Use these NT16SQ model drawings to identify the housing, air-moving, ignition and burner components. Match every diagram reference with the manufacturer number below its view.
Links appear only where the manufacturer number matches a current NewRVParts listing without a conflicting model. Parts without a confirmed match remain as plain-text references.
1. Cabinet, intake and exhaust fittings

| Reference | Manufacturer part number | Quantity | Component details |
|---|---|---|---|
| 1 | 161154 | 1 | THERMOSTAT, WALL (WHITE) |
| 1 | 161210 | 1 | THERMOSTAT, WALL (BLACK) |
| 4 | 101886 | 1 | FRONT, CABINET |
| 5 | 101885 | 1 | CABINET |
| 6 | 50715 | 2 | DUCT COLLAR, 4 IN. |
| 7 | 70569 | 1 | BUSHING SNAP |
| 8 | 50906 | 1 | SUBURBAN INTAKE TUBE 3 IN |
| 8 | 50712 | 1 | TUBE, INTAKE 5IN LONG (STANDARD) |
| 8 | 521077 | 1 | TUBE ASSEMBLY, INTAKE 7-1/4 |
| 9 | 260580 | 1 | VENT CAP & EXHAUST TUBE ASSEMBLY,6 IN. |
2. Switches, blower and combustion-air parts

| Reference | Manufacturer part number | Quantity | Component details |
|---|---|---|---|
| 11 | 62476 | 1 | BRACKET, MICRO SW MOUNTING |
| 11 | 121247 | 1 | SCREW, 2-56 X 5/8 HEX |
| 12 | 233100 | 1 | MICRO SWITCH ASM USE 525028 |
| 12 | 233352 | 1 | MICRO SWITCH |
| 12 | 525028 | 1 | SERVICE KIT, SAIL SWITCH |
| 13 | 121951 | 2 | NUT #2-56 |
| 14 | 21201BK | 1 | COMBUSTION CHAMBER |
| 16 | 70362 | 1 | BUSHING, SNAP |
| 18 | 233021 | 1 | LIMIT SWITCH |
| 21 | 230714 | 1 | SPLICER |
| 23 | 70270 | 1 | BUSHING, SNAP 1/2 IN. |
| 26 | 521099 | 1 | IGNITION CONTROL MODULE |
| 29 | 62392 | 1 | BRACKET, COMBUSTION AIR HOUSING MOUNTING |
| 31 | 70450 | 1 | GASKET, BURNER TUNNEL |
| 36 | 391059 | 1 | HOUSING COMBUSTION AIR (REAR) |
| 38 | 350208 | 1 | WHEEL, COMBURSTION AIR |
| 41 | 391058 | 1 | HOUSING COMBUSTION AIR (FRONT) |
| 42 | 121928 | 10 | SCREW 6-19 X 1/2 PH PH |
| 44 | 521067 | 1 | MOTOR |
| 45 | 350207 | 1 | IMPELLER, ROOM AIR |
| 46 | 63447 | 1 | BRACKET, COMBUSTION AIR HOUSING MOUNTING |
| 56 | 63262 | 1 | BRACKET, SWITCH MOUNTING |
| 57 | 232351 | 1 | ON/OFF SWITCH |
| NS | 2611A | 1 | FURNACE CORE REPLACEMENT RP-16NQ |
3. Burner, gas valve and ignition components

| Reference | Manufacturer part number | Quantity | Component details |
|---|---|---|---|
| 49 | 231931 | 1 | ELECTRODE (SINGLE PROBE) |
| 49 | 525033 | 1 | SERVICE KIT, ELECTRODE |
| 50 | 70163 | 1 | GASKET, ELECTRODE USE 071076 |
| 50 | 71076 | 1 | BURNER/ELECTRODE GASKET SET USE 72103 |
| 50 | 72103 | 1 | GASKET KIT, BURNER /ELECTRODE |
| 50 | 525011 | 1 | SERVICE KIT, GASKETS BURNER / ELECTRODE |
| 54 | 10978 | 1 | BURNER ASM. W/ACCESS DOOR |
| 55 | 70398 | 1 | GASKET, BURNER ACCESS DOOR USE 071076 |
| 59 | 170374 | 1 | GAS FITTING, 90° ELBOW |
| 59 | 525025 | 1 | SERVICE KIT, FITTING BRASS 3/8 90 DEG ELBOW |
| 63 | 171730 | 1 | PIPE, GAS INLET |
| 64 | 161123 | 1 | GAS VALVE 3/8 X 1/8 |
| 67 | 170746 | 1 | MANIFOLD ASSY |
| 69 | 180224 | 1 | BURNER ORIFICE NT-16 S/SE |
| 70 | 70449 | 1 | GASKET, MANIFOLD PIPE |
Replacement parts shown in the diagrams
These products have matching manufacturer part numbers in the reference tables above. Confirm the furnace model, serial range and product details before ordering; check each listing for current availability.

Ref 1 · MPN 161154
Suburban 161154 White Heat-Only Mechanical RV Furnace Thermostat
View product and availability
Ref 1 · MPN 161210
Suburban 161210 Black Heat-Only Mechanical RV Furnace Thermostat
View product and availability
Ref 26 · MPN 521099
Suburban 521099 12V Furnace Fan-Control Ignition Module
View product and availability
Ref 36 · MPN 391059
Suburban 391059 Rear Furnace Combustion Air Housing NT16SEQ, NT16SQ, NT20SEQ & NT20SQ
View product and availability
Ref 57 · MPN 232351
Suburban 232351 Furnace On/Off Switch | Select SF, SH & NT
View product and availability
Ref 49 · MPN 525033
Suburban 525033 NT-Series Furnace Single-Probe Igniter
View product and availability
Ref 50 · MPN 525011
Suburban 525011 Furnace Burner & Electrode Gasket Kit | NT/P
View product and availability
Ref 64 · MPN 161123
Suburban 161123 12V Gas Valve | Selected NT/VT Furnaces
View product and availability