Please be patient while the diagram loads.
We now offer Aprilaire Servicing! Click here for details!
Please call 608-635-2405 for any technical questions.
Click on a part to place secure order.
Aprilaire Model 400 |
|||
| Diagram # |
Name |
Part Number |
Price |
| 1 | Water Panel Evaporator | 45 (2 Pack) | $32.00 |
| 2 | Scale Control Insert | 4403 | $11.49 |
| 3 | Water Distribution Tray | 4407 | $17.49 |
| 4 | Base | 4404 | $99.00 |
| 5 | Cover | 4329 | $69.00 |
| 6 | Water Level Sensor Assembly | 4410 | $23.00 |
| 7 | Water Solenoid Valve (24v) | 4040 | $54.00 |
| 8 | In Line Strainer | 4004 | $3.70 |
| 9 | Saddle Valve | 4001 | $10.69 |
| 10 | Orifice (Yellow) | 4231 | $2.70 |
| 11 | Feed Tube w/ Compression Sleeve | 4335 | $5.70 |
| 12 | Transformer | 4010 | $18.95 |
| 13 | Auto Trac Humidistat | 56 | $79.00 |
| 14 | Automatic Humidifier Control Gasket | 4305 | $7.85 |
| 15 | Damper Assembly | 4332 | $20.00 |
| 16 | Name Plate | 4409 | $9.00 |
|
17 |
Hole Plug | 4408 | $6.00 |
|
18 |
Resistor Case and Manual Label | 4336 | $10.00 |
|
19 |
Float Assembly | 4406 | $11.25 |
|
20 |
Float Cover | 4405 | $11.49 |
| Auto-Trac Sensor and Shield | 4278 | $14.95 | |
| Humidistat Adapter Plate | 4039 | $5.70 | |
| Current Sensing Relay | 50 | $34.00 | |
| Saddle Valve Adapter | 4229 | $35.00 | |
| Shock Arrestor | 4280 | $80.00 | |
and
