Description
The Ashcroft B429B-15 is a precision-engineered pressure switch designed for demanding HVAC, commercial, and industrial applications where reliable pressure monitoring and manual reset capability are essential. Featuring a Single-Pole Double-Throw (SPDT) switching action, this unit activates a manual reset on pressure decrease, making it ideal for low-pressure fault detection and system protection scenarios.
Key Features
- 0–15 PSI pressure range for low-pressure monitoring applications
- SPDT (Single-Pole Double-Throw) switching action for versatile circuit control
- Manual reset on decrease — requires operator intervention to restore normal operation after a pressure drop event
- 1/4″ NPT process connection for easy installation into standard piping systems
- Buna N (Nitrile) seal material — resistant to oils, fuels, and a wide range of process fluids
- Watertight NEMA 4X enclosure — provides protection against corrosion, dust, and water ingress for indoor and outdoor installations
Applications
- HVAC system pressure fault detection and protection
- Compressor and pump low-pressure safety cutouts
- Refrigeration and chiller system monitoring
- Commercial and light industrial process control
- Wet or corrosive environment installations requiring NEMA 4X protection
Why Choose the Ashcroft B429B-15?
Ashcroft is a globally recognized leader in pressure measurement and control instrumentation. The B429B-15 combines rugged construction with precise switching performance, ensuring dependable operation in environments where moisture, dust, or corrosive conditions are present. The manual reset feature adds an important layer of safety by preventing automatic restart after a pressure drop event, requiring a deliberate operator action before the system resumes operation.
Specifications
- Brand: Ashcroft
- Model / SKU: B429B-15
- Pressure Range: 0–15 PSI
- Switch Type: SPDT (Single-Pole Double-Throw)
- Reset Type: Manual Reset on Decrease
- Process Connection: 1/4″ NPT
- Seal Material: Buna N (Nitrile)
- Enclosure Rating: NEMA 4X (Watertight)
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