
LRB24-3-S Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $59.00 | Condition is Used, belimo B221 LRB24-3-S geo thermal valve. 3/4 npt. Same Day Shipping, shipping cost = $9.00 | 99.8% |
![]() | $69.99 | Condition is Used, Belimo LRB24-3-S Valve Actuator, shipping cost = $18.24 | 99.8% |
![]() | $79.00 | Condition is Used, BELIMO B225+LRB24-3-S / B225LRB243S 3/4 valve . fast shipping, shipping cost = $9.00 | 99.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $99.00 | Condition is New, Belimo LRB24-3-S,Valve Actuator,Non fail-safe,AC/DC 24 V,On/Off,Floating point, shipping cost = $47.00 | 100.0% |
![]() | $213.30 | Top Pick! Condition is New, Belimo LRB24-3-S Valve Actuator, Non Fail-Safe, AC/DC 24 V, On/Off, FREE SHIPPING | 99.9% |
![]() | $268.62 | Condition is New, Belimo LRB24-3-S P2075B090-P+ PICCV 0.75" 2 Way 9 GPM w/ Non-Spring , FREE SHIPPING | 98.7% |
![]() | $272.09 | Condition is New, 1PC BELIMO LRB24-3-S damper actuator, FREE SHIPPING | 100.0% |
![]() | $253.80 | Top Pick! Condition is New, Belimo LRB24-3-S Floating Point Control Globe Valve Actuator# 1pcs New In Box, shipping cost = $20.00 | 100.0% |
![]() | $253.80 | Condition is New, 1PCS New Belimo LRB24-3-S Floating Point Control Globe Valve Actuator In Box*, shipping cost = $20.00 | 100.0% |
![]() | $253.80 | Top Pick! Condition is New, Belimo LRB24-3-S Floating Point Control Globe Valve Actuator# 1pcs New In Box, shipping cost = $20.00 | 100.0% |
![]() | $255.55 | Top Pick! Condition is New, Belimo LRB24-3-S Floating Point Control Globe Valve Actuator#1pcs New In Box, shipping cost = $20.00 | 100.0% |
![]() | $256.50 | Condition is New, 1PCS New Belimo LRB24-3-S Floating Point Control Globe Valve Actuator, shipping cost = $20.00 | 100.0% |
![]() | $302.27 | Condition is New, BELIMO LRB24-3-S actuator, FREE SHIPPING | 100.0% |
![]() | $302.27 | Condition is New, BELIMO LRB24-3-S actuator, FREE SHIPPING | 100.0% |
![]() | $308.34 | Condition is New, 1pcs new BELIMO actuator LRB24-3-S, FREE SHIPPING | 100.0% |
![]() | $308.51 | Condition is New, BELIMO actuator LRB24-3-S, FREE SHIPPING | 100.0% |
![]() | $309.70 | Condition is New, 1pcs BELIMO LRB24-3-S actuator , FREE SHIPPING | 98.0% |
![]() | $309.70 | Condition is New, 1pcs BELIMO LRB24-3-S actuator, FREE SHIPPING | 98.0% |
![]() | $312.34 | Condition is New, BELIMO LRB24-3-S actuator, FREE SHIPPING | 100.0% |
![]() | $309.93 | Condition is New, BELIMO actuator LRB24-3-S, shipping cost = $5.00 | 100.0% |
![]() | $316.19 | Condition is New, new BELIMO actuator LRB24-3-S, FREE SHIPPING | 100.0% |
![]() | $317.81 | Condition is New, BELIMO actuator LRB24-3-S, FREE SHIPPING | 96.4% |
![]() | $323.00 | Top Pick! Condition is New, 1pcs BELIMO LRB24-3-S actuator, FREE SHIPPING | 100.0% |
![]() | $309.52 | Condition is New, 1pcs new BELIMO actuator LRB24-3-S, shipping cost = $15.00 | 97.8% |
![]() | $309.93 | Condition is New, 1pcs new BELIMO actuator LRB24-3-S #g, shipping cost = $15.00 | 100.0% |
![]() | $325.99 | Top Pick! Condition is New, 1pcs BELIMO LRB24-3-S actuator , FREE SHIPPING | 100.0% |
![]() | $326.18 | Condition is New, 1pcs new BELIMO actuator LRB24-3-S, FREE SHIPPING | 99.5% |
![]() | $322.00 | Condition is New, 1pcs brand-new BELIMO LRB24-3-S actuator, shipping cost = $5.00 | 100.0% |
