
744759080240 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $69.00 | Condition is New, SUPCO TRADEFOX TFXJK FUSED MULTI JUMPER WITHE SELECTOR SWITCHES, FREE SHIPPING | 99.4% |
![]() | $74.99 | Condition is New, Supco Tradefox TFXJK Jumper King Multi-Jumper with Selectors (Untested), FREE SHIPPING | 98.3% |
![]() | $77.47 | Condition is New, Supco Tradefox TFXJK Jumper King Bypass Low Voltage Thermostat, FREE SHIPPING | ![]() |
![]() | $78.74 | Condition is New, Supco TFXJK Jumper King Fused Multi Jumper HVAC Thermostat Tool, FREE SHIPPING | 99.5% |
![]() | $81.49 | Condition is New, Supco Tradefox Jumper King Bypass Low Voltage Thermostat to Activate the Circuit, FREE SHIPPING | ![]() |
![]() | $79.97 | Condition is New, Supco Tradefox TFXJK Jumper King Multi-Jumper with Selectors- Includes Hard Case, shipping cost = $9.99 | 99.4% |
![]() | $89.97 | Condition is New, Supco Tradefox TFXJK Jumper King Multi-Jumper with Selectors- Includes Hard Case, FREE SHIPPING | 99.4% |
![]() | $89.97 | Top Pick! Condition is New, Supco Tradefox Jumper King Bypass Low Voltage Thermostat to Activate The Circuit, FREE SHIPPING | 99.4% |
![]() | $89.97 | Top Pick! Condition is New, Supco Tradefox Jumper King Bypass Low Voltage Thermostat to Activate The Circuit, FREE SHIPPING | 99.4% |
![]() | $76.48 | Condition is New, SUPCO TFXJK FUSED MULTI JUMPER W SELECTOR, shipping cost = $16.45 | 99.9% |
![]() | $93.54 | Condition is New, Supco Tradefox Jumper King Bypass Low Voltage Thermostat to Activate The Circuit, FREE SHIPPING | 99.2% |
![]() | $92.67 | Condition is New, 1 pc Supco Tradefox TFXJK Jumper King Multi-Jumper with Selectors, shipping cost = $5.00 | 99.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $79.99 | Condition is New – Open box, Supco Tradefox Jumper King model TFXJK, orange and black with case, never used!, shipping cost = $5.58 | 0.0% |
![]() | $125.90 | Top Pick! Condition is New – Open box, Supco Tradefox TFXJK Jumper King Milti-Jumper W/selector , FREE SHIPPING | 100.0% |

The Supco 744759080240 TradeFox Jumper King Bypass Voltage Thermostat Activate Circuit is a versatile and reliable solution for those seeking to bypass the voltage requirement for activating their thermostats. This thermostat bypass is specifically designed for use with Supco brand thermostats, allowing for easy and efficient temperature control in various HVAC applications.
This bypass voltage thermostat activate circuit features a jumper design that simplifies installation and eliminates the need for complex wiring. The thermostat can be activated directly with voltage from the power source, bypassing the need for the thermostat itself to sense the temperature. This can be particularly useful in situations where the thermostat is malfunctioning or in instances where a quick temperature change is required.
The Supco 744759080240 TradeFox Jumper King Bypass Voltage Thermostat Activate Circuit is designed to handle a wide range of voltages, making it a versatile option for use in various HVAC systems. The circuit can handle voltages ranging from 110V to 277V AC, ensuring compatibility with a broad array of heating and cooling systems.
Constructed from high-quality materials, this thermostat bypass is built to withstand the rigors of HVAC applications. The circuit is designed to be resistant to moisture and other environmental factors, ensuring reliable operation even in harsh conditions. The compact size of the bypass also allows for easy installation and integration into existing HVAC systems.
In summary, the Supco 744759080240 TradeFox Jumper King Bypass Voltage Thermostat Activate Circuit is a valuable tool for HVAC professionals and DIY enthusiasts seeking to bypass the voltage requirement for activating their thermostats. With its jumper design, wide voltage range, and rugged construction, this bypass voltage thermostat activate circuit offers a convenient and efficient solution for temperature control in various heating and cooling applications.
