Orifice yellow
1
This aprilaire 4231 humidifier orifice (yellow) is used in many aprilaire humidifiers including the following aprilaire humidifier models: aprilaire 400 humidifier, aprilaire 400a humidifier, aprilaire 400m humidifier, aprilaire 500 humidifier, aprilaire
4231, 7580, GA4231, APR4231, 01/04/4231, 851385, APRIL4231, GA4231-O
Aprilaire: 550 560 550A 558 560A 568 600 400
International Comfort Products - Tempstar: HMICSB12A
Aprilaire: 500
General: 570
General: GEN 1000 1000xm 900xm
Aprilaire: 400M
General: 570A 570M 900M 1000A 1000M 900A 507X
Aprilaire: 558A
This part may fit other models. Please contact us if you require additional assistance.
| Ref. | Image | Part No & Description | Price | |
|---|---|---|---|---|
 | APR550 - Complete Unit Going Nla D Ship From Lars Quantity: 1 View Part Info | Not Available More information |
| Ref. | Image | Part No & Description | Price | |
|---|---|---|---|---|
| 15A |  | APR56 - Humidistat For Autotrac Has Outdoor Temp Quantity: 1 View Part Info | $178.28 | |
| 18 |  | apr4305 - Gasket Automatic Humidifier Control View Part Info | $7.80 |
| Ref. | Image | Part No & Description | Price | |
|---|---|---|---|---|
| 7 |  | apr4222 - Cover With Latch And Label View Part Info | Not Available More information | |
| 17 |  | apr4225 - Cover Latch Spring View Part Info | $13.98 |
| Ref. | Image | Part No & Description | Price | |
|---|---|---|---|---|
 | a10wr - Wicking Style Filter 709, Paper Material Quantity: 1 View Part Info | $9.71 | ||
| 1 |  | a10 - Aprilaire #10 Pad Hard Wick Quantity: 1 View Part Info | $16.43 |
| Ref. | Image | Part No & Description | Price | |
|---|---|---|---|---|
| APR4598 - Ionizer Frame Assembly Quantity: 1 View Part Info | $173.45 |
| Ref. | Image | Part No & Description | Price | |
|---|---|---|---|---|
 | A01-0814-148 - Water Valve 24 Volt, See Ext Info Quantity: 1 View Part Info | Not Available More information | ||
 | apr4229 - Saddle Valve Adapter View Part Info | $65.29 | ||
| 8 |  | apr4223 - Sold Each...drain Spud For Aprilaire Quantity: 1 View Part Info | $6.42 | |
| 9 |  | apr4040 - Water Valve. ** Read External Info** View Part Info | $66.78 | |
| 10 |  | apr4004 - In Line Strainer Quantity: 1 View Part Info | $3.99 | |
| 11 |  | APR4001 - Saddle Valve For Aprilaire View Part Info | $9.99 | |
| 12 |  | APR4231 - Orifice Yellow Quantity: 1 View Part Info | $2.66 | |
| 16 |  | apr4184 - Nozzle For Aprilaire View Part Info | $13.44 |
| Ref. | Image | Part No & Description | Price | |
|---|---|---|---|---|
 | GA50 - Relay Current Sensing Quantity: 1 View Part Info | $35.99 | ||
 | APR51 - Current Sensing Relay Quantity: 1 View Part Info | $47.73 | ||
 | apr4280 - Shock Arrestor View Part Info | $129.20 | ||
 | apr4039 - Plate Humidstat View Part Info | $13.50 | ||
| APR4526 - Aprilaire 550 Duct Panel View Part Info | $52.99 | |||
| 2 |  | APR4793 - Maintance Kit-see Desc For What Is Incl View Part Info | $94.08 | |
| 4 | APR4219 - Base 550 View Part Info | $75.21 | ||
| 9 |  | APR4040OEM - Water Solenoid Vavle ( Oem ) View Part Info | $126.44 | |
| 15B |  | APR4655 - Manual Humidistat View Part Info | $79.54 |
| Ref. | Image | Part No & Description | Price | |
|---|---|---|---|---|
| 5 | APR4220 - End Panel Model 550 View Part Info | $57.12 | ||
| 6 | APR4221 - Duct Panel View Part Info | $70.76 |
| Ref. | Image | Part No & Description | Price | |
|---|---|---|---|---|
 | apr8052 - Outdoor Temperature Sensor View Part Info | $20.80 |
| Ref. | Image | Part No & Description | Price | |
|---|---|---|---|---|
| 14 |  | apr4010 - Transformer For Aprilaire Quantity: 1 View Part Info | $42.54 |
| Ref. | Image | Part No & Description | Price | |
|---|---|---|---|---|
| 9 |  | 35548801 - Drain Hose 10 Foot View Part Info | $9.99 | |
| 13 |  | apr4226 - Feed Tube With Compression View Part Info | $14.68 |
| Ref. | Image | Part No & Description | Price | |
|---|---|---|---|---|
 | AC-912 - Pan Tabets ( 6 Pack) View Part Info | $13.65 | ||
 | 246 - Humidifier Treatment View Part Info | $15.65 | ||
 | T812 - Cutting Board 8 X12 Inch View Part Info | $4.99 |
| Ref. | Image | Part No & Description | Price | |
|---|---|---|---|---|
 | FSRM6 - Humidafresh Rainforest Mist Water Treatm Quantity: 1 View Part Info | $11.03 | ||
 | FSCA6 - Humidafresh Cinnamon Apple Water Treatme Quantity: 1 View Part Info | $11.15 | ||
 | FSFV6 - Humidafresh Vanilla Water Treatment Quantity: 1 View Part Info | $5.13 | ||
 | AC802 - Humidifier Bacteriostatic Water Treatmen Quantity: 1 View Part Info | $11.28 | ||
 | 1T-6 - Humdf Water Treatment32 Oz Quantity: 1 View Part Info | $11.80 | ||
 | AC816 - Extra Strength Humidifier Cleaner Quantity: 1 View Part Info | $5.78 | ||
 | FSOB6 - Humidafresh Ocean Breeze Quantity: 1 View Part Info | $5.13 | ||
 | 3US-6 - Water Treatment Cleaner View Part Info | $11.22 |
| Ref. | Image | Part No & Description | Price | |
|---|---|---|---|---|
 | 21581001 - Screw Clamp, 5 1/4 - 6 3/4 Quantity: 1 View Part Info | $1.99 |
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