
LF24-3-S Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $302.62 | Top Pick! Condition is New – Open box, BELIMO LF24-3-S US / LF243SUS (NEW IN BOX), shipping cost = $12.90 | 99.7% |
![]() | $300.00 | Condition is New – Open box, BELIMO B217B+LF24-3-S, shipping cost = $27.00 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $238.91 | Condition is Used, BELIMO LF24-3-S US / LF243SUS (USED), shipping cost = $12.90 | 99.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $92.54 | Condition is New, Belimo B216B +LF24-3-S US CCV 0.5" 2 Way 16 Cv w/ Spg Rtn 24V Fl, FREE SHIPPING | 98.6% |
![]() | $398.19 | Condition is New, BELIMO LF24-3-S US / LF243SUS (BRAND NEW), shipping cost = $12.90 | 99.7% |
![]() | $413.21 | Condition is New, Belimo LF24-3-S B320L+ US Ball Valve 0.75" 3 Way 12.8 Cv w/ Spg Rtn , FREE SHIPPING | 98.6% |
![]() | $1147.43 | Condition is New, Belimo G220B-K+LF24-3-S 3/4" 2W 7.5 Cv S/R 24V FLTG SW, FREE SHIPPING | 98.6% |

The Belimo LF24-3-S/LF243S US is a versatile and advanced air damper actuator designed for optimal HVAC system performance. This actuator is part of Belimo's LF24 series, which is renowned for its reliability, accuracy, and energy efficiency.
The LF24-3-S/LF243S US is a 2-wire, self-powered actuator, which means it derives its power directly from the control voltage source, eliminating the need for separate power wiring. It comes with a built-in heater and thermistor, ensuring reliable operation in cold environments.
The actuator features a compact and robust design, with a stainless steel housing that provides protection against corrosion and harsh environments. It can be used with various damper types, including Butterfly, Guillotine, and Sliding damper types, making it a flexible solution for different HVAC applications.
The LF24-3-S/LF243S US is compatible with a wide range of control signals, including 0-10Vdc, 1-10Vdc, and 4-20mA, allowing seamless integration with various HVAC control systems. It also comes with a factory-set deadband of 0.5 C (1 F) and a default travel range of 270 .
The actuator's advanced features include a self-diagnostics function, which constantly monitors the actuator's status and reports any faults to the building automation system. It also has a built-in limit switch and a torque limiter, ensuring safe and reliable operation.
The LF24-3-S/LF243S US is designed for easy installation and commissioning. It comes with a removable terminal block, which allows for quick and secure wiring connections. It also features a clear and intuitive display that shows the actuator's status and operating parameters.
In summary, the Belimo LF24-3-S/LF243S US is a high-performance, self-powered air damper actuator that offers reliable operation, energy efficiency, and easy integration with various HVAC control systems. Its robust design, advanced features, and flexibility make it an ideal solution for a wide range of HVAC applications.
The Belimo LF24-3-S/LF243-US actuator is a popular choice for HVAC (Heating, Ventilation, and Air Conditioning) applications due to its advanced features and energy efficiency. Here are some pros and cons that can help you make an informed decision about purchasing this actuator:
Pros:1. Energy Efficiency: The Belimo LF24-3-S/LF243-US actuator is known for its energy efficiency. It uses a permanent magnet motor, which consumes less power compared to other types of motors.
2. Wide Operating Range: This actuator has a wide operating range of 0-359 , making it suitable for various HVAC applications.
3. High Precision: The Belimo LF24-3-S/LF243-US actuator offers high precision, with a repeatability of 1.5 .
4. Easy Installation: The actuator comes with a factory-set limit switch, making installation simple and quick.
5. Durable: The actuator is made of high-quality materials, ensuring durability and long service life.
6. Integrated Position Feedback: The actuator provides integrated position feedback, allowing for precise control and monitoring of the system.
Cons:1. Cost: The Belimo LF24-3-S/LF243-US actuator is more expensive than some other actuators on the market.
2. Complexity: The actuator has several advanced features, which may require additional time and expertise to program and configure.
3. Size: The actuator is larger than some other actuators, which may require additional space for installation.
In conclusion, the Belimo LF24-3-S/LF243-US actuator offers several advantages, including energy efficiency, wide operating range, high precision, easy installation, durability, and integrated position feedback. However, it also has some disadvantages, such as cost, complexity, and size.
If you are looking for a high-performance, energy-efficient actuator for your HVAC application and have the budget for it, then the Belimo LF24-3-S/LF243-US actuator is an excellent choice. However, if you are looking for a more cost-effective solution or have limited space for installation, then you may want to consider other options. Ultimately, the decision depends on your specific application requirements and budget.
Details:
All products are guaranteed to be working but may show signs of use if purchasing a used product. Sells new and surplus product develops channels to purchase such. Packaging and handling: items are safely eds packaged in custom shipping cartons for protection. Part number LF24-3-S us.
Call to use a shipping service other than the ones listed.
specifications maxohvac:
- brand: Belimo
- mpn: Lf24-3-s
- part type: Hvac
shipping maxohvac:
- class: standard
- type: fixed
- service: standard
- transit: 28-33 days
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
offer maxohvac:
- in stock #: 5
- started: february 21, 2026
- availability: in stock
- prices: $92.54–$1147.43
- item condition:
- New – Open box
- Used
- New
- sold #: 10
- options: ship-to-home
payments maxohvac:
- wallet: paypal
- credit card: visa
- other
returns maxohvac:
- policy: returns accepted
- paid by: buyer
- time: 30 days
- method: money back
seller maxohvac:
- # reviews: 191357
- city: 1 millennium dr, willingboro, nj 08046
- rating: 99.5%
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