Best Actuator Blocks of 2025

The Honeywell Zone Valve Actuator is a low voltage, spring-return damper actuator designed for direct mounting to 7/16 inch diameter coupling style dampers. It is a direct replacement for the M847D1004 model. This actuator is equipped with anti-rotation and drive shaft extensions, ensuring easy installation and compatibility with various damper systems. With its reliable performance and brand reputation, the Honeywell Zone Valve Actuator is a top choice for controlling the airflow in HVAC systems. Its low voltage operation and spring-return design ensure efficient and responsive damper control. By directly replacing the M847D1004 model, it offers a convenient solution for upgrading or replacing existing actuators. With its brand name recognition and quality construction, the Honeywell Zone Valve Actuator is a reliable and efficient choice for HVAC professionals and homeowners alike.

The Siemens Actuator Block is a reliable component designed for various applications. With its EAN code 4011209117228, you can easily identify and order this part. It comes with a worldwide warranty from Siemens, ensuring peace of mind for your purchase. The 3SB3400-0A model features two screw terminal contacts, including one normally open (NO) and one normally closed (NC), making it versatile for different wiring setups. This flexibility allows you to customize your system according to your needs, enhancing overall efficiency and functionality.

The Caleffi Valve Actuator is a versatile 24-volt device that can automatically control hot or chilled water flow in heating and air conditioning systems. Its compact size allows for easy installation inside baseboards or fan coil units. This actuator is designed to efficiently manage water flow, ensuring optimal system performance. With the Caleffi Valve Actuator, you can easily regulate your system's temperature and save energy by directing water where it's needed most.

The Erie Actuator 24V 18" is a reliable device that includes an auxiliary and features a synchronous motor drive with spring return. It conveniently mounts directly onto the body without the need for linkages or calibration, making installation a breeze. Moreover, it is equipped with a manual override lever on normally closed actuators, offering users easy control and flexibility. This actuator is ideal for those seeking a hassle-free solution for their actuation needs, ensuring smooth operation and efficient performance.

The Siemens Actuator Block is a reliable component designed for various applications. Weighing in at just 0.75 pounds, it is lightweight and easy to handle, making installation a breeze. Its dimensions of 7.00 x 7.00 x 6.00 inches ensure it fits well in most setups. This product is in like-new condition, ensuring you receive quality performance. As part of the actuator blocks category, it offers durability and efficiency, providing users with a dependable solution for their projects.

The Uponor Thermal Actuator is designed to work seamlessly with various manifold systems, including Uponor TruFLOW and stainless-steel options. It provides precise control over the fluid flow in individual radiant heating loops, ensuring optimal comfort in your space. The actuator also includes an end switch, which allows you to easily activate a relay pump or other auxiliary devices when needed. This feature enhances the overall efficiency of your heating system, giving you more control and convenience in managing your home’s temperature.

The Gertrdti Damper Actuator operates on 24 VAC and is designed to fit both Normally Open and Normally Closed HVAC systems. Its durable stainless steel housing and metal gears ensure longevity and resistance to rust, making it a reliable choice for your installations. With a 1-Year Warranty and rigorous testing for over 200,000 cycles, you can trust its performance. The actuator's fixed 90-degree angle of operation allows for precise control in air duct systems, ensuring efficient airflow management in your home or business.

The Erie AG13A020 Actuator, also known as the Erie PopTop Actuator, is a versatile and convenient device designed for baseboard applications. This actuator mounts directly onto the body without the need for linkages or calibration, making installation a breeze. With its manual override lever, you have full control over the actuator even when it's in the normally closed position. The actuator also includes auxiliary features, providing you with additional functionality. Whether you need to replace an existing actuator or install a new one, the Erie AG13A020 Actuator is the perfect choice for its ease of use and reliability.

The Honeywell ML6161B2024 Direct Coupled Damper Actuator, also known as the Honeywell Damper Actuator, is a versatile and reliable HVAC device. With its compact size of 5.55 inches high, 3.39 inches wide, and 2.52 inches deep, it can easily fit into various systems. Made of steel plate and plenum rated plastic, this actuator ensures durability and safety. It is designed to regulate the airflow in HVAC systems, making it easier to control the temperature and ventilation in your home or office. With the Honeywell Damper Actuator, you can enjoy a comfortable and energy-efficient environment. Its high-quality construction and reliable performance make it an excellent choice for your HVAC needs.

The Aexit Test Probes are designed for precision and reliability. With a head diameter of 0.9mm and a tube diameter of 0.68mm, these probes allow you to make accurate connections in tight spaces. Their overall length of 16.5mm makes them suitable for various applications, ensuring versatility in your testing needs. Made from durable metal, these probes are built to last, providing you with consistent performance over time. Additionally, the gold and silver tones not only enhance aesthetics but also contribute to their functionality, making them a great choice for your projects.