A.J. Antunes 8224212021 Pressure Switch

The Antunes 8224212021 Pressure Switch (Model HGP-G) is a field-adjustable differential air pressure switch designed for high-accuracy sensing in commercial HVACR and process heating systems. Engineered with a set point range of 0.05" to 9" W.C., this SPDT (Single Pole Double Throw) switch provides reliable monitoring of positive, vacuum, or differential pressures. The unit features 1/4" compression fitting connections, ensuring a leak-free interface in high-vibration environments. As an FM approved pressure switch, it meets rigorous safety standards for use as a safety limit switch in fuel-burning equipment and ventilation monitoring. The rugged die-cast aluminum housing protects the internal diaphragm and electrical contacts, making it a staple for contractors requiring durable Antunes replacement parts for consistent air proving applications. Its versatile mounting orientation and adjustable scale allow for precise calibration in the field, ensuring the system maintains optimal static pressure levels for efficient operation.

• Wide Adjustment Range: The 0.05" to 9" W.C. scale allows for precise differential pressure sensing across diverse applications.
• Industrial Build Quality: Features a robust construction with FM approval for critical safety limit requirements.
• Secure Pneumatic Interface: Integrated 1/4" compression fittings prevent accidental disconnects and pressure signal loss.
• Flexible Control Logic: The SPDT contacts allow for normally open or normally closed wiring configurations based on system logic.
• Direct OEM Fit: Simplifies the HVAC pressure switch installation process by matching standard Antunes mounting footprints.

• Can this switch be used for both positive and negative pressure? Yes, the 8224212021 is designed to sense positive, vacuum, or differential pressure by utilizing the high and low ports correctly.
• What is the electrical rating for the SPDT contacts? This model typically supports standard pilot duty ratings; always verify the electrical load against the equipment schematics to ensure 120/240V compatibility.
• Is this suitable for combustible gas applications? This specific model is designed for air and non-combustible gases; consult the manufacturer data sheet for specific gas media tolerances.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.