![]() | $297.14 | Top Pick! Condition is New, 1pcs new BELIMO actuator LRB24-3-S, shipping cost = $35.00 | 100.0% |
![]() | $317.40 | Condition is New, 1pcs new BELIMO actuator LRB24-3-S, shipping cost = $15.00 | 97.8% |
![]() | $317.43 | Condition is New, 1pcs brand-new BELIMO LRB24-3-S actuator, shipping cost = $15.00 | 100.0% |
![]() | $328.00 | Top Pick! Condition is New, 1pcs new BELIMO LRB24-3-S actuator , shipping cost = $5.00 | 100.0% |
![]() | $304.70 | Condition is New, 1pcs new BELIMO actuator LRB24-3-S, shipping cost = $35.00 | 87.5% |
![]() | $329.08 | Top Pick! Condition is New, 1pcs new BELIMO actuator LRB24-3-S, shipping cost = $35.00 | 92.2% |
![]() | $438.31 | Condition is New, Belimo B229+LRB24-3-S Aircontrols (Usa), Inc. Characterized Control Valve, FREE SHIPPING | 98.7% |
![]() | $473.97 | Top Pick! Condition is New, 1PCs New BELIMO Actuator LRB24-3-S, FREE SHIPPING | 100.0% |
![]() | $479.37 | Condition is New, Belimo B325+LRB24-3-S Aircontrols (Usa), Inc. Characterized Control Valve, FREE SHIPPING | 98.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $120.00 | Condition is New – Open box, BELIMO B220HT290+LRB24-3-S / B220HT290LRB243S (BRAND NEW), shipping cost = $71.42 | 100.0% |

The Belimo LRB24-3-S B221 Geothermal Valve is a superior solution for regulating water temperature in heating and cooling applications using geothermal energy. This valve, specifically designed for 3/4 NPT thread connections, is part of Belimo's portfolio of high-performance actuated valves.
The B221 series of valves guarantees precise temperature control and energy efficiency with its patented actuator technology. The LRB24-3-S valve body is made of brass, renowned for its durability and resistance to corrosion, providing reliable and consistent performance throughout its life cycle. Despite its robustness, the valve is lightweight and compact, making it an excellent choice for both new installations and retrofits.
The Integrated Sensor Technology (IST) is another essential feature of the Belimo LRB24-3-S B221 Geothermal Valve. This smart technology constantly monitors the temperature inside the valve, allowing the valve to regulate the flow according to the required temperature setpoint. This increases energy efficiency and the overall performance of the geothermal system.
The actuator's built-in solenoid valve enables the valve to be easily controlled using a range of field wiring terminals for various communications protocols. This allows for seamless integration with a building automation system or existing controls infrastructure, ensuring that the Geothermal Valve works efficiently and effectively as part of the larger energy management system.
The B221 Geothermal Valve also features automatic bleed function, which eliminates the need for manual air venting during installation or maintenance. This not only simplifies the installation process but also reduces the potential for leakage and other costly complications.
The Belimo LRB24-3-S B221 Geothermal Valve is an advanced, high-performance valve solution that delivers accurate temperature control while minimizing energy consumption in geothermal heating and cooling applications. Its combination of robust design, smart technology, and user-friendly features makes it an ideal choice for owners, operators, and engineers seeking superior performance and longevity.
