---
product_id: 569389913
title: "Dwyer® HVAC Differential Pressureess Switch, ADPS-03-1-N, 20 to 2.00\" w.c., 1/2\" NPT Connection"
brand: "dwyer"
price: "₨1516"
currency: LKR
in_stock: false
url: https://www.desertcart.lk/products/569389913-dwyer-hvac-differential-pressureess-switch-adps-03-1-n-20
store_origin: LK
region: Sri Lanka
---

# 20 to 2.00" w.c. 1/2" NPT Connection Simple Setpoint Adjustment Dwyer® HVAC Differential Pressureess Switch, ADPS-03-1-N, 20 to 2.00" w.c., 1/2" NPT Connection

**Brand:** dwyer
**Price:** ₨1516
**Availability:** ❌ Out of Stock

## Summary

> 🌬️ Breathe Easy with Dwyer – Your HVAC's Best Friend!

## Quick Answers

- **What is this?** Dwyer® HVAC Differential Pressureess Switch, ADPS-03-1-N, 20 to 2.00" w.c., 1/2" NPT Connection by dwyer
- **How much does it cost?** ₨1516 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/569389913-dwyer-hvac-differential-pressureess-switch-adps-03-1-n-20)

## Best For

- dwyer enthusiasts

## Why This Product

- Trusted dwyer brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Setup:** Enjoy a hassle-free installation with included wiring connectors.
- • **Lightweight Design:** At just 158 g, this switch is easy to handle and install without compromising on durability.
- • **Precision Performance:** Adjust setpoints easily to maintain peak efficiency in your HVAC system.
- • **Versatile Orientation:** Mount it vertically for optimal performance, ensuring pressure connections are always on point.
- • **Stay Ahead of the Game:** Monitor your air filter status effortlessly with this advanced indicator.

## Overview

The Dwyer® HVAC Differential Pressure Switch (ADPS-03-1-N) is designed for precise air filter monitoring, featuring a 20 to 2.00" w.c. range and a 1/2" NPT connection. With simple setpoint adjustments and easy installation, it ensures your HVAC system runs efficiently while keeping your air quality in check.

## Description

The Series ADPS Adjustable Differential Pressure Switch is designed for pressure, vacuum, and Differential Pressures. The dual scaled adjustment knob in inches water column and Pascals allows changes to the switching pressure to be made without a pressure gage. The ADPS is available with settings from 0.08" w.c. (20 Pa) up to 20" w.c. (5000 Pa). The silicone diaphragm and PA 6.6 body make the series ADPS ideal for use with air and other noncombustible gases. The compact size, adjustment knob and low cost make the ADPS the perfect choice for HVAC applications.

## Features

- Air Filter Status indicator
- Ideal for most Furnace Filters
- Simple setpoint Adjustment
- Easy Setup and included wiring connectors
- Mounting Orientation: Vertically, with pressure connections pointing downwards.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Dwyer |
| Manufacturer | Dwyer Instruments, Inc. |
| Number of Memory Sticks | 1 |
| Item Weight | 158 g |
| Item Weight | 158.76 g |
| Item part number | ADPS-03-1-N |

## Images

![Dwyer® HVAC Differential Pressureess Switch, ADPS-03-1-N, 20 to 2.00" w.c., 1/2" NPT Connection - Image 1](https://m.media-amazon.com/images/I/41AQg1dXosL.jpg)

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**Shop now:** [https://www.desertcart.lk/products/569389913-dwyer-hvac-differential-pressureess-switch-adps-03-1-n-20](https://www.desertcart.lk/products/569389913-dwyer-hvac-differential-pressureess-switch-adps-03-1-n-20)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-03-04*