Antunes Controls 801111316 Pressure Switch

The Antunes Controls 801111316 (Model JD-2 Grey) is a rugged, field-adjustable air pressure switch designed for precision monitoring in commercial HVACR and industrial combustion systems. Engineered with a sensitive diaphragm and a die-cast aluminum housing, this switch provides reliable differential pressure, vacuum, and positive pressure sensing across a range of 0.1" to 4" W.C. (3mm to 102 mm). As a single pole double throw (SPDT) snap-action device, it is ideal for proving fan operation, monitoring filter status, or interlocking burner safety circuits. This model features an auto-reset function and dual-calibrated scales for both imperial and metric measurements, ensuring seamless integration for technicians. The included accessory kit simplifies installation via the 1/8" NPT inlets. With a maximum pressure surge capacity of 3 PSIG and an ambient operating range of -20°F to 140°F, this switch is a staple for contractors requiring high-accuracy airflow proving and system safety logic.

• Precise Field Calibration: Easily adjustable 0.1-4" W.C. range with visible set point indication and dual scales.
• Industrial Durability: Housed in a compact die-cast aluminum enclosure to withstand vibration and harsh mechanical environments.
• Versatile Sensing: Dual 1/8" NPT ports allow for vacuum, pressure, and differential monitoring in a single unit.
• Instant Status Verification: Features a built-in visible ON-OFF indicator for rapid site diagnostics and troubleshooting.
• High Electrical Rating: SPDT snap-action switch rated for 10A at 125 VAC, supporting a wide variety of control circuits.

How do I set the trip point on the Antunes 801111316?
Use the adjustment screw located on the housing. Reference the dual-scale calibrated dial (inches/mm W.C.) to align the pointer with your required set point. Always verify the trip point with a calibrated manometer during commissioning.

What is the purpose of the grey spring in this JD-2 model?
Antunes uses color-coded springs to denote pressure ranges. The grey spring signifies the 0.1" to 4" W.C. sensitivity range, which is specifically optimized for low-pressure air proving and draft detection.

Can this switch be used for both positive and negative pressure?
Yes. The 801111316 features two 1/8" NPT inlets. For positive pressure, connect to the "P" port; for vacuum/negative pressure, use the dedicated vacuum port. For air differential applications, connect both to measure the drop across a filter or coil.

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.