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Lennox 88K38 Discharge Air Sensor

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7  Reviews Add Your Review
Special Price $34.69 Regular Price $45.10
In stock
SKU
88K38
The Lennox 88K38 is a Discharge Air Sensor, an essential component in Lennox HVAC products especially in furnaces and air handlers. This sensor is essential for controlling the operation of the system since it measures the temperature of air coming out of the unit. The sensor sends this temperature information to the furnace or the air handler’s control board. This information is then utilized to fine-tune different parameters of the system, to guarantee its performance is both effective and safe.
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Specifications

  • Length: 0.9 Inch
  • Width: 13.5 Inch
  • Height: 0.9 Inch
  • Weight: 0.52lbs
  • Measure: Unit
  • Mounting Type: Flange Mount.
Manufacturer Name: Lennox
Product Number: 88K38
OEM Part Number: 88K38
Product Description:  The Lennox 88K38 Discharge Air Temperature Sensor is a critical component used in HVAC system, this sensor is designed to measure and monitor the temperature of the air as it exits the HVAC system, commonly referred to as "discharge air temperature." The primary function of this sensor is to accurately sense and measure the temperature of the air leaving the HVAC system, and also to measure the temperature of the air that is being supplied into the conditioned space by the HVAC system. They provide real-time data, allowing the HVAC system to make immediate adjustments to maintain the desired temperature. The temperature data gathered by the sensor is sent to the HVAC system's control board or thermostat, where it is used to regulate the system's heating or cooling processes. If the air temperature deviates from the desired setpoint, the HVAC system can adjust the operation of the heating or cooling elements to maintain optimal comfort. By accurately measuring the discharge air temperature, this sensor contributes to the overall energy efficiency of the HVAC system. It helps prevent the system from overcooling or overheating. The Discharge Air Temperature Sensor ensures that the air supplied to the conditioned space is at the desired temperature.

Weight:0.52lbs/235.87g

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Product Questions (5)
Customer Questions
Can I use this sensor to improve energy efficiency in my home?

Absolutely. By ensuring that your HVAC system only operates as needed and maintains the desired temperature, this sensor can contribute to energy efficiency.

Is it difficult to install a Discharge Air Temperature Sensor in an existing HVAC system?

Installation is typically straightforward and can be done by a qualified HVAC technician. It involves placing the sensor in the appropriate location within the ductwork

Can I adjust the temperature setpoint for the Discharge Air Temperature Sensor to suit my preferences?

In most cases, the setpoint for the sensor is adjusted through the thermostat or HVAC control system. You can customize the temperature to match your comfort preferences using these controls

What maintenance is required for the Lennox 88K38 Discharge Air Sensor?

Regularly inspect the sensor and wiring for dust, corrosion, or loose connections. Clean gently with a soft cloth to maintain accurate readings. Test periodically to ensure proper system operation and prevent false temperature triggers. Always power down the HVAC system before servicing for safety.

What are common issues with the Lennox 88K38 Discharge Air Sensor?

  • Incorrect temperature readings.
  • Intermittent system operation or shutdowns.
  • Loose or damaged wiring connections.
  • Sensor failure causing improper airflow control.

Installation Steps

Step1: Turn off power to the HVAC system to prevent electrical shock.

Step2: Locate and remove the existing discharge air sensor from the duct or coil.

Step3: Disconnect wiring and note positions or take a photo for reference.

Step4: Clean the sensor mounting area to ensure proper contact.

Step5: Install the sensor in the same orientation and secure it in place.

Step6: Reconnect wiring according to the original configuration.

Step7: Restore power and test the system to ensure accurate temperature readings.

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