# DWYER 1820-2-ST Differential Pressure Switch – HVAC Control

The DWYER 1820-2-ST Differential Pressure Switch is an essential component for precise pressure monitoring in various industrial applications. Designed for reliability and accuracy, this switch ensures optimal performance in HVAC systems, cleanrooms, and industrial processes.

**Key Features:**

-   **Accurate Pressure Monitoring:** Provides precise differential pressure readings for critical system control.
-   **Durable Construction:** Housed in a rugged enclosure, ensuring long-term performance in harsh environments.
-   **Adjustable Set Point:** Allows for customized pressure thresholds to meet specific application needs.
-   **Easy Installation:** Features user-friendly design with clearly labeled ports and external set point adjustment.
-   **Wide Compatibility:** Suitable for integration with diverse control systems, supporting various installation types.

The DWYER 1820-2-ST is engineered to withstand demanding conditions, offering dependable performance and consistent switching accuracy. Its SPDT snap-action switch guarantees rapid response, making it ideal for applications requiring quick and reliable pressure monitoring. This switch is a trusted solution for maintaining system integrity and operational efficiency.

Whether used in commercial buildings or industrial facilities, the DWYER 1820-2-ST Differential Pressure Switch delivers performance and precision. It's a reliable choice for professionals seeking accurate differential pressure monitoring. For further details or inquiries, please feel free to contact us at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** Ram Automations
- **Type:** Industrial Automation > Sensors > Pressure Switches
- **Tags:** differential pressure switch, DWYER, HVAC control, industrial automation, pressure monitoring, pressure sensor

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 999.00 USD | In stock |

## Images

- DWYER 1820-2-ST Differential Pressure Switch – HVAC Control-Ram Automations

---

> Source: [Ram Automations](https://ramautomations.com/products/dwyer-1820-2-st-pressure-switch)
> Updated: 2026-09-30