---
product_id: 537203017
title: "Air Pressure Switch 120-150 PSI Tank Mount Type Thread 1/4\" NPT 12V 24V DC Air Compressor Pressure Switch for Air Train Horn 120-150 1/4 inch"
brand: "llnseauto"
price: "$U997"
currency: UYU
in_stock: true
reviews_count: 9
category: "Llnseauto"
url: https://www.desertcart.uy/products/537203017-air-pressure-switch-120-150-psi-tank-mount-type-thread
store_origin: UY
region: Uruguay
---

# Supports 12V & 24V DC power 1/4-18 NPT threaded tank mount 120-150 PSI precision control Air Pressure Switch 120-150 PSI Tank Mount Type Thread 1/4" NPT 12V 24V DC Air Compressor Pressure Switch for Air Train Horn 120-150 1/4 inch

**Brand:** llnseauto
**Price:** $U997
**Availability:** ✅ In Stock

## Summary

> ⚡ Elevate your air system with precision power control!

## Quick Answers

- **What is this?** Air Pressure Switch 120-150 PSI Tank Mount Type Thread 1/4" NPT 12V 24V DC Air Compressor Pressure Switch for Air Train Horn 120-150 1/4 inch by llnseauto
- **How much does it cost?** $U997 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/537203017-air-pressure-switch-120-150-psi-tank-mount-type-thread)

## Best For

- llnseauto enthusiasts

## Why This Product

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

## Key Features

- • **High Current Capacity:** Supports up to 20 Amps, handling demanding compressor loads with ease and reliability.
- • **Robust Threaded Mount:** Secure 1/4-18 NPT male thread ensures a leak-proof, tank-mounted installation every time.
- • **Durable & Safe Operation:** IP54 rated protection and stainless steel contacts guarantee longevity and safe automatic pressure regulation.
- • **Precision Pressure Control:** Automatically activates at 120 PSI and shuts off at 150 PSI ±5% for optimal compressor performance.
- • **Universal Voltage Compatibility:** Seamlessly works with 12V and 24V DC systems, perfect for versatile air horn and compressor setups.

## Overview

The LLNSEAUTO Air Pressure Switch is a rugged, tank-mounted device designed to maintain optimal air compressor pressure between 120 and 150 PSI. Compatible with 12V and 24V DC systems, it features a secure 1/4-18 NPT threaded connection and supports up to 20 Amps, ensuring reliable, automatic compressor activation and shutdown. Ideal for air horns, train horns, and various compressor applications, it combines durability with precise pressure regulation for professional-grade performance.

## Description

air compressor switch, or pressure switch, is a key component of an air compressor system that regulates the compressor motor's operation based on pressure levels in the air tank. It helps maintain the desired pressure levels, ensures safe operation, and contributes to the efficiency of the compressor system.

Review: Good product - Bought it for a compressor I made. Working great
Review: Works great - Fixed my leak issue that started shortly after purchasing my kobalt compressor and works as it’s supposed to.

## Features

- Size: | 1/4-18 NPT Male Thread | Tank Mount Type |
- Package Included: | 1 X Horn Compressor Air Pressure Switch |
- Working Condition: | AC 110V / 120V / 240V or DC 12V / 24V (Maximum Current Supported: 20Amp) | Turn On Air Compressor @ 120 PSI ; Turn Off Air Compressor @ 150 PSI (Tolerance: +/- 5%) |
- Versatile Use: | Fits 12V or 24V Applications; | Ideal for Air Horns, Train Horns, Air Compressors, Oil Tank Pressure Switches etc. |

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BC8YBGH2 |
| Actuator Type | Pressure |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #21,419 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #39 in Air-Compressor Accessories |
| Brand | LLNSEAUTO |
| Circuit Type | 1-way |
| Color | 120-150 PSI |
| Connectivity Protocol | X-10 |
| Connector Type | Screw |
| Contact Material | Stainless Steel |
| Contact Type | Normally Open |
| Control Method | Touch |
| Current Rating | 20 Amps |
| Customer Reviews | 4.4 4.4 out of 5 stars (394) |
| Date First Available | August 29, 2022 |
| Included Components | One Air Pressure Switch |
| International Protection Rating | IP54 |
| Item Package Quantity | 1 |
| Item Weight | 1.76 ounces |
| Item model number | Z004-120-150 |
| Manufacturer | LLNSEAUTO |
| Number of Items | 1 |
| Number of Positions | 1 |
| Operating Voltage | 110 Volts |
| Operation Mode | automatic |
| Package Dimensions | 6.1 x 4.65 x 1.02 inches |
| Part Number | Z004-120-150 |
| Size | 1 Pack |
| Terminal | Threaded |
| Unit Count | 1.0 Count |
| Voltage | 12 Volts |
| Warranty Description | 1 year warranty |

## Product Details

- **Brand:** LLNSEAUTO
- **Circuit Type:** 1-way
- **Connector Type:** Screw
- **Contact Type:** Normally Open
- **Current Rating:** 20 Amps
- **Material:** Metal
- **Operating Voltage:** 110 Volts
- **Operation Mode:** automatic
- **Switch Type:** Pressure Switch
- **Terminal:** Threaded

## Images

![Air Pressure Switch 120-150 PSI Tank Mount Type Thread 1/4" NPT 12V 24V DC Air Compressor Pressure Switch for Air Train Horn 120-150 1/4 inch - Image 1](https://m.media-amazon.com/images/I/51j9t7Cyr0L.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: Does the compressor stop in 150psi?**
A: Yes. on 120psi, off 150psi

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good product
*by P***S on December 12, 2025*

Bought it for a compressor I made. Working great

### ⭐⭐⭐⭐⭐ Works great
*by K***N on December 7, 2025*

Fixed my leak issue that started shortly after purchasing my kobalt compressor and works as it’s supposed to.

### ⭐⭐⭐⭐⭐ Fits Lowes 20gal compressor
*by M***W on December 9, 2025*

Fits Lowes 20gal shop compressor. 2ea in the bag.

## Frequently Bought Together

- Air Pressure Switch 120-150 PSI Tank Mount Type Thread 1/4" NPT 12V 24V DC Air Compressor Pressure Switch for Air Train Horn 120-150 1/4 inch
- mankk Air Pressure Switch 90-120 PSI Thread 1/4" NPT 24V 12V DC Air Compressor Pressure Switch for Air Horn Train 90-120-1/4" NPT-BK
- Hromee Air Line Tubing Kit, 1/4 Inch (6.35MM) OD x 32.8 Feet Polyurethane PU Tube and Push to Connect Fittings, 14 PCS Compressed Pipe and Accessories Kit

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-02-11*