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Cozy Heaters 74307 Limit Switch L160-10F

Rating:
5 5 9
9  Reviews Add Your Review
Special Price $35.59 Regular Price $46.26
In stock
SKU
74307
The Cozy Heaters 74307 Limit Switch is also referred to as the L160-10F type. Cozy brand furnaces require it because it is vital for temperature adjustments and safety within the equipment. This switch may be used in temperatures between 10°F and 160°F. When the furnace is functioning normally, the switch is closed meaning the vehicle’s mechanism can continue to run the furnace. However, the switch will open automatically to break the electrical circuit and thus avoid overheating. This safety system guards the furnace against possible harm and assures that the furnace runs properly. It is safe to use with normal house current because it operates on 120VAC voltage.
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Heater, Limit Switches
Manufacturer:
https://www.partshnc.com/media/catalog/product/7/4/74307_cozy-heaters_partshnc.jpg

Specifications

  • Temperature Range: 10°F to 160°F
  • Type: Limit Switch
  • Switch Type: SPST
  • Voltage: 120 VAC
  • Weight: 0.04 Lbs
Provides temperature-limit control within heating equipment by responding to temperature conditions at the monitored location. The Cozy Heaters 74307 Limit Switch L160-10F uses temperature-responsive switching to support the heater control circuit when the designated temperature threshold is reached. Its switching action allows the heating system to respond to changing temperature conditions during operation.

Temperature Switching:
Temperature-sensitive switching allows the component to change its electrical state in response to conditions at the monitored temperature point. This action establishes a defined point for the heating control circuit to respond to a temperature condition. The switch remains part of the control circuit while operating conditions stay within the intended range. When the applicable threshold is reached, its switching state changes to allow the connected controls to respond.

Heater Circuit Interaction:
Within the heater, the limit switch operates as part of the electrical control sequence associated with temperature protection. Its switching state can influence the connected control circuit when the monitored condition reaches the designated limit. This interaction allows the heating cycle to respond to an excessive temperature condition through the equipment's existing controls. The component therefore supports temperature-based control during heater operation.

Replacement Guidelines:
Consider replacing the limit switch when it no longer provides the expected temperature-responsive switching required by the heater. The Cozy Heaters 74307 Limit Switch L160-10F should be selected when the applicable equipment documentation specifies this component for the exact heater model.

Common Signs of Wear:

  • Failure to switch at the designated temperature condition.
  • Unexpected interruption of heater operation.
  • Inconsistent switching during heating operation.
  • Failure to respond properly to changing temperature conditions.

Equipment Compatibility:
Cozy Heaters 74307 Limit Switch L160-10F is intended for equipment where part number designations are specified. Verify the exact heater model against the applicable parts information before selecting this component.

Technical Specifications:
Brand: Cozy Heaters
Part Number: 74307
Component Type: Limit Switch
Designation: L160-10F

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Product Questions (10)
Customer Questions
Can I install a limit switch myself, or should I hire a professional for installation and maintenance?

While some homeowners may have the expertise to install a limit switch, it's generally recommended to have it installed and maintained by a qualified HVAC technician to ensure proper functioning and safety.

What should I do if the limit switch keeps tripping frequently?

Frequent tripping of the limit switch can be a sign of an underlying issue, such as a blocked air vent or malfunctioning components. Contact an HVAC professional to diagnose and resolve the problem.

What happens if the limit switch opens during furnace operation?

When the limit switch opens, it interrupts power to the heating system, causing the furnace to shut down. This is a safety measure to prevent further heating until the issue causing the overheating is resolved.

What maintenance is required for the Cozy Heaters 74307 Limit Switch?

Inspect the limit switch regularly for proper temperature response and secure wiring connections. Ensure terminals are clean and free from corrosion or loose contacts to maintain safe operation. Replace the switch if it fails to trip at the correct temperature to prevent overheating risks.

What are common issues with the Cozy Heaters 74307 Limit Switch?

  • Failure to open or close at set temperatures.
  • Burnt or damaged contacts.
  • Intermittent or erratic switching.
  • Loose or corroded wiring connections affecting performance.

What is the Cozy Heaters 74307 L160-10F Limit Switch used for?

This limit switch provides temperature-responsive switching within the heater’s control circuit, allowing the system to respond when the monitored temperature reaches the designated limit.

Which Cozy Heaters equipment uses this L160-10F Limit Switch?

The component is associated with Cozy Heaters equipment, and the exact heater model should be verified against the applicable equipment parts information.

What does the L160-10F designation indicate on this limit switch?

The L160-10F designation identifies the specified version of the limit switch, with the L160 marking corresponding to a 160°F temperature limit.

How does a heater limit switch respond to a temperature condition?

The switch changes its electrical state when the monitored temperature reaches its designated limit, allowing the heater control circuit to respond to the temperature condition.

What signs can indicate that a heater limit switch needs attention?

Unexpected interruptions during heater operation or a lack of expected response to the monitored temperature condition can indicate that the limit switch may require evaluation.

Installation Steps

Step1: Turn off power to the heater at the breaker and unplug the unit for safety.

Step2: Open the heater’s access panel to expose the internal components.

Step3: Locate the old limit switch and label the wires before disconnecting.

Step4: Remove the old switch and install the new limit switch in the same mounting position.

Step5: Reconnect the labeled wires to the corresponding terminals securely.

Step6: Replace the access panel, restore power, and test heater operation to ensure proper safety cutoff.

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