Aprilaire:
400m
This part may fit other models. Please contact us if you require additional assistance.
Complete unit, 400m manual bypass hum
Complete unit, 400m manual bypass humidifier, 4000 sq ft . for automatic unit use arp400a
APR400M, 400M
| Ref. | Image | Part No & Description | Price | |
|---|---|---|---|---|
 | APR400M - Complete Unit, 400m Manual Bypass Hum View Part Info | $347.12 | In stock |
| Ref. | Image | Part No & Description | Price | |
|---|---|---|---|---|
| 7 |  | apr45 - Wick/filter For Aprilaire Aftermarket Quantity: 2 View Part Info | $34.84 | Out of Stock |
| Ref. | Image | Part No & Description | Price | |
|---|---|---|---|---|
| 6 |  | apr4407 - Water Distribution Tray View Part Info | $33.38 | Out of Stock |
| Ref. | Image | Part No & Description | Price | |
|---|---|---|---|---|
 | apr4004 - In Line Strainer Quantity: 1 View Part Info | $3.99 | In stock | |
 | APR4231 - Orifice Yellow Quantity: 1 View Part Info | $2.66 | In stock | |
 | apr4040 - Water Valve. ** Read External Info** View Part Info | $66.78 | In stock | |
| 8 |  | apr4403 - Scale Control Insert/float Chamber View Part Info | $19.99 | In stock |
| 10 | apr4405 - Float Cover View Part Info | $15.12 | Special order | |
| 11 |  | APR4406 - Float Assembly Model 400 View Part Info | $23.86 | In stock |
| Ref. | Image | Part No & Description | Price | |
|---|---|---|---|---|
 | APR4040OEM - Water Solenoid Vavle ( Oem ) View Part Info | $126.44 | In stock | |
| 1 |  | APR4728 - Cover For Aprilaire View Part Info | $146.94 | In stock |
| 3 |  | APR4332 - Damper Assembly View Part Info | $50.14 | Out of Stock |
| 12 |  | APR4410 - Water Level Sensor View Part Info | $57.02 | Out of Stock |
| Ref. | Image | Part No & Description | Price | |
|---|---|---|---|---|
| 2 |  | apr4335 - Feed Tube With Compression Sleeve View Part Info | $15.96 | In stock |
| 9 | DRAINTUBE - 1/2\ I.d. Drain Tubing. ." Quantity: 1 View Part Info | $0.00 | More Info Special order |
| Ref. | Image | Part No & Description | Price | |
|---|---|---|---|---|
 | AC-912 - Pan Tabets ( 6 Pack) View Part Info | $13.65 | In stock | |
 | 246 - Humidifier Treatment View Part Info | $15.65 | In stock | |
 | T812 - Cutting Board 8 X12 Inch View Part Info | $4.99 | In stock |
| Ref. | Image | Part No & Description | Price | |
|---|---|---|---|---|
 | FSRM6 - Humidafresh Rainforest Mist Water Treatm Quantity: 1 View Part Info | $11.03 | In stock | |
 | FSCA6 - Humidafresh Cinnamon Apple Water Treatme Quantity: 1 View Part Info | $11.15 | In stock | |
 | FSFV6 - Humidafresh Vanilla Water Treatment Quantity: 1 View Part Info | $5.13 | In stock | |
 | AC802 - Humidifier Bacteriostatic Water Treatmen Quantity: 1 View Part Info | $11.28 | In stock | |
 | 1T-6 - Humdf Water Treatment32 Oz Quantity: 1 View Part Info | $11.80 | In stock | |
 | AC816 - Extra Strength Humidifier Cleaner Quantity: 1 View Part Info | $11.22 | In stock | |
 | FSOB6 - Humidafresh Ocean Breeze Quantity: 1 View Part Info | $5.13 | In stock | |
 | 3US-6 - Water Treatment Cleaner View Part Info | $11.22 | In stock |
| Ref. | Image | Part No & Description | Price | |
|---|---|---|---|---|
 | 21581001 - Worm Gear Clamp, 5 5/8 - 6 1/2 Quantity: 1 View Part Info | $1.99 | In stock |
4.7
