---
product_id: 115469626
title: "New Pilot Unloader Valve for Air Compressor 1/4\" FPT - 140-175 PSI"
brand: "conrader"
price: "€ 33.44"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/115469626-new-pilot-unloader-valve-for-air-compressor-1-4-fpt
store_origin: IE
region: Ireland
---

# Compact 1/4" FNPT bottom inlet threads Precise 145-175 PSI pressure range Durable brass & stainless steel build New Pilot Unloader Valve for Air Compressor 1/4" FPT - 140-175 PSI

**Brand:** conrader
**Price:** € 33.44
**Availability:** ✅ In Stock

## Summary

> ⚡ Unlock peak compressor efficiency with precision control!

## Quick Answers

- **What is this?** New Pilot Unloader Valve for Air Compressor 1/4" FPT - 140-175 PSI by conrader
- **How much does it cost?** € 33.44 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/115469626-new-pilot-unloader-valve-for-air-compressor-1-4-fpt)

## Best For

- conrader enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Premium brass and stainless steel construction ensures long-lasting, corrosion-resistant performance.
- • **Space-Savvy Design:** 1/4" female threads on bottom save valuable compressor space in tight setups.
- • **Dual-Port Versatility:** Equipped with 1/4" and 1/8" FNPT ports for flexible air hookups and device actuation.
- • **Manual Override Ready:** Top-mounted manual unloader lever gives you instant control when you need it.
- • **Pressure-Perfect Control:** Operates seamlessly within a 145-175 PSI range for consistent compressor cycling.

## Overview

The New Pilot Unloader Valve (P-25H) is a compact, brass and stainless steel valve designed for air compressors. Featuring 1/4" female NPT bottom inlet threads and a preset operating pressure range of 145-175 PSI, it efficiently controls compressor cycling by actuating throttle controls or discharge valves. Its dual-port design and manual unloader lever provide versatile, reliable performance in tight spaces.

## Description

New Pilot Unloader Valve for Air Compressor 1/4" FPT - 140-175 PSI

## Features

- Air compressor unloader control pilot valve for Air Compressor with 1/4" female threads on the bottom so it doesn't take up so much room in cramped spaces.
- The valve is used to operate a compressed air system at a constant run with a preset pressure operating range to actuate throttle controls, intake unloaders or air actuated discharge valves.
- The valves preset operating range is 145-175 PSI, it has 1/4" female NPT threads that would be used for air hook-up or screwed on to the compressor tank and has 1/8" female NPT threads on the side of the valve.
- Air inlet threads: 1/4" female NPT which measures about 1/2" in diameter with a ruler.
- Also equipped with manual unloader / control lever which is located at the top of the valve.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Brass, Stainless Steel |
| Brand | conrader |
| Item dimensions L x W x H | 3.5 x 1 x 1.25 inches |
| Exterior Finish | Brass, Stainless Steel |
| Inlet Connection Size | 0.25 Inches |
| Inlet Connection Type | National Pipe Tapered |
| Outlet Connection Type | FNPT |
| Maximum Operating Pressure | 2E+2 Pound per Square Inch |
| Number of Ports | 2 |
| Outlet Connection Size | 0.13 Inches |
| Valve Type | pilot valve |
| Manufacturer | CDI/STEUBY/CONRADER |
| Part Number | P-25H |
| Item Weight | 7 ounces |
| Product Dimensions | 3.5 x 1 x 1.25 inches |
| Item model number | P-25H |
| Size | Medium |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** Brass, Stainless Steel
- **Brand:** conrader
- **Item dimensions L x W x H:** 3.5 x 1 x 1.25 inches
- **Exterior Finish:** Brass, Stainless Steel
- **Inlet Connection Size:** 0.25 Inches
- **Inlet Connection Type:** National Pipe Tapered
- **Outlet Connection Type:** FNPT
- **Maximum Operating Pressure:** 2E+2 Pound per Square Inch
- **Number of Ports:** 2
- **Outlet Connection Size:** 0.13 Inches

## Images

![New Pilot Unloader Valve for Air Compressor 1/4" FPT - 140-175 PSI - Image 1](https://m.media-amazon.com/images/I/51xZNa-ObGL.jpg)

## Frequently Bought Together

- New Pilot Unloader Valve for Air Compressor 1/4" FPT - 140-175 PSI
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**Shop now:** [https://www.desertcart.ie/products/115469626-new-pilot-unloader-valve-for-air-compressor-1-4-fpt](https://www.desertcart.ie/products/115469626-new-pilot-unloader-valve-for-air-compressor-1-4-fpt)

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-09*