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Rheem-Ruud SP20845 Thermistor Kit

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Special Price $59.77 Regular Price $68.73
In stock
SKU
SP20845
The Rheem-Ruud SP20845 Thermistor Kit is a stand part of an HVAC system as it is crucial for the system to operate efficiently.This kit comes with a thermistor and clips as well as cork tape to ensure it fits tightly. A thermistor device is a resistor whose resistance value varies with temperature; it is crucialto the Additionally, temperature regulation in the system. Thermistor assists control board of the HVAC system by providing accurate information in temperature variation. This data helps the system to control heating or cooling as required, this has the effect of providing maximum comfort with the least energy wastage. The SP20845 kit is specifically designed for the gas furnaces, the air conditioners and heat pumps. The Rheem-Ruud SP20845 Thermistor Kit increases the efficiency of the system and its performance, improves energy efficiency of the equipment and prolongs its service life.
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HVAC Controls & Electrical, Control & Sensing Devices
Manufacturer:
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Specifications

  • Applications: HVAC Gas Furnaces/Air Conditioners/Heat Pumps
  • Weight: 0.33lbs
Manufacturer Name: Rheem-Ruud
Product Number: SP20845
OEM Part Number: SP20845
Product Description: Thermistor Kit
Weight:0.33lbs/149.69g

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Product Questions (2)
Customer Questions
What maintenance is required for the Rheem-Ruud SP20845 Thermistor Kit?

Inspect thermistor and wiring for corrosion or loose connections. Verify resistance readings periodically to ensure accurate temperature sensing. Replace if readings drift or response slows, and keep component dry and properly seated.

What are common issues with the Rheem-Ruud SP20845 Thermistor Kit?

  • Open or intermittent thermistor signal causing erratic temperature readings.
  • Resistance drift leading to inaccurate temperature control.
  • Wiring or connector damage causing sensor loss.
  • Moisture ingress affecting sensor stability and output fluctuation.

Installation Steps

Step 1: Turn off power at breaker and verify no voltage for safety before beginning work.

Step 2: Remove access panel carefully to access control board/coil area unit.

Step 3: Locate and disconnect faulty thermistor, noting wire placement.

Step 4: Install new thermistor in same mounting position securely.

Step 5: Reconnect wires firmly and route harness properly.

Step 6: Replace panel, restore power, and test system operation for correct temperature response cycle.