
83L7501-83L75 Comparison
| photo | price | summary | rating |
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![]() | $34.95 | Condition is New, OEM Lennox Armstrong Ducane Furnace Limit Switch L145-45F Replaces 83L7501 83L75, FREE SHIPPING | ![]() |

The Lennox Armstrong Air Conditioning L83L7501 83L75 Furnace Limit Switch L145-45F is a crucial component of your home heating system designed to ensure safe and efficient operation. This limit switch is engineered specifically for use with Lennox brand furnaces, and more specifically, models with serial number ranges that include "83L75."
The switch is manufactured to Lennox's rigorous standards, using premium quality materials and robust construction for long-lasting performance. This particular model, L145-45F, is designed for a 240V application, making it suitable for numerous furnace configurations.
The Lennoc L145-45F limit switch operates by monitoring the temperature within your furnace and controlling the gas valve. By ensuring the flame sensitivity is within a safe and efficient range, this component plays a vital role in maintaining consistent heat output while preventing issues such as overheating.
This limit switch features an easy-to-replace design, allowing you to simply unscrew the wires from the old switch and connect them to the new one. This makes installation a straightforward process, saving you both time and effort.
Importantly, the Lennox Armstrong L83L7501 83L75 Furnace Limit Switch L145-45F comes backed by Lennox's commitment to customer satisfaction. This genuine OEM replacement part has undergone stringent testing to meet the highest quality standards, giving you peace of mind that it will perform effectively and reliably.
Additionally, using an authentic Lennox replacement part like the L145-45F provides enhanced system compatibility and ensures your manufacturer's warranty remains in place. This specific limit switch is an essential investment for both the continued functionality and the extended life of your Lennox furnace.
Lennox Armstrong Ducane 83L7501 83L75 Furnace L145-45F Limit Switch: A Comprehensive Analysis
Introduction:The Lennox Armstrong Ducane 83L7501 83L75 furnace is a high-performance heating system designed for residential applications. However, its limit switch, part number L145-45F, is a frequently replaced component. In this analysis, we will discuss the potential pros and cons of purchasing this limit switch.
Pros:1. Durability and Reliability: Lennox, as a renowned HVAC manufacturing company, boasts a reputation for producing durable and reliable heating components like the 83L7501 limit switch. It is explicitly designed for their specific furnace model, ensuring optimal performance.
2. Enhanced Safety: The L145-45F limit switch is essential for the safety of the furnace, preventing overheating and other potential hazards. A replacement part can offer peace of mind by keeping your system functioning safely.
3. OEM (Original Equipment Manufacturer) Part: By purchasing the OEM limit switch, users can maintain the original design and functionality of their Lennox Armstrong Ducane 83L7501/83L75 furnace, ensuring compatibility without the need for additional modifications.
Cons:1. Cost: OEM parts, like the L145-45F limit switch, can be more expensive compared to aftermarket equivalents, which may deter some consumers from buying them due to the initial investment.
2. Limited Availability: Depending on your location and dealer availability, finding and obtaining this part may take longer, causing potential delays in your furnace's repairs or maintenance.
Conclusion:The Lennox Armstrong Ducane 83L7501 83L75 furnace limit switch L145-45F offers several advantages, including durability, reliability, enhanced safety, and original equipment fit. However, they can be more costly and less broadly available compared to aftermarket alternatives.
Recommendation:When making a decision to purchase the Lennox Armstrong Ducane 83L7501 83L75 furnace L145-45F limit switch, consider the importance of original equipment compatibility, reliable performance, safety enhancements, and the long-term cost savings when balancing the possible investment against the benefits it offers. Please consult with your heating professional or qualified technician for their recommendation based on your specific circumstances.
Details:
Replaces old part #s: 83L7501 83l75. Limits have a set point, which is in some cases, adjustable. Function: a limit switch is a safety device designed to shut down piece of equipment. Repair difficulty level: partial list of units that use this item.
The set point prevents the temperature or pressure from exceeding rating of switch.
specifications centrafurn:
- brand: Fits Lennox Armstrong Ducane
- mpn: 83l7501
- model: Fits 83l7501 83l75
- type: Furnace Limit Switch L145-45f
payments centrafurn:
- other
- credit card: visa
- wallet: paypal
general centrafurn:
- category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces
shipping centrafurn:
- service: usps ground advantage, usps priority mail, fedex 2day, ups next day air saver
- carrier: usps, fedex, ups
- type: calculated
- transit: 5-12 days
- class: standard, expedited, one-day
seller centrafurn:
- rating: 98.7%
- # reviews: 149679
- city: louisville, kentucky
returns centrafurn:
- time: 30 days
- method: money back
- paid by: seller
- policy: returns accepted
offer centrafurn:
- started: december 25, 2024
- availability: in stock
- price: $34.95
- item condition: New
- sold #: 29
- options: ship-to-home
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- 87153-65218100: , Lennox Ducane Armstrong Allied
- P-8-965-57703: , Lennox
- -900-8: FURNACE SENSOR, Onetrip Parts
- 97H0301: FAN TIMER, Heat Craft Lennox Ducane Armstrong
- SLP98DF110XV60C: FURNACE, Lennox
- 5KCP39HGF971S: FURNACE BLOWER MOTOR, Ge
- 97L48-97L4801-17W92: CONTROL BOARD, Fits Lennox Armstrong Ducane
- 69W50-69W5001-102703-02: BLOWER WHEEL, Fits Lennox Armstrong Ducane

