---
product_id: 331049095
title: "Gas Air Compressor Unloader Check Valve Combo 145 - 175 PSI 3/4\" Inlet & Outlet"
brand: "ei"
price: "₨7967"
currency: SCR
in_stock: true
url: https://www.desertcart.sc/products/331049095-gas-air-compressor-unloader-check-valve-combo-145-175-psi
store_origin: SC
region: Seychelles
---

# ETL Certified 3/4" Inlet & Outlet 145-175 PSI Range Gas Air Compressor Unloader Check Valve Combo 145 - 175 PSI 3/4" Inlet & Outlet

**Brand:** ei
**Price:** ₨7967
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate Your Air Game with Precision Control!

## Quick Answers

- **What is this?** Gas Air Compressor Unloader Check Valve Combo 145 - 175 PSI 3/4" Inlet & Outlet by ei
- **How much does it cost?** ₨7967 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/331049095-gas-air-compressor-unloader-check-valve-combo-145-175-psi)

## Best For

- ei enthusiasts

## Why This Product

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

## Key Features

- • **All-in-One Design:** Combines pilot valve, pressure discharge valve, and check valve for ultimate efficiency.
- • **Compact & Lightweight:** Weighs only 713g, making it easy to handle and install.
- • **Effortless Installation:** Seamlessly integrates with 3/4" copper tubing.
- • **Precision Pressure Control:** Factory set at 145 PSI cut-in and 175 PSI cut-out, adjustable by 30-40 PSI.
- • **Durable Copper Construction:** Built to last with high-quality materials for reliable performance.

## Overview

The EI Gas Air Compressor Unloader Check Valve Combo is a versatile and efficient solution for air compressor systems, featuring a 3/4" inlet and outlet, adjustable pressure settings, and a durable copper construction. This all-in-one valve ensures optimal performance and reliability, making it a must-have for any professional setup.

## Description

Gas Air Compressor Unloader Check Valve Combo 145 - 175 PSI 3/4" Inlet & Outlet

## Features

- Brand new continuous run air compressor piloted discharge check valve.
- his valve features a 3/4" Compression inlet x 3/4" NPT Male thread outlet.
- This is a combination valve that includes a pilot valve, pressure discharge valve, and a check valve all in one piece.
- -3/4" NPT Male Pipe Thread Outlet To Tank -3/4" Compression Thread Inlet For 3/4" Copper Tubing -1/8" NPT Female Pipe Thread Port For Throttle Control
- -Factory Set At 145 Psi Cut In & 175 Psi Cut Out Pressure -Pressure Can Be Adjusted 30-40 Psi Up or Down

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Conrador |
| Part Number | NG-40-M-145-175 |
| Package Dimensions | 12 x 11.1 x 5.7 cm; 713 g |
| Item model number | NG-40-M-145-175 |
| Material | Copper |
| Power Source | Corded Electric |
| Certification | ETL |
| Included Components | Electric motor |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 713 g |

## Product Details

- **Material:** Machined Brass
- **Brand:** Ei
- **Exterior Finish:** Brass
- **Inlet Connection Size:** 0.75 Inches
- **Inlet Connection Type:** Compression
- **Outlet Connection Type:** MNPT
- **Maximum Operating Pressure:** 175 Pound per Square Inch
- **Number of Ports:** 3
- **Outlet Connection Size:** 0.75 Inches
- **Valve Type:** Piloted Discharge Check Valve with Unloader Valve

## Images

![Gas Air Compressor Unloader Check Valve Combo 145 - 175 PSI 3/4" Inlet & Outlet - Image 1](https://m.media-amazon.com/images/I/71DM+ugFYuL.jpg)
![Gas Air Compressor Unloader Check Valve Combo 145 - 175 PSI 3/4" Inlet & Outlet - Image 2](https://m.media-amazon.com/images/I/71-yBG84kBL.jpg)
![Gas Air Compressor Unloader Check Valve Combo 145 - 175 PSI 3/4" Inlet & Outlet - Image 3](https://m.media-amazon.com/images/I/81SU04yFAOL.jpg)
![Gas Air Compressor Unloader Check Valve Combo 145 - 175 PSI 3/4" Inlet & Outlet - Image 4](https://m.media-amazon.com/images/I/711DFceWhBL.jpg)

## Frequently Bought Together

- Gas Air Compressor Unloader Check Valve Combo 145-175 PSI 3/4" Inlet & Outlet
- New Throttle Control Cable BullWhip for Gas Powered Compressor 24
- Throttle Control for Honda gas engine compressor 5.5-6.5 HP TCSP-H-5565

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**Shop now:** [https://www.desertcart.sc/products/331049095-gas-air-compressor-unloader-check-valve-combo-145-175-psi](https://www.desertcart.sc/products/331049095-gas-air-compressor-unloader-check-valve-combo-145-175-psi)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-02-12*