
78L29 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $24.95 | Condition is New – Open box, Lennox 78L29- Genuine OEM Replacement Part, FREE SHIPPING | 99.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $10.99 | Condition is New, Replacement for Lennox Armstrong Ducane L250F Rollout Limit Switch 78L29 78L2901, FREE SHIPPING | 99.9% |
![]() | $18.99 | Condition is New, Lennox Armstrong Ducane L250F Rollout Limit Switch 78L29 78L2901 47-22861-03, FREE SHIPPING | 99.9% |
![]() | $25.68 | Condition is New, 4PCS L250F 36TX16 Manual Reset Limit Switch Compatible with Lennox 78L29 , FREE SHIPPING | 99.6% |
![]() | $27.19 | Top Pick! Condition is New, Lennox 78L29- Genuine OEM Replacement Part, FREE SHIPPING | 99.9% |
![]() | $24.95 | Condition is New, 78L29 Lennox 250F Co M/R Limit Switch OEM 78L29, shipping cost = $7.96 | 99.6% |
![]() | $24.95 | Condition is New, Lennox 78L29- Genuine OEM CONTROL DISC TYPE LIMIT-250 DEGREE (LOT 22), shipping cost = $8.80 | 100.0% |
![]() | $19.66 | Top Pick! Condition is New, NEW REPLACES LENNOX 78L29 Rollout Limit Switch w/ Manual Reset, shipping cost = $17.02 | 99.7% |
![]() | $40.49 | Top Pick! Condition is New, Lennox 78L29 Limit Switch 250F Manual Reset, FREE SHIPPING | ![]() |
![]() | $37.15 | Top Pick! Condition is New, Lennox 78L29 Limit Switch, 250 Deg. F, shipping cost = $5.00 | 99.8% |
![]() | $42.63 | Condition is New, Lennox 78L29 250F CO M/R Limit Switch 250F CO M/R Limit Switch, FREE SHIPPING | 98.6% |
![]() | $43.66 | Top Pick! Condition is New, LENNOX 78L29 Appliance Roll Out Switch, FREE SHIPPING | ![]() |
![]() | $44.95 | Condition is New, OEM Lennox Armstrong Ducane Furnace Limit Switch Fits 78L29 78L2901 36TX16-6756, FREE SHIPPING | ![]() |
![]() | $49.70 | Condition is New, Lennox 78L29 Manual Reset Rollout Switch 250F, FREE SHIPPING | 100.0% |
![]() | $49.79 | Condition is New, Lennox Limit Switch,250 deg. F 78L29 Lennox 78L29, FREE SHIPPING | 99.6% |
![]() | $55.24 | Condition is New, OEM Furnace L250F Limit Switch Replaces Lennox Armstrong Ducane 78L29 78L2901, FREE SHIPPING | ![]() |
![]() | $47.28 | Condition is New, LENNOX LIMIT SWITCH MANUAL RESET 250 F 78L29, shipping cost = $13.00 | 99.5% |
![]() | $66.50 | Condition is New, Lennox 78L29 Rollout Switch 78L2901, Manual Reset, Actuates at 250F NEW, shipping cost = $9.14 | 98.5% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $9.99 | Condition is Used, LENNOX ARMSTRONG DUCANE 78L2901 78L29 L250F AUTO RESET LIMIT SWITCH, shipping cost = $5.97 | 99.4% |
![]() | $14.00 | Condition is Used, Lennox Ducane Armstrong 78L2901 78L29 rollout control limit switch L250F, FREE SHIPPING | 100.0% |
![]() | $14.99 | Condition is Used, Lennox 78L29 Limit Switch 78L2901 USED **TESTED**, FREE SHIPPING | 98.5% |
![]() | $15.00 | Condition is Used, LENNOX ARMSTRONG DUCANE 78L2901 78L29 L250F AUTO RESET LIMIT SWITCH, FREE SHIPPING | 99.4% |
![]() | $19.00 | Condition is Used, Lennox Ducane Armstrong 69M3001 69M30 rollout control limit switch L135-30F, FREE SHIPPING | 100.0% |
![]() | $35.66 | Condition is Used, Lennox Ducane Armstrong 78L2901, 78L29 rollout control limit switch L250F, shipping cost = $38.29 | 99.1% |
![]() | $49.49 | Condition is Used, Lennox Ducane Armstrong 78L2901, 78L29 rollout control limit switch L250F, G61, shipping cost = $38.29 | 99.1% |
![]() | $64.78 | Condition is Used, 2pcs Lennox Ducane Armstrong 78L2901, 78L29 rollout control limit switch L250F, shipping cost = $38.29 | 99.1% |
![]() | $64.78 | Condition is Used, Lennox Ducane Armstrong 78L2901, 78L29 rollout limit switch with gas valve hose, shipping cost = $38.29 | 99.1% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $40.73 | Condition is Unspecified, Lennox 78L29 250F CO M/R Limit Switch 250F CO M/R Limit Switch, FREE SHIPPING | 97.8% |

The Lennox 78L29 Limit Switch is an essential component in HVAC systems, specifically designed for use with Lennox gas furnaces. This switch is a crucial safety feature that monitors the temperature of the heat exchanger and prevents the furnace from overheating, ensuring the longevity and efficiency of the system.
