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Lennox 10F73 SPST Contactor 25A 24V

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Special Price $37.56 Regular Price $48.83
In stock
SKU
10F73
The Lennox 10F73 Contactor is an electrical component that is used in HVAC systems and it is an SPST switch. Currently, this contactor has a rating of 25 amps and is designed to work with a voltage of 24 AC it is used to regulate the power supply of various HVAC systems, including air conditioning systems and heat pumps. It operates by switching circuits on or off electrical signals to control the flow of electricity to the compressor or fan motor. The advantages of using the include increased energy efficiency and operational reliability which in turn reduces the frequency of equipment failure and the resultant maintenance expenses and longevity of the equipment.
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HVAC Controls & Electrical, Relays, SPST Relays
Manufacturer:
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Specifications

  • Type: Contactor
  • Switch Type: SPST
  • Current: 25A
  • Voltage: 24V
Manufacturer Name: Lennox
Product Number: 10F73
OEM Part Number: 10F73
Product Description: 24Vcoil Spst 25A Contactor
Weight:0.49lbs/222.26g

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Product Questions (2)
Customer Questions
What maintenance is required for the Lennox 10F73 Contactor?

Regularly inspect the contactor for corrosion, dirt, or loose connections. Clean contacts gently and check coil operation. Proper maintenance ensures accurate switching, prevents overheating, and reduces the risk of electrical failure.

What are common issues with the Lennox 10F73 Contactor?

  • Contacts sticking or pitting.
  • Coil failing to energize.
  • Intermittent switching.
  • Overheating under load.

Installation Steps

Step1: Turn off power to the HVAC system to ensure safety.

Step2: Remove the old contactor, noting terminal connections.

Step3: Mount the new contactor in the same position.

Step4: Reconnect line and load wires to the correct terminals, ensuring secure connections.

Step5: Connect the control wires according to instructions.

Step6: Restore power and test the contactor operation to verify proper switching.