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AMERICAN VOLT AV-1139-1 Electric Engine Fan Grounding Thread Thermostat Relay Controller Switch

Av-1139-1 American Volt Electric Engine Fan Grounding Thread-in Thermostat Relay Controller Switch Ki

( Brand: American Volt ), ( Manufacturer Part Number: AV-1139-1 ), ( Size: 1/8 Npt ), ( Color: 200f On 185f Off )

Review AMERICAN VOLT Electric Engine Fan Grounding Thread in Thermostat Relay Controller Switch Ki

The American Volt AV-1139-1 is a thread-in thermostat relay controller switch designed for use with electric engine fans. This reliable and efficient switch allows for precise temperature control of your engine cooling system.

The AV-1139-1 is constructed with high-quality materials, ensuring durability and longevity. The thermostat switch is threaded for easy installation and can be mounted directly to the engine or radiator. The switch has a grounding thread on the side, making it simple to connect to the grounding point of your cooling system.

The AV-1139-1 operates as a relay controller, meaning it can handle the electrical load of the electric engine fan. The switch will automatically turn on the fan when the engine temperature reaches the desired threshold, ensuring optimal cooling performance. When the engine temperature drops below the threshold, the fan will automatically shut off, conserving energy and reducing unnecessary wear on the fan motor.

The AV-1139-1 is a versatile switch, suitable for use in a wide range of applications, including cars, trucks, and industrial equipment. It is designed to withstand the rigors of automotive use, including exposure to extreme temperatures and vibration.

The switch features a clear and easy-to-read temperature gauge, allowing you to quickly and accurately monitor the temperature of your cooling system. The gauge is calibrated in degrees Fahrenheit or Celsius, depending on your preference.

The AV-1139-1 is a crucial component of any cooling system, ensuring reliable and efficient engine cooling. It is easy to install, operate, and maintain, making it an excellent choice for DIY enthusiasts and professional technicians alike. With its robust design and precise temperature control, the American Volt AV-1139-1 is the ideal solution for all your electric engine fan thermostat needs.

Pros and Cons of Buying an American Volt AV-1139-1 Electric Engine Fan Grounding Thread-in Thermostat Relay Controller Switch

The American Volt AV-1139-1 is a thread-in thermostat relay controller switch designed for grounding electric engine fans. This device is essential for ensuring the proper functioning of your vehicle's cooling system. In this analysis, we will discuss the pros and cons of purchasing a American Volt AV-1139-1 switch.

Pros:

1. Compatibility: This switch is compatible with various makes and models, including Ford, Lincoln, Mercury, and Mazda. It can be used in both 135 F and 167 F thermostat applications.

2. Durable Construction: The switch is made of high-quality materials, ensuring it can withstand the harsh conditions of a vehicle's engine bay.

3. Easy Installation: The thread-in design allows for easy installation without the need for additional wiring or connector adapters.

4. Cost-Effective: This switch is an affordable solution for addressing issues with electric engine fan operation.

Cons:

1. Limited Application: Although the switch is compatible with a wide range of vehicles, it may not be the best fit for every application. It is essential to verify that it is compatible with your specific vehicle model and cooling system configuration.

2. No Diagnostic Features: This switch does not come with any diagnostic features or capabilities, which may make it more challenging to troubleshoot complex issues.

3. Potential for Incorrect Installation: Due to the ease of installation, there is a risk of incorrect wiring or installation, which could lead to malfunctions or even damage to the vehicle's cooling system.

Conclusion:

The American Volt AV-1139-1 electric engine fan grounding thread-in thermostat relay controller switch is an economical and practical solution for addressing issues with electric engine fan operation in a wide range of vehicles. Its durable construction, easy installation, and compatibility with various makes and models make it an attractive option for many vehicle owners. However, it is important to verify compatibility and ensure proper installation to avoid potential issues.

Recommendation:

If you are experiencing issues with your vehicle's electric engine fan and believe that the American Volt AV-1139-1 switch may be the solution, we recommend checking its compatibility with your specific vehicle model and cooling system configuration before making a purchase. Additionally, ensure that you follow the installation instructions carefully to avoid any potential complications.

Details:

Installation instructions included. Manufacturer: American Volt. Brand: American Volt. Universal electric fan thermostat switch kit.

Maximum Switching Current: 40 Amps. Activates by grounding electric fan at preset turn-on temperature. Probe typically threads into radiator, water outlet or manifold. Coil voltage : 12 volts .

Various thread-in brass probe sizes. Brand Name: American Volt. Probe sizes thread into radiator, block, water outlet, manifold etc. Activates by grounding electrician at preset temperature.

Operation Mode: Automatic. Contact Current Rating: 40 Amps. Accurately measures all water, oil and coolant temperatures. Various turn-on and turn-off temperatures.

part #: av11391 price

  • $59.98

specifications thermoditto:

  • brand: American Volt
  • mpn: Av-1139-1
  • size: 1/8 Npt
  • color: 200f On 185f Off

offer thermoditto:

  • availability: In Stock
  • started: June 2, 2026
  • options: Ship-to-home
  • quantity: 1
  • sold: 0

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general thermoditto:

  • Heating, Cooling Air > Thermostats > Programmable Thermostats
  • condition: New
size: 1/8 npt,
category: home & garden > heating, cooling air > thermostats > programmable thermostats, color: 200f on 185f off, sku: 8421763793073722,

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