The Lennox 78L29 Limit Switch is a 250-degree switch, meaning it activates when the temperature reaches 250 degrees Fahrenheit. This specific temperature is chosen to protect the heat exchanger from reaching potentially damaging temperatures. The switch is designed with a robust and durable construction, ensuring reliable operation under harsh conditions.
The switch is easy to install, with clear and concise installation instructions provided. It is designed to fit seamlessly into the existing wiring system of Lennox gas furnaces, making it a straightforward replacement for any faulty or worn-out limit switches. The switch is also designed with a tamper-resistant feature, ensuring that it cannot be accidentally or intentionally reset, further enhancing safety.
The Lennox 78L29 Limit Switch is a vital part of any Lennox gas furnace system, providing peace of mind and ensuring the safe and efficient operation of the furnace. Its durable construction, easy installation, and tamper-resistant feature make it an excellent choice for homeowners and HVAC professionals alike.
Pros of buying Lennox 78L29 Limit Switch 250 Deg:1. Reliable: Lennox is a well-known brand in the HVAC industry, known for its high-quality products. The 78L29 limit switch is designed to operate reliably for a long time.
2. Durable: The switch is made of high-quality materials, ensuring it can withstand harsh environmental conditions and regular use.
3. Wide Temperature Range: The switch has a wide temperature range of 250 degrees, making it suitable for various heating systems.
4. Easy Installation: The switch is easy to install, saving you time and effort during the installation process.
Cons of buying Lennox 78L29 Limit Switch 250 Deg:1. Cost: The switch may be more expensive compared to other limit switches in the market, which could be a disadvantage for people on a tight budget.
2. Availability: Due to its high demand and popularity, there might be instances where the switch is out of stock or hard to find in local stores.
Conclusion:The Lennox 78L29 limit switch is a reliable and durable option for anyone looking for a high-quality limit switch with a wide temperature range. Although the switch may be more expensive compared to other options, its long-term performance and reliability make it a worthwhile investment. If you are looking for a limit switch that can withstand harsh environmental conditions and provide consistent performance, the Lennox 78L29 limit switch is an excellent choice.
Recommendation:If you are in the market for a high-quality limit switch, the Lennox 78L29 limit switch is a great option to consider. Although it may be more expensive, its reliability and durability make it a worthwhile investment. Make sure to check the availability of the switch in your local stores before making a purchase to avoid any inconvenience.
Details:
Warranty issues with all power equipment must be addressed through the manufacture. If an order has already been shipped, simply refuse the package when it arrives or return to sender if courier delivers. Model number g40uh-24a-045-5, fits brand Lennox. Limit switch, 250 degrees f, for use with mfr.
F 78L29: Lennox limit switch,250 deg. Further warranty may be offered by the product manufacturer.
specifications centrafurn:
- brand: Lennox
- mpn: 78l29
- type: Replacement Parts
- country/region of manufacture: Mexico
- item width: 1.000
returns centrafurn:
- method: money back
- paid by: buyer
- policy: returns accepted
- time: 30 days
payments centrafurn:
- wallet: google-pay
- credit card: discover
offer centrafurn:
- in stock #: 5
- sold #: 29
- availability: in stock
- prices: $9.99–$66.50
- item condition:
- New – Open box
- New
- Used
- Unspecified
- options: ship-to-home
- started: may 16, 2024
seller centrafurn:
- city: hibbing, minnesota
- rating: 98.5%
- # reviews: 133598
general centrafurn:
- category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces
shipping centrafurn:
- type: fixed
- transit: 5-7 days
- carrier: ups
- service: ups ground
- class: standard
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