #Furnace Low Air Flow Switch; For Suburban Furnace NT-30/ NT-34/ NT-30M/ NT-34M/ NT-30S/ NT-34S/ NT-30SP/ NT-34SP/ NT-25/ NT-30/ NT-35/ NT-35K/ P-30S/ SF-20/ SF-25/ SF-30/ SF-35/ SF-20F/ SF-25F/ SF-30F/ SF-35F; Also Use New Number 525024 MFR # 233356 Superseded: see description
6. #Furnace Low Air Flow Switch; For Suburban Furnace Models NT-30/ NT-34/ NT-30M/ NT-34M/ NT-30S/ NT-34S/ NT-30SP/ NT-34SP/ NT-25/ NT-30/ NT-35/ NT-35K/ P-30S/ SF-20/ SF-25/ SF-30/ SF-35/ SF-20F/ SF-25F/ SF-30F/ SF-35F MFR # 230509MC
7. #Furnace Low Air Flow Switch; For Suburban Furnace NT-40; Also Use New Number 233355 MFR # 232279 Superseded: see description
8. #Furnace Motor Bracket; For Suburban NT-40 MFR # 62138
9. #BRACKET,MOTOR USE 62138 MFR # 62196 Superseded: see description
10. #TUBE,CROSSOVER USE 50751 MFR # 50439 Superseded: see description
11. #Furnace Motor; For Suburban Furnace NT-34M/ NT-34S/ NT-34SP/ NT-40S/ NT-42S/ NT-42T MFR # 231208
12. #Furnace Motor; For Suburban Furnace Models NT-34M/ NT-34S/ NT-34SP/ NT-40S/ NT-42S/ NT-42T; Also Use New Number 521138MC MFR # 231208MC Superseded: see description
13. #KIT MOTOR/MTG BRKTS MFR # 521138
14. #MOTOR, BLOWER (169) 231208 MFR # PE2787Q
15. #Furnace Gasket; Motor Mount Gasket; Fits Suburban Furnace NT-40 MFR # 70384
16. #APPLIANCE COMPONENTS RV; Suburban Comb Air Housing MFR # 390179
17. #WHEEL COMB AIR - obsolete MFR # 350077
18. #Furnace Gasket; Furnace Combustion Air Housing Gasket; Fits Suburban Furnace NT-24/ NT-30/ NT-34H/ NT-HA/ NT-34S/ NT-30SP/ NT-34HS/ NT-30MA/ NT-34L/ NT-34MM/ P-30S/ P-40S/ NT-42S/ NT-42ST MFR # 70386
19. #COMBUSTION AIR HOUSING ASSEMBLY, RIGHT SIDE MFR # 390173S
20. #SUBURBAN CROSSOVER TUBE G MFR # 070385

Exploded View › Cabinet Assembly

Components

23 items

1. #90 ° ELL (3/8" BLACK IRON) MFR # 170082S
2. #GAS INLET PIPE ASSEMBLY MFR # 170566
3. #COVER PLATE, GAS INLET MFR # 62143
4. #VALVE KIT USE 160911 & 170545 MFR # 520423 Superseded: see description
5. #VALVE,GAS MFR # 160911
6. #VALVE USE 520423 MFR # 160762 Superseded: see description
7. #Propane Adapter Fitting; Fits Suburban Part Numbers 171171/ 171172/ 171325/ 171326/ 171334/ 171406/ 171407/ 171443/ 171444/ 171445/ 211497/ 520423 MFR # 170545
8. #FITTING, REDUCER (IF EQUIPPED) MFR # 160545
9. #Furnace Gasket; Furnace Manifold Gasket; Fits Suburban Furnace NT-24SP/ NT-30SP/ NT-34SP/ NT-40/ P-30S/ P-40/ P-40B MFR # 70408
10. #ORIFICE,MAIN #51 RESIDENTIAL MODEL MFR # 180178
11. #MANIFOLD ASM MFR # 170567
12. #PIN,AIR SHUTTER KNURLED MFR # 120764
13. #SPRING MFR # 150026
14. #Furnace Burner Orifice; For Suburban Furnace NT-30M/ NT-30S/ NT-30SP/ SF-30/ SF-30F/ P-30S/ NT-30K MFR # 180214
15. #Furnace Burner Orifice; Number 54 Orifice; For Suburban Furnace NT-20T/ NT-23M/ NT-24BW/ NT-24HA/ NT-24HS/ NT-24M/ NT-24MD/ NT-24MP/ NT-24MPD/ NT-24S/ NT-24SP/ NT-25K/ NT-30BW/ NT-30H/ NT-30HA/ NT-30HS/ NT-30MA/ NT-30MD/ NT-34H/ NT-34HS/ NT-34L/ NT-34MM/ NT-34MMD/ NT-34S/ NT-45M/ NT-45S/ P-45M/ P-45S MFR # 180215
16. #Washer; For Suburban Stove/ Furnace NT-30M/ NT-24M/ NT-24MA/ NT-30H/ NT-30M/ NT-34H/ NT-34L/ NT-34LD/ SDN2BK/ SDN2H/ SDN2SS/ SDN2WH/ SDN3BK/ SDN3SS/ SDN3WH MFR # 120759
17. #SHUTTER,AIR BURNER MFR # 10582
18. #POWER CONTROL MODULE MFR # 10609
19. #BURNER ONLY USE 10609 MFR # 10581 Superseded: see description
20. #SCREW,#10 24 X 3/8 MFR # 121226
21. #ROD,AIR ADJUSTMENT MFR # 140146
22. #PIN,ROLL STEEL MFR # 121250
23. #VALVE,SHUTOFF MFR # 160740

