Aprilaire 4410 Sensor Assembly
The Aprilaire 4410 Sensor Assembly is a critical genuine OEM replacement part designed specifically for the Aprilaire Model 400, 400A, and 400M humidifier series. This Water Level Sensor Assembly operates using two high-precision magnetic reed switches wired in series to monitor the positioning of internal floats. When the water level in the sump drops, the floats descend, closing the switches and triggering the water solenoid valve to replenish the reservoir. As a key component of the Aprilaire 400 series water control system, it ensures your whole-house humidifier maintains optimal evaporative capacity without manual intervention. By accurately detecting the water line at the bottom of the scale control insert, this assembly prevents overflow while ensuring the water panel remains sufficiently saturated for efficient indoor air quality management. Integrating this 24 VAC component restores the automated water-saving functionality essential for peak seasonal performance.
Key Benefits- Precise Water Control: Utilizes dual magnetic reed switches to automate the filling process, preventing reservoir depletion and optimizing humidity output.
- OEM Compatibility: Specifically engineered as a direct fit for Aprilaire Model 400, 400A, and 400M units, ensuring seamless integration with the existing scale control insert.
- Water-Saving Efficiency: Helps maintain the unique water-wicking operation of the 400 series, reducing waste by only activating the solenoid when necessary.
- Reliable Operation: Durable construction designed to withstand mineral-heavy environments within the humidifier sump.
How do I know if my water level sensor is failing?
If your humidifier is not receiving water or if the solenoid valve remains open and causes an overflow, the sensor assembly or the floats may be stuck or magnetically compromised. Regular cleaning of the float chamber is recommended to prevent mineral buildup from interfering with the switches.
Does this part include the floats?
No, the Aprilaire 4410 is the sensor assembly containing the electrical reed switches. The plastic floats are typically sold separately or as part of a complete maintenance kit.
Can I use this on a Model 500 or 600?
No, this sensor is exclusive to the 400 series units which use a specialized water-wicking reservoir system. Models 500 and 600 utilize a flow-through design that does not require a water level sensor assembly.
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: $36.05
-65%$36.05
$12.62Aprilaire 4410 Sensor Assembly
The Aprilaire 4410 Sensor Assembly is a critical genuine OEM replacement part designed specifically for the Aprilaire Model 400, 400A, and 400M humidifier series. This Water Level Sensor Assembly operates using two high-precision magnetic reed switches wired in series to monitor the positioning of internal floats. When the water level in the sump drops, the floats descend, closing the switches and triggering the water solenoid valve to replenish the reservoir. As a key component of the Aprilaire 400 series water control system, it ensures your whole-house humidifier maintains optimal evaporative capacity without manual intervention. By accurately detecting the water line at the bottom of the scale control insert, this assembly prevents overflow while ensuring the water panel remains sufficiently saturated for efficient indoor air quality management. Integrating this 24 VAC component restores the automated water-saving functionality essential for peak seasonal performance.
Key Benefits- Precise Water Control: Utilizes dual magnetic reed switches to automate the filling process, preventing reservoir depletion and optimizing humidity output.
- OEM Compatibility: Specifically engineered as a direct fit for Aprilaire Model 400, 400A, and 400M units, ensuring seamless integration with the existing scale control insert.
- Water-Saving Efficiency: Helps maintain the unique water-wicking operation of the 400 series, reducing waste by only activating the solenoid when necessary.
- Reliable Operation: Durable construction designed to withstand mineral-heavy environments within the humidifier sump.
How do I know if my water level sensor is failing?
If your humidifier is not receiving water or if the solenoid valve remains open and causes an overflow, the sensor assembly or the floats may be stuck or magnetically compromised. Regular cleaning of the float chamber is recommended to prevent mineral buildup from interfering with the switches.
Does this part include the floats?
No, the Aprilaire 4410 is the sensor assembly containing the electrical reed switches. The plastic floats are typically sold separately or as part of a complete maintenance kit.
Can I use this on a Model 500 or 600?
No, this sensor is exclusive to the 400 series units which use a specialized water-wicking reservoir system. Models 500 and 600 utilize a flow-through design that does not require a water level sensor assembly.
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 4410 Sensor Assembly is a critical genuine OEM replacement part designed specifically for the Aprilaire Model 400, 400A, and 400M humidifier series. This Water Level Sensor Assembly operates using two high-precision magnetic reed switches wired in series to monitor the positioning of internal floats. When the water level in the sump drops, the floats descend, closing the switches and triggering the water solenoid valve to replenish the reservoir. As a key component of the Aprilaire 400 series water control system, it ensures your whole-house humidifier maintains optimal evaporative capacity without manual intervention. By accurately detecting the water line at the bottom of the scale control insert, this assembly prevents overflow while ensuring the water panel remains sufficiently saturated for efficient indoor air quality management. Integrating this 24 VAC component restores the automated water-saving functionality essential for peak seasonal performance.
Key Benefits- Precise Water Control: Utilizes dual magnetic reed switches to automate the filling process, preventing reservoir depletion and optimizing humidity output.
- OEM Compatibility: Specifically engineered as a direct fit for Aprilaire Model 400, 400A, and 400M units, ensuring seamless integration with the existing scale control insert.
- Water-Saving Efficiency: Helps maintain the unique water-wicking operation of the 400 series, reducing waste by only activating the solenoid when necessary.
- Reliable Operation: Durable construction designed to withstand mineral-heavy environments within the humidifier sump.
How do I know if my water level sensor is failing?
If your humidifier is not receiving water or if the solenoid valve remains open and causes an overflow, the sensor assembly or the floats may be stuck or magnetically compromised. Regular cleaning of the float chamber is recommended to prevent mineral buildup from interfering with the switches.
Does this part include the floats?
No, the Aprilaire 4410 is the sensor assembly containing the electrical reed switches. The plastic floats are typically sold separately or as part of a complete maintenance kit.
Can I use this on a Model 500 or 600?
No, this sensor is exclusive to the 400 series units which use a specialized water-wicking reservoir system. Models 500 and 600 utilize a flow-through design that does not require a water level sensor assembly.
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.
