Description
The A.J. Antunes JD-2-GREY is a versatile, multi-function pressure switch engineered for reliable air differential, vacuum, and pressure sensing in commercial HVAC and equipment control applications. With an auto-reset design and a wide sensing range of 0.1 to 4 inches water column (“wc), this switch delivers dependable protection and control without requiring manual intervention after a trip event.
Key Features
- Multi-function operation: monitors air differential pressure, vacuum, and positive pressure in a single device
- Sensing range: 0.1 to 4 inches water column (“wc) for precise, low-pressure detection
- SPDT (Single Pole Double Throw) switching action for flexible circuit integration — supports both normally open and normally closed configurations
- 1/8″ NPT port connection for straightforward installation into standard pneumatic or air-sensing lines
- Auto-reset functionality automatically restores normal operation once pressure returns to the set range — no manual reset required
- Compact, durable construction suitable for commercial HVAC, food service equipment, and industrial control panels
Specifications
- Brand: A.J. Antunes
- Model / SKU: JD-2-GREY
- Pressure Range: 0.1 – 4″ w.c.
- Switch Type: SPDT (Single Pole Double Throw)
- Port Connection: 1/8″ NPT
- Reset Type: Automatic (Auto Reset)
- Sensing Media: Air differential, vacuum, and positive pressure
Applications
- Commercial HVAC air handler and duct pressure monitoring
- Filter status and airflow proving in air distribution systems
- Vacuum and pressure sensing in food service and commercial kitchen equipment
- Fan and blower proving circuits
- Industrial process control and equipment protection
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