Replacement

Components

1 item

1. #Furnace Core; NT Series; LP Gas; Model Number NT-34SP; 34,000 BTU; Direct Discharge; 7.5 Amp Draw; 12 Inch Width x 12-1/2 Inch Height x 23 Inch Depth; 10.3 Pounds; With Energy-Saving Electronic Ignition; With Gasket-Sealed Vent Assembly MFR # NT34SPN

Exploded View › Combustion Chamber

Components

43 items

1. #COVER,AIR ADJ HOLE MFR # 290119
2. #Igniter Electrode; For Suburban Furnace NT-24M/ NT-30M/ NT-34M; Without Gasket MFR # 520733
3. #ELECTRODE ASM USE 230590 MFR # 230495 Superseded: see description
4. #ELECTRODE USE 230590 MFR # 230480 Superseded: see description
5. #APPLIANCE COMPONENTS RV; Electrode MFR # 230590
6. #Igniter Electrode; For Suburban Furnace Models NT-24M/ NT-30M/ NT-34M; Without Gasket MFR # 520733MC
7. #Furnace Gasket; Furnace Burner Access Door Gasket And Electrode Gasket; Fits Suburban Furnace NT-12/ NT-16/ NT-20/ NT-12S/ NT-16S/ NT-20S/ NT-12SP/ NT-16SP/ NT-20SP/ NT-24/ NT-30/ NT-34/ NT-24M/ NT-30M/ NT-34M/ NT-24S/ NT-30S/ NT-34S/ NT-24SP/ NT-30SP/ NT-34SP/ NT-40/ P-30/ P-40; Also Use New Number 525011 MFR # 71076 Superseded: see description
8. #GASKET, PILOT BURNER USE 71076 MFR # 70163 Superseded: see description
9. #DOOR,COMBUSTION CHAMBER MFR # 30451
10. #Furnace Access Door Sight Glass; Replacement For Suburban Furnace NT-Series/ P-45M/ P-45S MFR # 310026
11. #APPLIANCE COMPONENTS RV; Cover Plate MFR # 290120
12. #GASKET,BURNER USE 71076 MFR # 70398 Superseded: see description
13. #CHAMBER,COMBUSTION W/RA DIATION SHIELD MFR # 20786
14. #Furnace Limit Switch; For Suburban Furnace P-30S/ NT-34SP/ NT-24/ NT-30/ NT-34/ NT-24M/ NT-30M/ NT-34M/ NT-24S/ NT-30S/ NT-34S MFR # 230496
15. #Furnace Limit Switch; For Suburban Furnace Models P-30S/ NT-34SP/ NT-24/ NT-30/ NT-34/ NT-24M/ NT-30M/ NT-34M/ NT-24S/ NT-30S/ NT-34S MFR # 230496MC
16. #Furnace Limit Switch; For Suburban Furnace NT-30SP/ NT-34SP/ NT-24/ NT-30/ NT-34/ NT-24M/ NT-30M/ NT-34M/ NT-24S/ NT-30S/ NT-34S/ P-30S; Also Use New Number 525020 MFR # 231244 Superseded: see description
17. #SWITCH,LIMIT MFR # 232578
18. #PLATE AND COVER ASSEMBLY (SLIDE OUT FEATURE) MFR # 90214
19. #Furnace Wiring Harness; For Suburban Furnace DD17DSI/ NT-Series MFR # 232161
20. #Ignition Control Circuit Board Cover; Replacement For Dinosaurs Universal Igniter Boards; Large; White; Fire Retardant ABS Plastic MFR # LCVR
21. #ignition Control Circuit Board; For Suburban Furnace SF Series/ NT Series And All Water Heater DSI Series/ SW Series/ VDSI Series; Also Use New Number 521099 For Furnaces Or 520814 For Water Heaters MFR # 520741 Superseded: see description
22. #UIB S WITH POST TOP MFR # UIBSPOST
23. #BOARD,MODULE USE 520741 (05152435103) MFR # 230587 Superseded: see description
24. #UNIVERSAL IGN BRD SMALL MFR # UIBS
25. #UIB WITH FAN CONTROL MFR # FAN50PLUS
26. #ignition Control Circuit Board; Replacement For Suburban 520741 Or 520820 Boards And Fits All Suburban 12 Volt Furnaces; Will Not Replace 24 Volt AC Boards MFR # 521099
27. #COVER FOR UIB S MFR # SMALLCOVER
28. #UIB L WITH POST TOP MFR # UIBLPOST
29. #UNIVERSAL IGN BRD LARGE MFR # UIBL
30. #INSUL MOD BOARD MFR # 70540
31. #INSULATOR,BOARD USE 70540 MFR # 70437 Superseded: see description
32. #PANEL FASTENER MFR # 121423
33. #N/A SHIELD,RADATION MFR # 110353S
34. #CAP,VENT USE 520730 MFR # 260093 Superseded: see description
35. #KIT VENT CAP MFR # 520730
36. #Screw; For Suburban Furnace Exhaust Vent; 8 X 3-1/4; Set Of 2 MFR # 121711
37. #SCREW USE 121711 SHEET METAL #10 X 3 PHILLIPS MFR # 121249 Superseded: see description
38. #Furnace Limit Switch; For Suburban Furnace Models NT-24M/ NT-30M/ NT-34M/ NT-24S/ NT-30S/ NT-34S MFR # 230575MC
39. #Furnace Limit Switch; For Suburban Furnace NT-24M/ NT-30M/ NT-34M/ NT-24S/ NT-30S/ NT-34S (Below Serial Number 1600851) MFR # 230575
40. #WATER FLANGE WHIT PLASTC MFR # 62135
41. #THERMOSTAT RELAY MFR # 230423
42. #ARRESTOR KIT,MOTOR MFR # 230597
43. #INSULATOR, ARRESTOR BOARD MFR # 70441S

