
THCR-4 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $33.95 | Condition is New – Open box, THCR-4 SIEBE Enthalpy Controller Replaces BC THC-4 , FREE SHIPPING | 100.0% |
![]() | $74.00 | Condition is New – Open box, SIEBE ENVIRONMENTAL CONTROLS THCR-4 Enthalpy Controller 2.5A 24VAC NOS IOB, shipping cost = $10.85 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $29.00 | Condition is New, SIEBE SPDT Enthalpy Control THCR-4, shipping cost = $8.50 | 99.7% |
![]() | $129.99 | Top Pick! Condition is New, SIEBE SPDT Enthalpy Control THCR-4, shipping cost = $15.65 | 100.0% |

The Siebe Thcr-4 Enthalpy Controller BC-THC-4 is a state-of-the-art HVAC (Heating, Ventilation, and Air Conditioning) control system designed for commercial and industrial applications. This advanced controller is engineered to ensure optimal energy efficiency and indoor environmental quality by regulating the enthalpy of the air being conditioned.
The Thcr-4 controller features a high-resolution, color touchscreen display that offers intuitive and easy-to-use interface, allowing users to access and adjust various settings with just a few taps. The controller's advanced algorithm calculates the required cooling or heating capacity based on the entering air conditions, and adjusts the HVAC system accordingly to maintain the desired setpoint temperature and humidity levels.
The Thcr-4 controller is capable of communicating with a wide range of building automation systems and sensors, allowing for seamless integration into larger building management systems. It also offers advanced features such as trend logging, alarms, and event reporting, providing valuable data for system diagnostics and optimization.
The controller's enthalpy control function ensures that the right amount of moisture is added or removed from the air to maintain the desired indoor humidity levels. This is especially important in applications where humidity control is critical, such as laboratories, hospitals, and data centers.
The Thcr-4 controller is designed with robustness and reliability in mind. It is built to withstand harsh environments and can operate in temperatures ranging from -40 C to 70 C. It also features an integrated backup battery, ensuring that critical data is not lost in the event of a power outage.
In summary, the Siebe Thcr-4 Enthalpy Controller BC-THC-4 is a powerful and versatile HVAC control system that delivers precise temperature and humidity control, energy efficiency, and seamless integration into building automation systems. Its advanced features, robust design, and intuitive interface make it an ideal solution for commercial and industrial applications where optimal indoor environmental quality is essential.
The Siebe Siemens THCR-4 enthalpy controller, also known as THC-4, is a popular choice in the HVAC industry for regulating the temperature and humidity levels in air conditioning systems. Here are some pros and cons of buying this controller:
Pros:1. High Precision: The THCR-4 controller offers high precision temperature and humidity control, making it suitable for applications where exact humidity levels are required.
2. Energy Efficiency: This controller is designed to optimize energy use by minimizing the amount of compressor run-time required to maintain setpoint temperatures and humidity levels.
3. Flexible Installation: The THCR-4 can be used in various types of HVAC systems, including chilled water, hot water, and direct expansion systems.
4. User-Friendly: The controller comes with an intuitive user interface and easy-to-use programming software, making it easy for HVAC technicians to install and commission.
5. Reliable: Siebe Siemens is known for producing high-quality HVAC components, and the THCR-4 controller is no exception. It is built to last and designed to withstand harsh operating conditions.
Cons:1. Cost: The THCR-4 controller is a premium product, and the cost can be a significant investment for small HVAC systems.
2. Complexity: The controller's advanced features and programming capabilities can be overwhelming for some users, requiring additional training and expertise to operate effectively.
3. Maintenance: Like any electronic component, the THCR-4 controller requires regular maintenance to ensure optimal performance. This can include calibration, filter replacement, and software updates.
In conclusion, the Siebe Siemens THCR-4 enthalpy controller is a high-performance, energy-efficient, and reliable solution for regulating temperature and humidity in HVAC systems. However, its premium price and complexity can make it a challenging investment for small systems or inexperienced users.
If you're operating a large HVAC system where precise temperature and humidity control are essential, the THCR-4 controller's advanced features and reliability make it a worthwhile investment. However, if you're operating a smaller system or have limited budget and expertise, you may want to consider a more basic temperature controller or consult with an HVAC professional to determine if the THCR-4 is the best fit for your needs.
Details:
Siebe enthalpy controller THCR-4 replaces bc THC-4 free shipping new old stock.
specifications maxohvac:
- brand: Siebe
- mpn: Thcr-4
- part type: Controller Bc
payments maxohvac:
- wallet: google-pay
- credit card: visa
- other
offer maxohvac:
- best offers: true
- started: december 28, 2025
- in stock #: 4
- options: ship-to-home
- sold #: 10
- availability: in stock
- prices: $29.00–$129.99
- item condition:
- New – Open box
- New
returns maxohvac:
- policy: no returns
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
seller maxohvac:
- city: walnut bottom, pennsylvania
- rating: 100.0%
- # reviews: 2871
shipping maxohvac:
- carrier: usps
- type: fixed
- transit: 5-9 days
- service: usps ground advantage
- class: standard



