---
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: "$88183"
currency: COP
in_stock: true
reviews_count: 9
category: "Llnseauto"
url: https://www.desertcart.co/products/537203017-air-pressure-switch-120-150-psi-tank-mount-type-thread
store_origin: CO
region: Colombia
---

# 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:** $88183
**Availability:** ✅ In Stock

## Summary

> ⚡ Keep your air system sharp and pressure-perfect — never miss a beat!

## 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?** $88183 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/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.
- • **IP54 Rated Durability:** Built to withstand dust and water splashes, ensuring long-lasting performance in tough environments.
- • **Robust Threaded Mount:** Durable 1/4-18 NPT male thread ensures secure, leak-free installation on your air tank.
- • **Universal Compatibility:** Seamlessly fits 12V and 24V air compressors, air horns, and oil tank systems for versatile use.
- • **Precision Pressure Control:** Automatically activates at 120 PSI and shuts off at 150 PSI ±5% for optimal compressor efficiency.

## Overview

The LLNSEAUTO Air Pressure Switch is a precision-engineered component designed to regulate air compressor pressure between 120 and 150 PSI. Featuring a secure 1/4-18 NPT threaded tank mount and compatibility with 12V and 24V DC systems, it supports up to 20 Amps for reliable operation. Its IP54 rating ensures durability against dust and water, making it ideal for air horns, compressors, and oil tank pressure regulation. Backed by a 1-year warranty and highly rated by users, this switch guarantees efficient, safe, and consistent compressor 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: Exact replacement - Works as it should. The old switch had a very slow leak preventing the compressor from holding pressure. It fit perfectly and the compressor is back to work.
Review: Good product - Bought it for a compressor I made. Working great

## 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 | #16,502 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #20 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 (409) |
| 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

### ⭐⭐⭐⭐⭐ Exact replacement
*by D***O on February 18, 2026*

Works as it should. The old switch had a very slow leak preventing the compressor from holding pressure. It fit perfectly and the compressor is back to work.

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

Bought it for a compressor I made. Working great

### ⭐⭐⭐⭐ Works but pressure is off
*by A***C on February 21, 2026*

They worked but the kick off pressure is off by 8 or so pounds.

## 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 Colombia*
*Store origin: CO*
*Last updated: 2026-03-06*