S1-373-19801-821 OEM Combustion Air Booster Assembly 1/50 HP, 115 Volt, 3315 RPM,
S1-373-19801-821 OEM Combustion Air Booster Assembly 1/50 HP, 115 Volt, 3315 RPM,
S1-373-19801-821 OEM Combustion Air Booster Assembly is a genuine Coleman/York draft inducer (combustion air booster) used on many mobile home and manufactured housing furnaces. It draws combustion air into the burner and assists with venting flue gases
Combustion Air Booster 1/50 HP, 115 Volt, 3315 RPM, Coleman Repl.
1 Year Warranty
for Models DGAA, DGAH, DGAX
Replaces
S1-373-19801-821, 37319801821, S1-37319801820, 65475
Technician Notes
- Verify pressure switch tubing is clear before replacing.
- Inspect venting system for restrictions.
- Check inducer wheel for debris buildup or damage.
- Replace gasket when installing new assembly.
- Confirm pressure switch closes properly after installation.
Key Specifications
- Part Number: S1-373-19801-821 (also written S1-37319801821)
- Type: Combustion Air Booster / Draft Inducer Assembly
- Voltage: 115 VAC
- Speed: 3315 RPM (approximately 3300-3315 RPM)
- Motor Size: 1/150 HP (some listings reference 1/50 HP replacement assemblies)
- Frequency: 60 Hz
- Single Speed
- Ball Bearing Motor
- Rotation: CCWSE (Counter Clockwise Shaft End) [mobilehome...direct.com], [hsmhs.com]
Common Replacement Numbers
- 373-19801-821
- 373-19801-820
- S1-37319801820
- 65475
- 350475
Common Furnace Applications
Often found in:
- Coleman DGAA series
- Coleman DGAH series
- Coleman DGAX series
- Some DGPA and DGPH furnaces [hvacpartstore.com], [mobilehome...direct.com]
- High Efficiency Gas Furnaces
- Constructed with Aluminized Steel
- Product Used as Direct OEM Replacement Only
- Includes Pressure Tap
Item Specifications
| Ambient Temp. | 40°C |
|---|---|
| Amps | 0.4 |
| Bearings | Ball |
| Brand | Source 1 |
| Certifications | UL |
| Country of Origin | TAIWAN |
| Enclosure | Open |
| H.P. | 1/150 |
| Hertz | 60 |
| Includes | Mounting Hardware Included |
| Insulation Class | B |
| Material | Metal |
| Motor Type | Shaded Pole |
| Mounting Option | Inline Fit |
| NEMA Frame | C-Frame |
| Overall Length (In.) | 2.36 |
| Overload Protection | Automatic |
| Phase | Single |
| RPM | 3315 |
| Speeds | 1 |
| UPC | 840899111483 |
| Voltage | 115 |
| Coleman | 373-19801-820 |
|---|---|
| Coleman | 373-19801-821 |
| Coleman Evcon | 373-19801-820 |
| Coleman Evcon | 373-19801-821 |
| Source 1 | S1-37319801821 |
