Aprilaire 4231 Orifice
The Aprilaire 4231 Orifice is a precision-engineered humidifier replacement part designed to maintain optimal water flow within your HVAC system. This yellow orifice is crafted from durable thermoplastic POM (nylon) and acts as a metering component that regulates water distribution to the evaporator pad at a specific rate of 3 gallons per hour (GPH). Using a genuine Aprilaire part ensures that your unit operates with the exact pressure and volume intended by the manufacturer, preventing common issues like over-saturation or inefficient humidification. The Aprilaire 4231 is essential for homeowners looking for a reliable humidifier water flow regulator that supports long-term system health. Whether you are performing annual maintenance or troubleshooting a decrease in moisture output, this small yet critical component is the key to consistent indoor comfort and air quality. Optimized for Aprilaire 400, 500, and 600 series models, it provides the precise calibration required for high-efficiency evaporative humidifiers.
Key Benefits:
- Precise Water Metering: Delivers exactly 3 GPH of water for optimal humidification performance.
- System Compatibility: Designed specifically for use with Aprilaire 400, 400A, 500, 500M, 550, 560, and 600 series humidifiers.
- Durable Nylon Construction: High-quality thermoplastic material resists mineral buildup and erosion.
- Prevents Water Waste: Eliminates excessive drainage by preventing an enlarged flow path.
- Easy Installation: Fits securely into the inlet side of the feed tube for quick replacement.
Common Questions:
How do I know if I need to replace my Aprilaire yellow orifice?
If you notice water leaking into your furnace, an overflowing drain, or a significant drop in humidity levels, the orifice may be clogged or enlarged. It is recommended to replace this part every 1 to 2 years during regular maintenance.
Can I clean the orifice with a needle instead of replacing it?
While it may be tempting to clear a clog with a pin, doing so can easily enlarge the precision-drilled hole, leads to excessive water flow and potential property damage. Replacing the unit is the only way to ensure the correct 3 GPH flow rate.
Which Aprilaire models use the 4231 yellow orifice?
This part is the standard metering component for Aprilaire models 400, 400A, 400M, 500, 500A, 500M, 550, 558, 560, 560A, 568, 600, 600A, and 600M. It is also used in Model 700 units manufactured after June 2019.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $4.17
-65%$4.17
$1.46Aprilaire 4231 Orifice
The Aprilaire 4231 Orifice is a precision-engineered humidifier replacement part designed to maintain optimal water flow within your HVAC system. This yellow orifice is crafted from durable thermoplastic POM (nylon) and acts as a metering component that regulates water distribution to the evaporator pad at a specific rate of 3 gallons per hour (GPH). Using a genuine Aprilaire part ensures that your unit operates with the exact pressure and volume intended by the manufacturer, preventing common issues like over-saturation or inefficient humidification. The Aprilaire 4231 is essential for homeowners looking for a reliable humidifier water flow regulator that supports long-term system health. Whether you are performing annual maintenance or troubleshooting a decrease in moisture output, this small yet critical component is the key to consistent indoor comfort and air quality. Optimized for Aprilaire 400, 500, and 600 series models, it provides the precise calibration required for high-efficiency evaporative humidifiers.
Key Benefits:
- Precise Water Metering: Delivers exactly 3 GPH of water for optimal humidification performance.
- System Compatibility: Designed specifically for use with Aprilaire 400, 400A, 500, 500M, 550, 560, and 600 series humidifiers.
- Durable Nylon Construction: High-quality thermoplastic material resists mineral buildup and erosion.
- Prevents Water Waste: Eliminates excessive drainage by preventing an enlarged flow path.
- Easy Installation: Fits securely into the inlet side of the feed tube for quick replacement.
Common Questions:
How do I know if I need to replace my Aprilaire yellow orifice?
If you notice water leaking into your furnace, an overflowing drain, or a significant drop in humidity levels, the orifice may be clogged or enlarged. It is recommended to replace this part every 1 to 2 years during regular maintenance.
Can I clean the orifice with a needle instead of replacing it?
While it may be tempting to clear a clog with a pin, doing so can easily enlarge the precision-drilled hole, leads to excessive water flow and potential property damage. Replacing the unit is the only way to ensure the correct 3 GPH flow rate.
Which Aprilaire models use the 4231 yellow orifice?
This part is the standard metering component for Aprilaire models 400, 400A, 400M, 500, 500A, 500M, 550, 558, 560, 560A, 568, 600, 600A, and 600M. It is also used in Model 700 units manufactured after June 2019.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
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Description
The Aprilaire 4231 Orifice is a precision-engineered humidifier replacement part designed to maintain optimal water flow within your HVAC system. This yellow orifice is crafted from durable thermoplastic POM (nylon) and acts as a metering component that regulates water distribution to the evaporator pad at a specific rate of 3 gallons per hour (GPH). Using a genuine Aprilaire part ensures that your unit operates with the exact pressure and volume intended by the manufacturer, preventing common issues like over-saturation or inefficient humidification. The Aprilaire 4231 is essential for homeowners looking for a reliable humidifier water flow regulator that supports long-term system health. Whether you are performing annual maintenance or troubleshooting a decrease in moisture output, this small yet critical component is the key to consistent indoor comfort and air quality. Optimized for Aprilaire 400, 500, and 600 series models, it provides the precise calibration required for high-efficiency evaporative humidifiers.
Key Benefits:
- Precise Water Metering: Delivers exactly 3 GPH of water for optimal humidification performance.
- System Compatibility: Designed specifically for use with Aprilaire 400, 400A, 500, 500M, 550, 560, and 600 series humidifiers.
- Durable Nylon Construction: High-quality thermoplastic material resists mineral buildup and erosion.
- Prevents Water Waste: Eliminates excessive drainage by preventing an enlarged flow path.
- Easy Installation: Fits securely into the inlet side of the feed tube for quick replacement.
Common Questions:
How do I know if I need to replace my Aprilaire yellow orifice?
If you notice water leaking into your furnace, an overflowing drain, or a significant drop in humidity levels, the orifice may be clogged or enlarged. It is recommended to replace this part every 1 to 2 years during regular maintenance.
Can I clean the orifice with a needle instead of replacing it?
While it may be tempting to clear a clog with a pin, doing so can easily enlarge the precision-drilled hole, leads to excessive water flow and potential property damage. Replacing the unit is the only way to ensure the correct 3 GPH flow rate.
Which Aprilaire models use the 4231 yellow orifice?
This part is the standard metering component for Aprilaire models 400, 400A, 400M, 500, 500A, 500M, 550, 558, 560, 560A, 568, 600, 600A, and 600M. It is also used in Model 700 units manufactured after June 2019.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
