Facebook Pixel
Sign-Up Bonus
Get 500 Reward Points instantly when you join.
Redeem Instantly
50 points = $1 off at checkout.
Earn as You Shop
$1 spent = 1 point every time you order.
Member Perks
Unlock exclusive member-only savings and offers.

Register and Earn 500 Reward Points
Toggle Nav
Search
Toggle Nav
Join Our Loyalty Program
main product photo

Cozy Heaters 70110 Fan Switch F120-15F

Rating:
5 5 2
2  Reviews Add Your Review
Special Price $30.97 Regular Price $40.26
In stock
SKU
70110
The Cozy Heaters 70110 F120-15F Fan Switch is a tiny that is installed in HVAC devices to control fan activity. It works like a normally closed switch in that it is in the closed position and allows current to pass through a circuit. When closed, the switch breaks the circuit. This switch usually operates in combination with a temperature control system and activates the fan whenever the temperature goes below a certain low level, which here is 15° F, the fan stops working as the temperature goes higher than the set point, which is up to 120 F. Through temperature control of fan operation, the Cozy Heaters Fan Switch ensures proper circulation of air and general enhancement of the HVAC system.
Add to Wish List
Motors & Capacitors, Motors & Components
Manufacturer:
https://www.partshnc.com/media/catalog/product/7/0/70110.jpg

Specifications

  • Temperature: 120°F-15°F
  • Weight: 0.04lbs
  • Type: Fan Switch
  • Switch Type: Normally closed (NC)

Heating appliances may use temperature-responsive switches to control when a connected blower circuit changes state. The Cozy Heaters 70110 is a fan switch intended to provide temperature-based electrical switching within its specified application. Its function is to respond to temperature conditions and control the electrical continuity of the connected fan circuit.

Temperature-Responsive Switching:
A temperature-responsive fan switch changes its electrical contact state in response to temperature. The F120-15F designation is associated with the supplied 15°F to 120°F temperature range; the precise switching points and operating sequence should be confirmed before publication.

Normally Closed Fan Circuit Control:
The supplied specifications identify the switch as normally closed (NC). In its normal state, an NC switch maintains electrical continuity; when its contacts change state, that continuity is interrupted. The resulting fan-circuit behavior depends on the switch's temperature response and the connected circuit design.

Replacement Guidelines:
Replacement may be appropriate when the fan switch develops a confirmed fault or no longer responds reliably to the required temperature conditions. Before ordering, compare the existing part number and verified switch characteristics with the requirements of the intended application.

Common Signs of Wear:

  • Fan fails to operate when the required temperature condition is reached
  • Fan continues operating when it should stop
  • Fan operation becomes intermittent
  • Fan cycling becomes inconsistent
  • Visible damage or deterioration is present on the switch

Equipment Compatibility:
The Cozy Heaters 70110 is identified as an F120-15F fan switch with a normally closed configuration, and the supplied product information associates it with applicable Cozy heating applications. Verify the original part number, switching characteristics, and intended heating-appliance model before selecting a replacement, as specific compatible models have not been independently confirmed.

Technical Specifications:
Product Identification:
Brand: Cozy Heaters
Part Number: 70110
Product Type: Fan Switch

Environmental:
Temperature Range: 15°F to 120°F

Reviews 2
Write Your Own Review
You're reviewing:Cozy Heaters 70110 Fan Switch F120-15F
Your Rating
Product Questions (7)
Customer Questions
What maintenance is required for the Cozy Heaters 70110 Fan Switch?

Regularly inspect the fan switch for dust, debris, and signs of wear. Ensure connections are tight and free of corrosion. Test the switch periodically for proper operation and follow safety precautions when handling electrical components.

What are common issues with the Cozy Heaters 70110 Fan Switch?

  • Switch failing to turn the fan on or off.
  • Intermittent or inconsistent fan operation.
  • Loose or damaged wiring connections.
  • Burnt or melted contacts.

What is the purpose of the Cozy Heaters 70110 Fan Switch?

The switch is intended to control the connected fan circuit in response to temperature changes within the heating appliance.

How does a temperature-responsive fan switch control a circuit?

It responds to temperature changes by changing the state of its electrical contacts. This changes the continuity of the connected circuit according to the switch's design.

What does the normally closed (NC) configuration mean?

Normally closed means the contacts maintain electrical continuity in the switch's normal state. The circuit is interrupted when the contacts change to the open state.

Does the F120-15F designation establish the exact fan switching temperatures?

The supplied information associates the designation with a 15°F to 120°F range, but it does not independently establish the precise cut-in and cut-out temperatures or switching sequence. Confirm those details against verified product specifications before selecting a replacement.

How can the correct replacement fan switch be identified?

Compare the original part number, contact configuration, temperature-switching requirements, and intended equipment application. A switch with a similar temperature range may not be suitable if its contact behavior or switching characteristics differ.

Installation Steps

Step1: Turn off power and unplug the unit before starting.

Step2: Remove the old fan switch carefully.

Step3: Align the new fan switch in place.

Step4: Reconnect wires to the correct terminals.

Step5: Secure the switch using mounting screws or clips.

Step6: Restore power and test the fan to ensure it operates correctly.