Exploded View › Burner Assembly

Components

23 items

1. #GAS INLET PIPE ASSEMBLY MFR # 170566
2. #90 ° ELL (3/8" BLACK IRON) MFR # 170082S
3. #VALVE KIT USE 160911 & 170545 MFR # 520423 Superseded: see description
4. #COVER PLATE, GAS INLET MFR # 62143
5. #Propane Adapter Fitting; Fits Suburban Part Numbers 171171/ 171172/ 171325/ 171326/ 171334/ 171406/ 171407/ 171443/ 171444/ 171445/ 211497/ 520423 MFR # 170545
6. #VALVE USE 520423 MFR # 160762 Superseded: see description
7. #VALVE,GAS MFR # 160911
8. #FITTING, REDUCER (IF EQUIPPED) MFR # 160545
9. #Furnace Gasket; Furnace Manifold Gasket; Fits Suburban Furnace NT-24SP/ NT-30SP/ NT-34SP/ NT-40/ P-30S/ P-40/ P-40B MFR # 70408
10. #ORIFICE,MAIN #51 RESIDENTIAL MODEL MFR # 180178
11. #MANIFOLD ASM MFR # 170567
12. #PIN,AIR SHUTTER KNURLED MFR # 120764
13. #SPRING MFR # 150026
14. #Furnace Burner Orifice; Number 54 Orifice; For Suburban Furnace NT-20T/ NT-23M/ NT-24BW/ NT-24HA/ NT-24HS/ NT-24M/ NT-24MD/ NT-24MP/ NT-24MPD/ NT-24S/ NT-24SP/ NT-25K/ NT-30BW/ NT-30H/ NT-30HA/ NT-30HS/ NT-30MA/ NT-30MD/ NT-34H/ NT-34HS/ NT-34L/ NT-34MM/ NT-34MMD/ NT-34S/ NT-45M/ NT-45S/ P-45M/ P-45S MFR # 180215
15. #Furnace Burner Orifice; For Suburban Furnace NT-30M/ NT-30S/ NT-30SP/ SF-30/ SF-30F/ P-30S/ NT-30K MFR # 180214
16. #Washer; For Suburban Stove/ Furnace NT-30M/ NT-24M/ NT-24MA/ NT-30H/ NT-30M/ NT-34H/ NT-34L/ NT-34LD/ SDN2BK/ SDN2H/ SDN2SS/ SDN2WH/ SDN3BK/ SDN3SS/ SDN3WH MFR # 120759
17. #SHUTTER,AIR BURNER MFR # 10582
18. #POWER CONTROL MODULE MFR # 10609
19. #BURNER ONLY USE 10609 MFR # 10581 Superseded: see description
20. #SCREW,#10 24 X 3/8 MFR # 121226
21. #ROD,AIR ADJUSTMENT MFR # 140146
22. #PIN,ROLL STEEL MFR # 121250
23. #VALVE,SHUTOFF MFR # 160740