Pros and Cons of Buying Belimo LRB24-3-S B221 Geothermal Valve 3/4 NPT
Introduction:The Belimo LRB24-3-S B221 Geothermal Valve in 3/4 NPT is a popular choice for HVAC systems requiring temperature control for geothermal applications. This valve combines functionality, reliability, and energy efficiency. Let's evaluate its advantages and disadvantages.
Pros:1. Precise Temperature Control: This valve provides highly accurate temperature control, allowing for efficient margin of error compensation and ensuring optimal energy consumption and complete comfort. It is well-suited for applications with demanding temperature requirements.
2. Durability: The valve is constructed of robust materials, ensuring its longevity and withstanding harsh operating conditions. Its sturdy build makes it ideal for industrial and commercial applications, where reliability is vital.
3. Energy Efficiency: The Belimo LRB24-3-S B221 Geothermal Valve incorporates advanced technologies, including flow rate compensation and temperature compensation, to maximize energy efficiency and cost savings.
4. Easy Maintenance: This valve boasts a simple design that simplifies maintenance procedures. Its maintenance requirements are minimal, reducing downtime and saving labor costs.
5. Flexible Installation: The valve features a 3/4 NPT thread, which can be used in a variety of installations. It offers flexibility for different systems and can easily be integrated into various HVAC designs.
Cons:1. Potentially Higher Initial Investment: Compared to standard temperature control valves, the Belimo LRB24-3-S B221 Geothermal Valve may have a higher upfront cost. However, the long-term savings from energy efficiency and operational reliability often outweigh the initial investment.
2. Complexity: Although the valve offers benefits like easy maintenance and flexible installation, its advanced operational features may call for technically skilled personnel during installation and operation. This complexity could lead to increased labor costs.
3. Limited Applicability: Despite its advantages, the Belimo LRB24-3-S B221 Geothermal Valve is designed explicitly for temperature control in geothermal applications. It may not suffice in other HVAC applications, such as hot water heating or steam distribution.
Conclusion:The Belimo LRB24-3-S B221 Geothermal Valve offers a range of benefits, including precise temperature control, durability, energy efficiency, easy maintenance, and flexibility. However, it may require a higher initial investment, and its advanced operational features might necessitate technically skilled labor. If you are looking for a reliable, energy-efficient, and accurate temperature control solution for your geothermal system, this valve is an excellent choice. In conclusion, the pros outweigh the cons, making the Belimo LRB24-3-S B221 Geothermal Valve a sound investment for your HVAC geothermal application.
Recommendation:We recommend the Belimo LRB24-3-S B221 Geothermal Valve for HVAC systems requiring precise temperature control, energy efficiency, durability, and reliable operation in geothermal applications. It is a valuable investment that will save you on long-term energy consumption and operational costs. However, if your application does not involve geothermal systems or temperature control, this valve may not be the best option. Always consult a professional HVAC engineer or contractor for system recommendations based on your specific requirements.
Details:
Removed from working geo thermal heat pump system. Belimo B221 LRB24-3-S geo thermal zone valve.
specifications centrafurn:
- brand: Belimo
- mpn: Lrb24-3-s
- part type: Valve
- power source: Geothermal
offer centrafurn:
- best offers: true
- availability: in stock
- in stock #: 5
- prices: $59.00–$479.37
- item condition:
- Used
- New
- New – Open box
- sold #: 24
- options: ship-to-home
- started: february 2, 2025
payments centrafurn:
- other
- wallet: paypal
- credit card: discover
general centrafurn:
- category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces
shipping centrafurn:
- carrier: usps
- type: fixed
- service: usps ground advantage
- class: standard
- transit: 3-6 days
seller centrafurn:
- rating: 99.1%
- # reviews: 2024
- city: riverhead, new york
returns centrafurn:
- method: money back
- paid by: buyer
- policy: returns accepted
- time: 30 days
Also Available:
- B212-TR24-SR: CONTROL VALVE ACTUATOR, Belimo

















