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Rheem-Ruud AP19299 Thermistor

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15  Reviews Add Your Review
Special Price $19.31 Regular Price $25.10
In stock
SKU
AP19299
The Rheem-Ruud AP19299 Thermistor is an accurate temperature measuring device designed mainly for Heat Pumps. This thermistor measures change in temperature and converts it to electrical resistance which is then read by the control system of the heat pump to determine the required action. Due to its compact design it is easy to implement and integrate it to all kinds of HVAC systems. The AP19299 guarantees accurate temperature control to enable efficient functioning of the heat pump without unnecessary breakdowns. This in turn assists in eliminating system faults and even enhances the Duration of the equipment via offering correct temperature. This thermistor is much vital in the regulation of the rate of heating and cooling so as to protect energy wastage, enhance comfort in both the residential and commercial facilities.
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HVAC Controls & Electrical, Control & Sensing Devices
Manufacturer:
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Specifications

  • Type: Thermister
  • Application: Temperature Sensor for Heat Pumps
  • Weight: 0.05lbs
Within the heating equipment, the thermistor responds to thermal changes at its designated sensing location and provides an electrical representation of the monitored condition. The Rheem-Ruud AP19299 Thermistor uses temperature-dependent resistance to allow the associated control system to recognize changes in the monitored environment and incorporate them into equipment operation. It is used in HVAC systems, where electronic temperature monitoring is required. Designed to change its electrical resistance as temperature changes, allowing the connected control system to read the variation and use it for temperature-related equipment control.

Temperature Sensing:
Temperature changes cause the thermistor’s electrical resistance to vary according to the thermal condition at its sensing location. This response provides a measurable electrical characteristic that corresponds with the surrounding temperature. The sensing element continuously reacts to thermal changes, giving the associated equipment a consistent method of detecting temperature variation during normal operation.

Integration:
Within the equipment, the thermistor is incorporated into the designated sensing circuit through its electrical connection. Its placement allows the component to function alongside the equipment’s existing temperature-monitoring hardware without requiring a separate control arrangement. This connection establishes the physical and electrical relationship needed for the sensing component to operate as part of the overall system.

Replacement Guidelines:
Replacement requires matching the Rheem-Ruud AP19299 Thermistor characteristics, sensing requirements, connection arrangement, equipment configuration, and applicable temperature-monitoring specifications. The replacement should also suit the existing control circuit and operating conditions of the associated equipment.

Common Failure Symptoms:

  • Inaccurate temperature readings from the thermistor.
  • Erratic temperature sensing within the control system.
  • Incorrect temperature feedback to the heater controls.
  • Intermittent temperature detection during operation.
  • Unstable temperature readings from the sensing circuit.

Equipment Compatibility:
The Rheem-Ruud AP19299 Thermistor is intended to integrate with Rheem-Ruud equipment requiring the corresponding thermistor configuration. Verify the equipment model, sensing arrangement, electrical connections, and manufacturer’s documentation before purchasing.

Technical Specifications:
Brand: Rheem-Ruud
Part Number: AP19299
Product Type: Thermistor

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Product Questions (7)
Customer Questions
What maintenance is required for the Rheem-Ruud AP19299 Thermistor?

Inspect the thermistor wiring and connector for secure attachment and corrosion to ensure accurate temperature readings. Keep the sensor clean and free from debris or moisture that could affect performance. Replace it if readings become inconsistent or the heating system shows error codes, and always disconnect power before servicing.

What are common issues with the Rheem-Ruud AP19299 Thermistor?

  • Inaccurate temperature readings.
  • Loose or corroded connections.
  • Intermittent or failed sensor operation.
  • Physical damage to the thermistor.

How does AP19299 provide temperature information to the equipment controls?

It produces a temperature-dependent electrical response that travels through the connected sensing circuit and provides temperature-related information to the equipment's electronic controls.

Why does a thermistor respond electrically when temperature changes?

A thermistor uses temperature-dependent resistance, so changes in thermal conditions produce corresponding changes in its electrical response.

Where is a thermistor positioned within heating equipment?

It is located at a designated sensing point where the surrounding thermal condition can be measured and communicated to the associated control system.

How does a thermistor's resistance change support temperature sensing?

As the surrounding temperature changes, the sensing material undergoes a corresponding resistance change that can be recognized by the control circuit.

How can I confirm the AP19299 Thermistor before purchasing?

Match the part number AP19299 and Thermistor designation with the existing component and applicable heating-equipment information.

Installation Steps

Step1: Turn off power to the unit and shut off the gas or electrical supply if applicable.

Step2: Remove the access panel and locate the faulty thermistor on the heat exchanger or water line.

Step3: Disconnect the wiring connector and remove the old thermistor carefully.

Step4: Install the new thermistor in the same position and secure it properly.

Step5: Reconnect wiring, replace the panel, restore power, and verify normal system operation.