The Supco 744759080240 Tradefox Jumper King bypass voltage thermostat is a heating component used to bypass the thermostat's voltage requirement for direct electrical heating. Here are some pros and cons that may help you decide whether to purchase it:
Pros:1. Direct Heating: This thermostat allows for direct electrical heating, bypassing the need for a thermostat to control the heating element. This can be useful in situations where the thermostat is not functioning correctly or where quick heating is required.
2. Easy Installation: The Jumper King design of the thermostat makes it easy to install, as it does not require any wiring or complex connections. Simply jumper the two terminals to bypass the thermostat.
3. Cost-Effective: Compared to replacing the entire heating system or thermostat, the Supco 744759080240 Tradefox Jumper King thermostat is a cost-effective solution for bypassing a faulty thermostat.
4. Versatile: This thermostat is compatible with various heating systems, including baseboard heaters, hydronic heating systems, and electric water heaters.
Cons:1. Safety Concerns: Bypassing the thermostat completely removes the safety feature that prevents the heating element from overheating, which could potentially lead to fires or other safety hazards.
2. Lack of Temperature Control: Without a thermostat, there is no temperature control, meaning the heating element will remain on constantly, which can lead to increased energy consumption and higher utility bills.
3. Risk of Damage: Continuous operation of the heating element without a thermostat can also lead to premature wear and tear, potentially shortening the lifespan of the heating system.
Conclusion:The Supco 744759080240 Tradefox Jumper King bypass voltage thermostat can be a useful tool in certain situations where a thermostat is not functioning correctly or where quick heating is required. However, it is essential to consider the potential safety concerns and lack of temperature control. If you decide to use this thermostat, ensure that you use it judiciously and only when necessary. It is always recommended to consult a professional heating technician before making any modifications to your heating system.
Recommendation:If you are experiencing issues with your heating system's thermostat, it is best to consult a professional heating technician to diagnose and repair the issue. They can help determine whether bypassing the thermostat is the best solution or if there is a more significant underlying problem that needs to be addressed. In most cases, repairing or replacing the faulty thermostat is a safer and more cost-effective solution than bypassing it entirely.
Details:
6-alligator clips, 6-magnetic tips, 6-jumper leads, 6-self piercing insulation tips. Works on multiple stage units including heat pumps. Eliminates compressor short cycling and start the system safely when your ready to it. 2-spade adapters, jumper king thermostat bypass tool, hard carrying case.
Equipped with magnets and fold-out hook for hands free work. Works on multi stage units including heat pumps. For use on low voltage circuits only 0-30vac/CDC. Innovative circuit selector switches to activate leads/circuits of your choosing at any time.
Supco tradefox jumper king multi with selector one hookup allows you to safely bypass any low voltage thermostat and activate the leads/circuit of your choice. Re settable popper fuse - will never short out.
specifications maxohvac:
- brand: Supco
- mpn: Tfxjk
- part type: Jumper Thermostat
- power source: Low Voltage
- color: Orange
- upper temperature rating: 1.5e 2 Degrees Fahrenheit
- item weight: 0.78 Kilograms
- package dimensions: 8.62 X 4.84 X 3.9 Inches; 1.72 Pounds
- upc: 744759080240
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
shipping maxohvac:
- type: fixed
- transit: 5-11 days
- service: standard
- class: standard
offer maxohvac:
- in stock #: 5
- availability: in stock
- prices: $69.00–$125.90
- item condition:
- New
- New – Open box
- options: ship-to-home
- sold #: 22
- started: june 15, 2025
payments maxohvac:
- other
- wallet: paypal
- credit card: visa
returns maxohvac:
- policy: returns accepted
- paid by: seller
- time: 30 days
- method: money back
seller maxohvac:
- rating: 95.2%
- city: denver, colorado
- # reviews: 57
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