1. Air Conditioning & Heating - Commercial Truck Parts For Sale.
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  3. MACK 2790-HV25117

MACK 2790-HV25117 Resistor Switch Heater

fits make: Mack.

2790-hv25117 Mack New Oem Resistor Switch For Heater

( Manufacturer Part Number: 2790-HV25117 ), ( Type: Resistor ), ( Bin: A27g ), ( Country Of Origin: United States )

Review MACK New Oem Resistor Switch Heater

Introducing the Mack 2790-HV25117 Resistor Switch, an essential component designed for heater systems in various applications. This heavy-duty resistor switch is meticulously engineered to provide reliable and efficient performance, ensuring optimal heating system functionality.

The Mack 2790-HV25117 Resistor Switch is a 2-position, 2-pole design, meaning it can switch between two input sources while maintaining two separate output circuits. It is specifically designed for heavy-duty commercial and industrial heating applications. The switch features a robust, high-voltage construction, capable of handling up to 250 volts of alternating current (AC) and 125 volts of direct current (DC).

The Mack 2790-HV25117 Resistor Switch is designed with a high-quality, thermally-protected heating element. This element ensures that the switch maintains a consistent resistance value, even when subjected to heavy usage or extreme temperatures. The switch is further protected by an overcurrent protection mechanism, which automatically disconnects the power supply if the current flowing through the switch exceeds the rated value, preventing potential damage to the system.

The Mack 2790-HV25117 Resistor Switch is built with a rugged, industrial-grade design, featuring heavy-duty terminals and a compact, weather-resistant housing. It is designed to withstand the rigors of heavy-duty commercial and industrial environments, ensuring long-lasting performance and reliability.

The Mack 2790-HV25117 Resistor Switch is easy to install and requires minimal wiring, making it an ideal choice for a wide range of heating applications. It is compatible with a variety of heating systems, including hydronic, electric, and hot water heating systems. The switch comes with clear and concise installation instructions, ensuring a quick and hassle-free installation process.

In summary, the Mack 2790-HV25117 Resistor Switch is a heavy-duty, reliable, and versatile component designed for heating systems in commercial and industrial applications. Its robust construction, overcurrent protection, and thermally-protected heating element make it a durable and efficient choice for ensuring optimal heating system performance.

Pros and Cons of Buying a Mack 2790-HV25117 Resistor Switch for Heater

The Mack 2790-HV25117 resistor switch is a popular choice for heating systems due to its durability and functionality. However, like any other electrical component, it has its advantages and disadvantages. In this analysis, we will discuss the pros and cons of purchasing this resistor switch.

Pros:

1. Durable Construction: This resistor switch is built to withstand harsh environments, making it an ideal choice for industrial and commercial heating systems. Its heavy-duty design ensures long-lasting performance.

2. Wide Temperature Range: The Mack 2790-HV25117 resistor switch can operate in temperatures ranging from -40 F to 150 F (-40 C to 65 C), making it suitable for various heating applications.

3. Adjustable Resistance: This resistor switch allows for resistance adjustment, enabling users to fine-tune their heating system's output.

4. Easy Installation: The Mack 2790-HV25117 resistor switch comes with clear markings and a simple design, making it easy to install and replace.

Cons:

1. Cost: Compared to other resistor switches, the Mack 2790-HV25117 model may be more expensive due to its heavy-duty construction and wide temperature range.

2. Limited Compatibility: This resistor switch may not be compatible with all heating systems, so it is essential to check its specifications before making a purchase.

3. Manual Resistance Adjustment: While the adjustable resistance feature is beneficial, it may require manual adjustments, which could be time-consuming for some users.

Conclusion:

The Mack 2790-HV25117 resistor switch offers several advantages, including durability, wide temperature range, adjustable resistance, and easy installation. However, its high cost and limited compatibility are significant drawbacks. If you require a heavy-duty resistor switch for a specific heating application, this model is worth considering, despite its higher price point.

Recommendation:

For users looking for a cost-effective resistor switch for their heating system, alternative options with similar specifications but lower costs may be worth exploring. However, if durability, wide temperature range, and adjustable resistance are essential features, the Mack 2790-HV25117 resistor switch remains a top choice. Always ensure that the resistor switch is compatible with your heating system before making a purchase.

Details:

I do not guarantee any used bearings that may be on them. Alto of my parts are new old stock and have been shelved for some time moved around several times so they show scratches, dust, many missing the original box, but will always be described correctly, I take best pictures can.

part #: 2790hv25117 price

  • $10.50

specifications aiconditioni:

  • for makes: Mack
  • mpn: 2790-hv25117
  • type: Resistor
  • bin: A27g
  • country of origin: United States

general aiconditioni:

  • condition: New other see details
  • Commercial Truck Parts > Air Conditioning Heating > Other Air Conditioning Heating

seller aiconditioni:

  • rating: 100.0%
  • # reviews: 1480
  • city: Pikeville, Kentucky

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offer aiconditioni:

  • quantity: 2
  • availability: In Stock
  • started: June 10, 2026
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  • options: Ship-to-home

shipping aiconditioni:

  • transit: 2-6 Days
  • carrier: USPS
  • cost: $9.75
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for makes: mack, type: resistor, bin: a27g, country of origin: united states,
category: auto parts > commercial truck parts > air conditioning heating, sku: 11378090343968632,
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